diff --git a/frontend/bun.lock b/frontend/bun.lock
index affc1b2..7ab3989 100644
--- a/frontend/bun.lock
+++ b/frontend/bun.lock
@@ -5,6 +5,8 @@
     "": {
       "name": "frontend",
       "dependencies": {
+        "@radix-ui/react-dialog": "^1.1.15",
+        "@radix-ui/react-dropdown-menu": "^2.1.16",
         "@radix-ui/react-label": "^2.1.7",
         "@radix-ui/react-select": "^2.2.6",
         "@radix-ui/react-separator": "^1.1.8",
@@ -216,10 +218,14 @@
 
     "@radix-ui/react-context": ["@radix-ui/react-context@1.1.2", "", { "peerDependencies": { "@types/react": "*", "react": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc" } }, ""],
 
+    "@radix-ui/react-dialog": ["@radix-ui/react-dialog@1.1.15", "", { "dependencies": { "@radix-ui/primitive": "1.1.3", "@radix-ui/react-compose-refs": "1.1.2", "@radix-ui/react-context": "1.1.2", "@radix-ui/react-dismissable-layer": "1.1.11", "@radix-ui/react-focus-guards": "1.1.3", "@radix-ui/react-focus-scope": "1.1.7", "@radix-ui/react-id": "1.1.1", "@radix-ui/react-portal": "1.1.9", "@radix-ui/react-presence": "1.1.5", "@radix-ui/react-primitive": "2.1.3", "@radix-ui/react-slot": "1.2.3", "@radix-ui/react-use-controllable-state": "1.2.2", "aria-hidden": "^1.2.4", "react-remove-scroll": "^2.6.3" }, "peerDependencies": { "@types/react": "*", "@types/react-dom": "*", "react": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc", "react-dom": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc" }, "optionalPeers": ["@types/react", "@types/react-dom"] }, "sha512-TCglVRtzlffRNxRMEyR36DGBLJpeusFcgMVD9PZEzAKnUs1lKCgX5u9BmC2Yg+LL9MgZDugFFs1Vl+Jp4t/PGw=="],
+
     "@radix-ui/react-direction": ["@radix-ui/react-direction@1.1.1", "", { "peerDependencies": { "@types/react": "*", "react": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc" } }, ""],
 
     "@radix-ui/react-dismissable-layer": ["@radix-ui/react-dismissable-layer@1.1.11", "", { "dependencies": { "@radix-ui/primitive": "1.1.3", "@radix-ui/react-compose-refs": "1.1.2", "@radix-ui/react-primitive": "2.1.3", "@radix-ui/react-use-callback-ref": "1.1.1", "@radix-ui/react-use-escape-keydown": "1.1.1" }, "peerDependencies": { "@types/react": "*", "@types/react-dom": "*", "react": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc", "react-dom": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc" } }, ""],
 
+    "@radix-ui/react-dropdown-menu": ["@radix-ui/react-dropdown-menu@2.1.16", "", { "dependencies": { "@radix-ui/primitive": "1.1.3", "@radix-ui/react-compose-refs": "1.1.2", "@radix-ui/react-context": "1.1.2", "@radix-ui/react-id": "1.1.1", "@radix-ui/react-menu": "2.1.16", "@radix-ui/react-primitive": "2.1.3", "@radix-ui/react-use-controllable-state": "1.2.2" }, "peerDependencies": { "@types/react": "*", "@types/react-dom": "*", "react": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc", "react-dom": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc" }, "optionalPeers": ["@types/react", "@types/react-dom"] }, "sha512-1PLGQEynI/3OX/ftV54COn+3Sud/Mn8vALg2rWnBLnRaGtJDduNW/22XjlGgPdpcIbiQxjKtb7BkcjP00nqfJw=="],
+
     "@radix-ui/react-focus-guards": ["@radix-ui/react-focus-guards@1.1.3", "", { "peerDependencies": { "@types/react": "*", "react": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc" } }, ""],
 
     "@radix-ui/react-focus-scope": ["@radix-ui/react-focus-scope@1.1.7", "", { "dependencies": { "@radix-ui/react-compose-refs": "1.1.2", "@radix-ui/react-primitive": "2.1.3", "@radix-ui/react-use-callback-ref": "1.1.1" }, "peerDependencies": { "@types/react": "*", "@types/react-dom": "*", "react": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc", "react-dom": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc" } }, ""],
@@ -228,6 +234,8 @@
 
     "@radix-ui/react-label": ["@radix-ui/react-label@2.1.7", "", { "dependencies": { "@radix-ui/react-primitive": "2.1.3" }, "peerDependencies": { "@types/react": "*", "@types/react-dom": "*", "react": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc", "react-dom": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc" } }, ""],
 
+    "@radix-ui/react-menu": ["@radix-ui/react-menu@2.1.16", "", { "dependencies": { "@radix-ui/primitive": "1.1.3", "@radix-ui/react-collection": "1.1.7", "@radix-ui/react-compose-refs": "1.1.2", "@radix-ui/react-context": "1.1.2", "@radix-ui/react-direction": "1.1.1", "@radix-ui/react-dismissable-layer": "1.1.11", "@radix-ui/react-focus-guards": "1.1.3", "@radix-ui/react-focus-scope": "1.1.7", "@radix-ui/react-id": "1.1.1", "@radix-ui/react-popper": "1.2.8", "@radix-ui/react-portal": "1.1.9", "@radix-ui/react-presence": "1.1.5", "@radix-ui/react-primitive": "2.1.3", "@radix-ui/react-roving-focus": "1.1.11", "@radix-ui/react-slot": "1.2.3", "@radix-ui/react-use-callback-ref": "1.1.1", "aria-hidden": "^1.2.4", "react-remove-scroll": "^2.6.3" }, "peerDependencies": { "@types/react": "*", "@types/react-dom": "*", "react": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc", "react-dom": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc" }, "optionalPeers": ["@types/react", "@types/react-dom"] }, "sha512-72F2T+PLlphrqLcAotYPp0uJMr5SjP5SL01wfEspJbru5Zs5vQaSHb4VB3ZMJPimgHHCHG7gMOeOB9H3Hdmtxg=="],
+
     "@radix-ui/react-popper": ["@radix-ui/react-popper@1.2.8", "", { "dependencies": { "@floating-ui/react-dom": "^2.0.0", "@radix-ui/react-arrow": "1.1.7", "@radix-ui/react-compose-refs": "1.1.2", "@radix-ui/react-context": "1.1.2", "@radix-ui/react-primitive": "2.1.3", "@radix-ui/react-use-callback-ref": "1.1.1", "@radix-ui/react-use-layout-effect": "1.1.1", "@radix-ui/react-use-rect": "1.1.1", "@radix-ui/react-use-size": "1.1.1", "@radix-ui/rect": "1.1.1" }, "peerDependencies": { "@types/react": "*", "@types/react-dom": "*", "react": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc", "react-dom": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc" } }, ""],
 
     "@radix-ui/react-portal": ["@radix-ui/react-portal@1.1.9", "", { "dependencies": { "@radix-ui/react-primitive": "2.1.3", "@radix-ui/react-use-layout-effect": "1.1.1" }, "peerDependencies": { "@types/react": "*", "@types/react-dom": "*", "react": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc", "react-dom": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc" } }, ""],
diff --git a/frontend/package.json b/frontend/package.json
index a88914c..c59719f 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -14,6 +14,8 @@
     "ui:visual:update": "playwright test -c playwright.config.ts --update-snapshots"
   },
   "dependencies": {
+    "@radix-ui/react-dialog": "^1.1.15",
+    "@radix-ui/react-dropdown-menu": "^2.1.16",
     "@radix-ui/react-label": "^2.1.7",
     "@radix-ui/react-select": "^2.2.6",
     "@radix-ui/react-separator": "^1.1.8",
diff --git a/frontend/src/components/RepositoryConfigCell.tsx b/frontend/src/components/RepositoryConfigCell.tsx
new file mode 100644
index 0000000..67fac1a
--- /dev/null
+++ b/frontend/src/components/RepositoryConfigCell.tsx
@@ -0,0 +1,141 @@
+"use client"
+
+import { useState } from 'react';
+import { useMutation, useQueryClient } from '@tanstack/react-query';
+import { Loader2, Settings, FileText } from 'lucide-react';
+import { toast } from 'sonner';
+import { Button } from '@/components/ui/button';
+import { Textarea } from '@/components/ui/textarea';
+import {
+  Dialog,
+  DialogContent,
+  DialogDescription,
+  DialogFooter,
+  DialogHeader,
+  DialogTitle,
+} from '@/components/ui/dialog';
+import api from '@/lib/api';
+import type { Repository } from '@/services/repositoryService';
+
+interface RepositoryConfigCellProps {
+  repo: Repository;
+}
+
+export function RepositoryConfigCell({ repo }: RepositoryConfigCellProps) {
+  const queryClient = useQueryClient();
+  const [isPromptDialogOpen, setIsPromptDialogOpen] = useState(false);
+  const [draftPrompt, setDraftPrompt] = useState(repo.project_review_prompt ?? '');
+
+  const promptMutation = useMutation({
+    mutationFn: async (prompt: string) => {
+      const { data } = await api.put(`/repositories/${repo.name}/project-prompt`, {
+        project_review_prompt: prompt,
+      });
+      return data;
+    },
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: ['repositories'] });
+      setIsPromptDialogOpen(false);
+      toast.success(`已更新 ${repo.name} 的项目级提示词`);
+    },
+    onError: (error: Error) => {
+      toast.error(`更新失败: ${error.message}`);
+    },
+  });
+
+  const handleSavePrompt = () => {
+    promptMutation.mutate(draftPrompt.trim());
+  };
+
+  const handleOpenDialog = () => {
+    setDraftPrompt(repo.project_review_prompt ?? '');
+    setIsPromptDialogOpen(true);
+  };
+
+  const hasPrompt = !!repo.project_review_prompt?.trim();
+
+  return (
+    <>
+      <Button
+        variant={hasPrompt ? "outline" : "ghost"}
+        size="sm"
+        className={`h-8 gap-1.5 text-xs ${
+          hasPrompt 
+            ? "border-primary/50 text-primary hover:bg-primary/10" 
+            : "text-muted-foreground hover:text-foreground"
+        }`}
+        onClick={handleOpenDialog}
+      >
+        <Settings className="h-3.5 w-3.5" />
+        <span className="hidden sm:inline">{hasPrompt ? '已配置' : '配置'}</span>
+        {hasPrompt && <span className="ml-1 h-1.5 w-1.5 rounded-full bg-primary" />}
+      </Button>
+
+      <Dialog open={isPromptDialogOpen} onOpenChange={setIsPromptDialogOpen}>
+        <DialogContent className="sm:max-w-[525px]">
+          <DialogHeader>
+            <DialogTitle>配置项目级提示词</DialogTitle>
+            <DialogDescription>
+              为仓库 <code className="rounded bg-muted px-1 py-0.5 text-xs">{repo.name}</code> 设置审查提示词
+            </DialogDescription>
+          </DialogHeader>
+
+          <div className="space-y-4 py-2">
+            {hasPrompt && (
+              <div className="rounded-lg bg-muted/50 border border-border/50 p-3">
+                <div className="flex items-center gap-2 mb-2">
+                  <FileText className="h-3.5 w-3.5 text-muted-foreground" />
+                  <span className="text-xs font-medium text-muted-foreground">当前配置</span>
+                </div>
+                <p className="text-sm text-foreground leading-relaxed whitespace-pre-wrap break-all max-h-[80px] overflow-y-auto">
+                  {repo.project_review_prompt}
+                </p>
+              </div>
+            )}
+
+            <div className="space-y-2">
+              <label className="text-sm font-medium">提示词内容</label>
+              <Textarea
+                value={draftPrompt}
+                onChange={(e) => setDraftPrompt(e.target.value)}
+                placeholder="输入项目级审查提示词，例如：重点关注 API 安全性、空值处理和错误边界..."
+                className="min-h-[120px] resize-none text-sm leading-relaxed focus-visible:ring-1 focus-visible:ring-primary/50"
+                disabled={promptMutation.isPending}
+              />
+              <p className="text-xs text-muted-foreground">
+                此提示词将在代码审查时与全局提示词合并，传递给 AI 模型。
+                {hasPrompt && ' 留空保存将清除当前配置。'}
+              </p>
+            </div>
+          </div>
+
+          <DialogFooter>
+            <Button
+              variant="outline"
+              onClick={() => setIsPromptDialogOpen(false)}
+              disabled={promptMutation.isPending}
+            >
+              取消
+            </Button>
+            <Button
+              onClick={handleSavePrompt}
+              disabled={
+                promptMutation.isPending ||
+                draftPrompt.trim() === (repo.project_review_prompt ?? '').trim()
+              }
+            >
+              {promptMutation.isPending ? (
+                <>
+                  <Loader2 className="mr-2 h-4 w-4 animate-spin" />
+                  保存中
+                </>
+              ) : (
+                '保存'
+              )}
+            </Button>
+          </DialogFooter>
+        </DialogContent>
+      </Dialog>
+    </>
+  );
+}
diff --git a/frontend/src/components/RepositoryManager.tsx b/frontend/src/components/RepositoryManager.tsx
index 6768164..6a2a577 100644
--- a/frontend/src/components/RepositoryManager.tsx
+++ b/frontend/src/components/RepositoryManager.tsx
@@ -17,17 +17,17 @@ function DataTableSkeleton() {
       <Table>
         <TableHeader className="bg-muted/60 border-b border-border/50">
           <TableRow className="border-border/50">
-            <TableHead className="w-[40%]"><Skeleton className="h-5 w-24 bg-muted" /></TableHead>
-            <TableHead className="w-[30%]"><Skeleton className="h-5 w-24 bg-muted" /></TableHead>
-            <TableHead className="w-[30%] text-right"><Skeleton className="h-5 w-16 ml-auto bg-muted" /></TableHead>
+            <TableHead className="w-[50%]"><Skeleton className="h-5 w-24 bg-muted" /></TableHead>
+            <TableHead className="w-[25%]"><Skeleton className="h-5 w-16 bg-muted" /></TableHead>
+            <TableHead className="w-[25%] text-right"><Skeleton className="h-5 w-16 ml-auto bg-muted" /></TableHead>
           </TableRow>
         </TableHeader>
         <TableBody>
           {Array.from({ length: 10 }).map((_, i) => (
             <TableRow key={i} className="border-border/50">
               <TableCell><Skeleton className="h-5 w-3/4 bg-muted/70" /></TableCell>
-              <TableCell><Skeleton className="h-6 w-20 bg-muted/70 rounded-full" /></TableCell>
-              <TableCell className="text-right"><Skeleton className="h-8 w-16 ml-auto bg-muted/70" /></TableCell>
+              <TableCell><Skeleton className="h-5 w-20 bg-muted/70" /></TableCell>
+              <TableCell className="text-right"><Skeleton className="h-8 w-24 ml-auto bg-muted/70" /></TableCell>
             </TableRow>
           ))}
         </TableBody>
diff --git a/frontend/src/components/RepositoryTableColumns.tsx b/frontend/src/components/RepositoryTableColumns.tsx
index 108f2c8..c60b9f8 100644
--- a/frontend/src/components/RepositoryTableColumns.tsx
+++ b/frontend/src/components/RepositoryTableColumns.tsx
@@ -2,42 +2,34 @@
 
 import type { ColumnDef } from "@tanstack/react-table"
 import type { Repository } from "@/services/repositoryService"
-import { WebhookToggleButton } from "@/components/WebhookToggleButton"
+import { RepositoryConfigCell } from "@/components/RepositoryConfigCell"
+import { WebhookToggleCell } from "@/components/WebhookToggleCell"
 
 export const columns: ColumnDef<Repository>[] = [
   {
     accessorKey: "name",
     header: "仓库名称",
-    cell: ({ row }) => <div className="font-medium text-foreground text-sm">{row.getValue("name")}</div>,
+    cell: ({ row }) => (
+      <div className="font-medium text-foreground text-sm">
+        {row.getValue("name")}
+      </div>
+    ),
   },
   {
     accessorKey: "webhook_status",
-    header: "Webhook 状态",
+    header: "Webhook",
     cell: ({ row }) => {
-      const status = row.getValue("webhook_status") as Repository["webhook_status"]
-      const isActive = status === 'active'
-      return (
-        <div className={`inline-flex items-center gap-1.5 px-2.5 py-0.5 rounded-full text-xs font-semibold border ${isActive ? 'bg-success/10 text-success border-success/30' : 'bg-transparent text-muted-foreground border-border theme-border-soft'}`}>
-          {isActive && <span className="w-1.5 h-1.5 rounded-full bg-success animate-pulse theme-glow-success"></span>}
-          {isActive ? '已启用' : '未启用'}
-        </div>
-      )
+      const repo = row.original
+      return <WebhookToggleCell repo={repo} />
     },
   },
   {
     id: "actions",
-    header: () => <div className="text-right text-muted-foreground">操作</div>,
-    cell: ({ row }) => {
-      const repo = row.original
-      return (
-        <div className="text-right">
-          <WebhookToggleButton
-            repoName={repo.name}
-            status={repo.webhook_status}
-            hookId={repo.hook_id}
-          />
-        </div>
-      )
-    },
+    header: () => <div className="text-right text-muted-foreground text-xs">提示词</div>,
+    cell: ({ row }) => (
+      <div className="text-right">
+        <RepositoryConfigCell repo={row.original} />
+      </div>
+    ),
   },
 ]
diff --git a/frontend/src/components/WebhookToggleButton.tsx b/frontend/src/components/WebhookToggleButton.tsx
deleted file mode 100644
index 54ef190..0000000
--- a/frontend/src/components/WebhookToggleButton.tsx
+++ /dev/null
@@ -1,58 +0,0 @@
-import { useMutation, useQueryClient } from '@tanstack/react-query';
-import api from '@/lib/api';
-import { Loader2 } from 'lucide-react';
-import { Button } from '@/components/ui/button';
-import { toast } from "sonner";
-
-interface WebhookToggleButtonProps {
-  repoName: string;
-  status: 'active' | 'inactive';
-  hookId: number | null;
-}
-
-const createWebhook = (repoName: string) => api.post(`/repositories/${repoName}/webhook`);
-const deleteWebhook = ({ repoName, hookId }: { repoName: string; hookId: number }) => api.delete(`/repositories/${repoName}/webhook/${hookId}`);
-
-export function WebhookToggleButton({ repoName, status, hookId }: WebhookToggleButtonProps) {
-  const queryClient = useQueryClient();
-
-  const mutation = useMutation({
-    mutationFn: status === 'active'
-      ? () => deleteWebhook({ repoName, hookId: hookId! })
-      : () => createWebhook(repoName),
-    onSuccess: () => {
-      // 操作成功后，使仓库列表的查询失效，React Query会自动重新获取最新数据
-      queryClient.invalidateQueries({ queryKey: ['repositories'] });
-      toast.success(`Webhook for ${repoName} has been ${status === 'active' ? 'disabled' : 'enabled'}.`);
-    },
-    onError: (error) => {
-      console.error("操作失败:", error);
-      toast.error(`Operation failed: ${error.message}`);
-    },
-  });
-
-  return (
-    <Button
-      variant={status === 'active' ? 'outline' : 'default'}
-      size="sm"
-      className={
-        status === 'active'
-          ? "border-danger/50 bg-transparent text-danger hover:bg-danger/10 hover:text-danger transition-colors"
-          : "bg-primary text-primary-foreground hover:bg-primary/90 transition-all duration-300 tech-glow"
-      }
-      onClick={() => mutation.mutate()}
-      disabled={mutation.isPending}
-    >
-      {mutation.isPending ? (
-        <>
-          <Loader2 className="mr-2 h-3 w-3 animate-spin" />
-          <span className="font-mono text-xs">处理中...</span>
-        </>
-      ) : status === 'active' ? (
-        <span className="font-mono text-xs">停用</span>
-      ) : (
-        <span className="font-mono text-xs">启用</span>
-      )}
-    </Button>
-  );
-}
diff --git a/frontend/src/components/WebhookToggleCell.tsx b/frontend/src/components/WebhookToggleCell.tsx
new file mode 100644
index 0000000..34850cd
--- /dev/null
+++ b/frontend/src/components/WebhookToggleCell.tsx
@@ -0,0 +1,57 @@
+"use client"
+
+import { useMutation, useQueryClient } from '@tanstack/react-query';
+import { Loader2 } from 'lucide-react';
+import { toast } from 'sonner';
+import { Switch } from '@/components/ui/switch';
+import api from '@/lib/api';
+import type { Repository } from '@/services/repositoryService';
+
+interface WebhookToggleCellProps {
+  repo: Repository;
+}
+
+const createWebhook = (repoName: string) =>
+  api.post(`/repositories/${repoName}/webhook`);
+const deleteWebhook = ({ repoName, hookId }: { repoName: string; hookId: number }) =>
+  api.delete(`/repositories/${repoName}/webhook/${hookId}`);
+
+export function WebhookToggleCell({ repo }: WebhookToggleCellProps) {
+  const queryClient = useQueryClient();
+  const isActive = repo.webhook_status === 'active';
+
+  const webhookMutation = useMutation({
+    mutationFn: async () => {
+      if (isActive && repo.hook_id) {
+        return deleteWebhook({ repoName: repo.name, hookId: repo.hook_id });
+      }
+      return createWebhook(repo.name);
+    },
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: ['repositories'] });
+      const action = isActive ? '已禁用' : '已启用';
+      toast.success(`${repo.name} 的 Webhook ${action}`);
+    },
+    onError: (error: Error) => {
+      toast.error(`操作失败: ${error.message}`);
+    },
+  });
+
+  return (
+    <div className="flex items-center gap-2">
+      {webhookMutation.isPending ? (
+        <Loader2 className="h-4 w-4 animate-spin text-muted-foreground" />
+      ) : (
+        <Switch
+          checked={isActive}
+          onCheckedChange={() => webhookMutation.mutate()}
+          disabled={webhookMutation.isPending}
+          aria-label={isActive ? '禁用 Webhook' : '启用 Webhook'}
+        />
+      )}
+      <span className={`text-xs ${isActive ? 'text-success' : 'text-muted-foreground'}`}>
+        {isActive ? '已启用' : '未启用'}
+      </span>
+    </div>
+  );
+}
diff --git a/frontend/src/components/__tests__/RepositoryConfigCell.test.tsx b/frontend/src/components/__tests__/RepositoryConfigCell.test.tsx
new file mode 100644
index 0000000..f3ee834
--- /dev/null
+++ b/frontend/src/components/__tests__/RepositoryConfigCell.test.tsx
@@ -0,0 +1,77 @@
+import { QueryClient, QueryClientProvider } from '@tanstack/react-query';
+import { render, screen, waitFor } from '@testing-library/react';
+import userEvent from '@testing-library/user-event';
+import type { ReactNode } from 'react';
+import { beforeEach, describe, expect, it, vi } from 'vitest';
+import { RepositoryConfigCell } from '../RepositoryConfigCell';
+import type { Repository } from '@/services/repositoryService';
+
+const apiMocks = vi.hoisted(() => ({
+  put: vi.fn(),
+}));
+
+vi.mock('@/lib/api', () => ({
+  default: apiMocks,
+}));
+
+vi.mock('sonner', () => ({
+  toast: {
+    success: vi.fn(),
+    error: vi.fn(),
+  },
+}));
+
+function renderWithQuery(ui: ReactNode) {
+  const queryClient = new QueryClient({
+    defaultOptions: {
+      queries: { retry: false },
+      mutations: { retry: false },
+    },
+  });
+
+  return render(<QueryClientProvider client={queryClient}>{ui}</QueryClientProvider>);
+}
+
+function makeRepo(overrides: Partial<Repository> = {}): Repository {
+  return {
+    name: 'demo-owner/demo-repo',
+    webhook_status: 'inactive',
+    hook_id: null,
+    project_review_prompt: null,
+    ...overrides,
+  };
+}
+
+describe('RepositoryConfigCell', () => {
+  beforeEach(() => {
+    vi.clearAllMocks();
+  });
+
+  it('opens prompt dialog and saves project prompt', async () => {
+    apiMocks.put.mockResolvedValueOnce({
+      data: {
+        success: true,
+        project_review_prompt: 'focus null safety',
+      },
+    });
+
+    const user = userEvent.setup();
+    renderWithQuery(<RepositoryConfigCell repo={makeRepo()} />);
+
+    await user.click(screen.getByRole('button', { name: /配置/i }));
+    
+    expect(screen.getByRole('dialog')).toBeInTheDocument();
+    expect(screen.getByText('配置项目级提示词')).toBeInTheDocument();
+
+    const textarea = screen.getByRole('textbox');
+    await user.type(textarea, '  focus null safety  ');
+    await user.click(screen.getByRole('button', { name: '保存' }));
+
+    await waitFor(() => {
+      expect(apiMocks.put).toHaveBeenCalledWith(
+        '/repositories/demo-owner/demo-repo/project-prompt',
+        { project_review_prompt: 'focus null safety' }
+      );
+    });
+  });
+});
diff --git a/frontend/src/components/__tests__/WebhookToggleCell.test.tsx b/frontend/src/components/__tests__/WebhookToggleCell.test.tsx
new file mode 100644
index 0000000..c02aede
--- /dev/null
+++ b/frontend/src/components/__tests__/WebhookToggleCell.test.tsx
@@ -0,0 +1,84 @@
+import { QueryClient, QueryClientProvider } from '@tanstack/react-query';
+import { render, screen, waitFor } from '@testing-library/react';
+import userEvent from '@testing-library/user-event';
+import type { ReactNode } from 'react';
+import { beforeEach, describe, expect, it, vi } from 'vitest';
+import { WebhookToggleCell } from '../WebhookToggleCell';
+import type { Repository } from '@/services/repositoryService';
+
+const apiMocks = vi.hoisted(() => ({
+  post: vi.fn(),
+  delete: vi.fn(),
+}));
+
+vi.mock('@/lib/api', () => ({
+  default: apiMocks,
+}));
+
+vi.mock('sonner', () => ({
+  toast: {
+    success: vi.fn(),
+    error: vi.fn(),
+  },
+}));
+
+function renderWithQuery(ui: ReactNode) {
+  const queryClient = new QueryClient({
+    defaultOptions: {
+      queries: { retry: false },
+      mutations: { retry: false },
+    },
+  });
+
+  return render(<QueryClientProvider client={queryClient}>{ui}</QueryClientProvider>);
+}
+
+function makeRepo(overrides: Partial<Repository> = {}): Repository {
+  return {
+    name: 'demo-owner/demo-repo',
+    webhook_status: 'inactive',
+    hook_id: null,
+    project_review_prompt: null,
+    ...overrides,
+  };
+}
+
+describe('WebhookToggleCell', () => {
+  beforeEach(() => {
+    vi.clearAllMocks();
+  });
+
+  it('toggles webhook via switch to enable', async () => {
+    apiMocks.post.mockResolvedValueOnce({ data: { success: true } });
+
+    const user = userEvent.setup();
+    renderWithQuery(<WebhookToggleCell repo={makeRepo()} />);
+
+    const switchEl = screen.getByRole('switch');
+    expect(switchEl).toHaveAttribute('aria-checked', 'false');
+    expect(screen.getByText('未启用')).toBeInTheDocument();
+    
+    await user.click(switchEl);
+
+    await waitFor(() => {
+      expect(apiMocks.post).toHaveBeenCalledWith('/repositories/demo-owner/demo-repo/webhook');
+    });
+  });
+
+  it('toggles webhook via switch to disable', async () => {
+    apiMocks.delete.mockResolvedValueOnce({ data: { success: true } });
+
+    const user = userEvent.setup();
+    renderWithQuery(<WebhookToggleCell repo={makeRepo({ webhook_status: 'active', hook_id: 123 })} />);
+
+    const switchEl = screen.getByRole('switch');
+    expect(switchEl).toHaveAttribute('aria-checked', 'true');
+    expect(screen.getByText('已启用')).toBeInTheDocument();
+    
+    await user.click(switchEl);
+
+    await waitFor(() => {
+      expect(apiMocks.delete).toHaveBeenCalledWith('/repositories/demo-owner/demo-repo/webhook/123');
+    });
+  });
+});
diff --git a/frontend/src/components/ui/dialog.tsx b/frontend/src/components/ui/dialog.tsx
new file mode 100644
index 0000000..f39d4b6
--- /dev/null
+++ b/frontend/src/components/ui/dialog.tsx
@@ -0,0 +1,122 @@
+"use client"
+
+import * as React from "react"
+import * as DialogPrimitive from "@radix-ui/react-dialog"
+import { X } from "lucide-react"
+
+import { cn } from "@/lib/utils"
+
+const Dialog = DialogPrimitive.Root
+
+const DialogTrigger = DialogPrimitive.Trigger
+
+const DialogPortal = DialogPrimitive.Portal
+
+const DialogClose = DialogPrimitive.Close
+
+const DialogOverlay = React.forwardRef<
+  React.ElementRef<typeof DialogPrimitive.Overlay>,
+  React.ComponentPropsWithoutRef<typeof DialogPrimitive.Overlay>
+>(({ className, ...props }, ref) => (
+  <DialogPrimitive.Overlay
+    ref={ref}
+    className={cn(
+      "fixed inset-0 z-50 bg-black/50 data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0",
+      className
+    )}
+    {...props}
+  />
+))
+DialogOverlay.displayName = DialogPrimitive.Overlay.displayName
+
+const DialogContent = React.forwardRef<
+  React.ElementRef<typeof DialogPrimitive.Content>,
+  React.ComponentPropsWithoutRef<typeof DialogPrimitive.Content>
+>(({ className, children, ...props }, ref) => (
+  <DialogPortal>
+    <DialogOverlay />
+    <DialogPrimitive.Content
+      ref={ref}
+      className={cn(
+        "fixed left-[50%] top-[50%] z-50 grid w-full max-w-lg translate-x-[-50%] translate-y-[-50%] gap-4 border bg-background p-6 shadow-lg duration-200 data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[state=closed]:slide-out-to-left-1/2 data-[state=closed]:slide-out-to-top-[48%] data-[state=open]:slide-in-from-left-1/2 data-[state=open]:slide-in-from-top-[48%] rounded-lg",
+        className
+      )}
+      {...props}
+    >
+      {children}
+      <DialogPrimitive.Close className="absolute right-4 top-4 rounded-sm opacity-70 ring-offset-background transition-opacity hover:opacity-100 focus:outline-none focus:ring-2 focus:ring-ring focus:ring-offset-2 disabled:pointer-events-none data-[state=open]:bg-accent data-[state=open]:text-muted-foreground">
+        <X className="h-4 w-4" />
+        <span className="sr-only">Close</span>
+      </DialogPrimitive.Close>
+    </DialogPrimitive.Content>
+  </DialogPortal>
+))
+DialogContent.displayName = DialogPrimitive.Content.displayName
+
+const DialogHeader = ({
+  className,
+  ...props
+}: React.HTMLAttributes<HTMLDivElement>) => (
+  <div
+    className={cn(
+      "flex flex-col space-y-1.5 text-center sm:text-left",
+      className
+    )}
+    {...props}
+  />
+)
+DialogHeader.displayName = "DialogHeader"
+
+const DialogFooter = ({
+  className,
+  ...props
+}: React.HTMLAttributes<HTMLDivElement>) => (
+  <div
+    className={cn(
+      "flex flex-col-reverse sm:flex-row sm:justify-end sm:space-x-2",
+      className
+    )}
+    {...props}
+  />
+)
+DialogFooter.displayName = "DialogFooter"
+
+const DialogTitle = React.forwardRef<
+  React.ElementRef<typeof DialogPrimitive.Title>,
+  React.ComponentPropsWithoutRef<typeof DialogPrimitive.Title>
+>(({ className, ...props }, ref) => (
+  <DialogPrimitive.Title
+    ref={ref}
+    className={cn(
+      "text-lg font-semibold leading-none tracking-tight",
+      className
+    )}
+    {...props}
+  />
+))
+DialogTitle.displayName = DialogPrimitive.Title.displayName
+
+const DialogDescription = React.forwardRef<
+  React.ElementRef<typeof DialogPrimitive.Description>,
+  React.ComponentPropsWithoutRef<typeof DialogPrimitive.Description>
+>(({ className, ...props }, ref) => (
+  <DialogPrimitive.Description
+    ref={ref}
+    className={cn("text-sm text-muted-foreground", className)}
+    {...props}
+  />
+))
+DialogDescription.displayName = DialogPrimitive.Description.displayName
+
+export {
+  Dialog,
+  DialogPortal,
+  DialogOverlay,
+  DialogClose,
+  DialogTrigger,
+  DialogContent,
+  DialogHeader,
+  DialogFooter,
+  DialogTitle,
+  DialogDescription,
+}
diff --git a/frontend/src/components/ui/dropdown-menu.tsx b/frontend/src/components/ui/dropdown-menu.tsx
new file mode 100644
index 0000000..f69a0d6
--- /dev/null
+++ b/frontend/src/components/ui/dropdown-menu.tsx
@@ -0,0 +1,200 @@
+"use client"
+
+import * as React from "react"
+import * as DropdownMenuPrimitive from "@radix-ui/react-dropdown-menu"
+import { Check, ChevronRight, Circle } from "lucide-react"
+
+import { cn } from "@/lib/utils"
+
+const DropdownMenu = DropdownMenuPrimitive.Root
+
+const DropdownMenuTrigger = DropdownMenuPrimitive.Trigger
+
+const DropdownMenuGroup = DropdownMenuPrimitive.Group
+
+const DropdownMenuPortal = DropdownMenuPrimitive.Portal
+
+const DropdownMenuSub = DropdownMenuPrimitive.Sub
+
+const DropdownMenuRadioGroup = DropdownMenuPrimitive.RadioGroup
+
+const DropdownMenuSubTrigger = React.forwardRef<
+  React.ElementRef<typeof DropdownMenuPrimitive.SubTrigger>,
+  React.ComponentPropsWithoutRef<typeof DropdownMenuPrimitive.SubTrigger> & {
+    inset?: boolean
+  }
+>(({ className, inset, children, ...props }, ref) => (
+  <DropdownMenuPrimitive.SubTrigger
+    ref={ref}
+    className={cn(
+      "flex cursor-default select-none items-center rounded-sm px-2 py-1.5 text-sm outline-none focus:bg-accent data-[state=open]:bg-accent",
+      inset && "pl-8",
+      className
+    )}
+    {...props}
+  >
+    {children}
+    <ChevronRight className="ml-auto h-4 w-4" />
+  </DropdownMenuPrimitive.SubTrigger>
+))
+DropdownMenuSubTrigger.displayName =
+  DropdownMenuPrimitive.SubTrigger.displayName
+
+const DropdownMenuSubContent = React.forwardRef<
+  React.ElementRef<typeof DropdownMenuPrimitive.SubContent>,
+  React.ComponentPropsWithoutRef<typeof DropdownMenuPrimitive.SubContent>
+>(({ className, ...props }, ref) => (
+  <DropdownMenuPrimitive.SubContent
+    ref={ref}
+    className={cn(
+      "z-50 min-w-[8rem] overflow-hidden rounded-md border bg-popover p-1 text-popover-foreground shadow-lg data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2",
+      className
+    )}
+    {...props}
+  />
+))
+DropdownMenuSubContent.displayName =
+  DropdownMenuPrimitive.SubContent.displayName
+
+const DropdownMenuContent = React.forwardRef<
+  React.ElementRef<typeof DropdownMenuPrimitive.Content>,
+  React.ComponentPropsWithoutRef<typeof DropdownMenuPrimitive.Content>
+>(({ className, sideOffset = 4, ...props }, ref) => (
+  <DropdownMenuPrimitive.Portal>
+    <DropdownMenuPrimitive.Content
+      ref={ref}
+      sideOffset={sideOffset}
+      className={cn(
+        "z-50 min-w-[8rem] overflow-hidden rounded-md border bg-popover p-1 text-popover-foreground shadow-md data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2",
+        className
+      )}
+      {...props}
+    />
+  </DropdownMenuPrimitive.Portal>
+))
+DropdownMenuContent.displayName = DropdownMenuPrimitive.Content.displayName
+
+const DropdownMenuItem = React.forwardRef<
+  React.ElementRef<typeof DropdownMenuPrimitive.Item>,
+  React.ComponentPropsWithoutRef<typeof DropdownMenuPrimitive.Item> & {
+    inset?: boolean
+  }
+>(({ className, inset, ...props }, ref) => (
+  <DropdownMenuPrimitive.Item
+    ref={ref}
+    className={cn(
+      "relative flex cursor-default select-none items-center rounded-sm px-2 py-1.5 text-sm outline-none transition-colors focus:bg-accent focus:text-accent-foreground data-[disabled]:pointer-events-none data-[disabled]:opacity-50",
+      inset && "pl-8",
+      className
+    )}
+    {...props}
+  />
+))
+DropdownMenuItem.displayName = DropdownMenuPrimitive.Item.displayName
+
+const DropdownMenuCheckboxItem = React.forwardRef<
+  React.ElementRef<typeof DropdownMenuPrimitive.CheckboxItem>,
+  React.ComponentPropsWithoutRef<typeof DropdownMenuPrimitive.CheckboxItem>
+>(({ className, children, checked, ...props }, ref) => (
+  <DropdownMenuPrimitive.CheckboxItem
+    ref={ref}
+    className={cn(
+      "relative flex cursor-default select-none items-center rounded-sm py-1.5 pl-8 pr-2 text-sm outline-none transition-colors focus:bg-accent focus:text-accent-foreground data-[disabled]:pointer-events-none data-[disabled]:opacity-50",
+      className
+    )}
+    checked={checked}
+    {...props}
+  >
+    <span className="absolute left-2 flex h-3.5 w-3.5 items-center justify-center">
+      <DropdownMenuPrimitive.ItemIndicator>
+        <Check className="h-4 w-4" />
+      </DropdownMenuPrimitive.ItemIndicator>
+    </span>
+    {children}
+  </DropdownMenuPrimitive.CheckboxItem>
+))
+DropdownMenuCheckboxItem.displayName =
+  DropdownMenuPrimitive.CheckboxItem.displayName
+
+const DropdownMenuRadioItem = React.forwardRef<
+  React.ElementRef<typeof DropdownMenuPrimitive.RadioItem>,
+  React.ComponentPropsWithoutRef<typeof DropdownMenuPrimitive.RadioItem>
+>(({ className, children, ...props }, ref) => (
+  <DropdownMenuPrimitive.RadioItem
+    ref={ref}
+    className={cn(
+      "relative flex cursor-default select-none items-center rounded-sm py-1.5 pl-8 pr-2 text-sm outline-none transition-colors focus:bg-accent focus:text-accent-foreground data-[disabled]:pointer-events-none data-[disabled]:opacity-50",
+      className
+    )}
+    {...props}
+  >
+    <span className="absolute left-2 flex h-3.5 w-3.5 items-center justify-center">
+      <DropdownMenuPrimitive.ItemIndicator>
+        <Circle className="h-2 w-2 fill-current" />
+      </DropdownMenuPrimitive.ItemIndicator>
+    </span>
+    {children}
+  </DropdownMenuPrimitive.RadioItem>
+))
+DropdownMenuRadioItem.displayName = DropdownMenuPrimitive.RadioItem.displayName
+
+const DropdownMenuLabel = React.forwardRef<
+  React.ElementRef<typeof DropdownMenuPrimitive.Label>,
+  React.ComponentPropsWithoutRef<typeof DropdownMenuPrimitive.Label> & {
+    inset?: boolean
+  }
+>(({ className, inset, ...props }, ref) => (
+  <DropdownMenuPrimitive.Label
+    ref={ref}
+    className={cn(
+      "px-2 py-1.5 text-sm font-semibold",
+      inset && "pl-8",
+      className
+    )}
+    {...props}
+  />
+))
+DropdownMenuLabel.displayName = DropdownMenuPrimitive.Label.displayName
+
+const DropdownMenuSeparator = React.forwardRef<
+  React.ElementRef<typeof DropdownMenuPrimitive.Separator>,
+  React.ComponentPropsWithoutRef<typeof DropdownMenuPrimitive.Separator>
+>(({ className, ...props }, ref) => (
+  <DropdownMenuPrimitive.Separator
+    ref={ref}
+    className={cn("-mx-1 my-1 h-px bg-muted", className)}
+    {...props}
+  />
+))
+DropdownMenuSeparator.displayName = DropdownMenuPrimitive.Separator.displayName
+
+const DropdownMenuShortcut = ({
+  className,
+  ...props
+}: React.HTMLAttributes<HTMLSpanElement>) => {
+  return (
+    <span
+      className={cn("ml-auto text-xs tracking-widest opacity-60", className)}
+      {...props}
+    />
+  )
+}
+DropdownMenuShortcut.displayName = "DropdownMenuShortcut"
+
+export {
+  DropdownMenu,
+  DropdownMenuTrigger,
+  DropdownMenuContent,
+  DropdownMenuItem,
+  DropdownMenuCheckboxItem,
+  DropdownMenuRadioItem,
+  DropdownMenuLabel,
+  DropdownMenuSeparator,
+  DropdownMenuShortcut,
+  DropdownMenuGroup,
+  DropdownMenuPortal,
+  DropdownMenuSub,
+  DropdownMenuSubContent,
+  DropdownMenuSubTrigger,
+  DropdownMenuRadioGroup,
+}
diff --git a/frontend/src/services/repositoryService.ts b/frontend/src/services/repositoryService.ts
index 3351839..905b729 100644
--- a/frontend/src/services/repositoryService.ts
+++ b/frontend/src/services/repositoryService.ts
@@ -4,6 +4,7 @@ export interface Repository {
   name: string;
   webhook_status: 'active' | 'inactive';
   hook_id: number | null;
+  project_review_prompt: string | null;
 }
 
 export interface PaginatedRepositories {
@@ -19,3 +20,13 @@ export const fetchRepositories = async (page: number = 1, query: string = ""): P
   });
   return data;
 };
+
+export const updateRepositoryProjectPrompt = async (
+  repoName: string,
+  projectReviewPrompt: string
+): Promise<{ success: boolean; project_review_prompt: string | null }> => {
+  const { data } = await api.put(`/repositories/${repoName}/project-prompt`, {
+    project_review_prompt: projectReviewPrompt,
+  });
+  return data;
+};
diff --git a/frontend/tests/visual/fixtures/mockApi.ts b/frontend/tests/visual/fixtures/mockApi.ts
index 8385c7e..b4b3326 100644
--- a/frontend/tests/visual/fixtures/mockApi.ts
+++ b/frontend/tests/visual/fixtures/mockApi.ts
@@ -2,8 +2,18 @@ import type { Page, Route } from '@playwright/test';
 
 const repositories = {
   data: [
-    { name: 'demo-repo-1', webhook_status: 'active', hook_id: 101 },
-    { name: 'demo-repo-2', webhook_status: 'inactive', hook_id: null },
+    {
+      name: 'demo-repo-1',
+      webhook_status: 'active',
+      hook_id: 101,
+      project_review_prompt: '重点检查 API 错误处理与鉴权边界。',
+    },
+    {
+      name: 'demo-repo-2',
+      webhook_status: 'inactive',
+      hook_id: null,
+      project_review_prompt: null,
+    },
   ],
   totalCount: 2,
   page: 1,
@@ -296,14 +306,27 @@ export async function installVisualApiMocks(page: Page) {
       return json(route, repositories);
     }
 
-    if (method === 'POST' && /\/admin\/api\/repositories\/[^/]+\/webhook$/.test(path)) {
+    if (method === 'POST' && /\/admin\/api\/repositories\/[^/]+(?:\/[^/]+)?\/webhook$/.test(path)) {
       return json(route, { hook_id: 101, webhook_status: 'active' });
     }
 
-    if (method === 'DELETE' && /\/admin\/api\/repositories\/[^/]+\/webhook\/\d+$/.test(path)) {
+    if (
+      method === 'DELETE' &&
+      /\/admin\/api\/repositories\/[^/]+(?:\/[^/]+)?\/webhook\/\d+$/.test(path)
+    ) {
       return route.fulfill({ status: 204, body: '' });
     }
 
+    if (
+      method === 'PUT' &&
+      /\/admin\/api\/repositories\/[^/]+(?:\/[^/]+)?\/project-prompt$/.test(path)
+    ) {
+      return json(route, {
+        success: true,
+        project_review_prompt: 'updated prompt',
+      });
+    }
+
     if (method === 'GET' && path.endsWith('/admin/api/config')) {
       return json(route, configResponse);
     }
diff --git a/src/controllers/__tests__/admin-repositories.test.ts b/src/controllers/__tests__/admin-repositories.test.ts
new file mode 100644
index 0000000..96fa5ed
--- /dev/null
+++ b/src/controllers/__tests__/admin-repositories.test.ts
@@ -0,0 +1,86 @@
+import { afterEach, beforeEach, describe, expect, test } from 'bun:test';
+import { Hono } from 'hono';
+import { repositoryReviewPromptRepo } from '../../db/repositories/repository-review-prompt-repo';
+import { giteaService } from '../../services/gitea';
+import { adminController } from '../admin';
+
+type RepoRecord = { full_name: string };
+type HookRecord = { id: number; config: { url: string } };
+
+function createTestApp(): Hono {
+  const app = new Hono();
+  app.route('/admin/api', adminController.protectedRoutes);
+  return app;
+}
+
+describe('admin repositories route', () => {
+  const originalListAllRepositories = giteaService.listAllRepositories;
+  const originalListWebhooks = giteaService.listWebhooks;
+  const originalListProjectPrompts = repositoryReviewPromptRepo.listProjectPrompts;
+
+  beforeEach(() => {
+    const repos: RepoRecord[] = [
+      { full_name: 'team/inactive-alpha' },
+      { full_name: 'team/active-beta' },
+      { full_name: 'team/inactive-gamma' },
+      { full_name: 'team/active-delta' },
+    ];
+
+    giteaService.listAllRepositories = async () => ({
+      repos,
+      totalCount: repos.length,
+    });
+
+    giteaService.listWebhooks = async (_owner: string, repo: string) => {
+      if (repo.startsWith('active-')) {
+        return [{ id: 101, config: { url: 'http://localhost/webhook/gitea' } }] as HookRecord[];
+      }
+      return [] as HookRecord[];
+    };
+
+    repositoryReviewPromptRepo.listProjectPrompts = () => ({
+      'team/active-beta': 'focus security',
+    });
+  });
+
+  afterEach(() => {
+    giteaService.listAllRepositories = originalListAllRepositories;
+    giteaService.listWebhooks = originalListWebhooks;
+    repositoryReviewPromptRepo.listProjectPrompts = originalListProjectPrompts;
+  });
+
+  test('returns active webhook repositories first', async () => {
+    const app = createTestApp();
+    const response = await app.request('http://localhost/admin/api/repositories?page=1');
+    const payload = (await response.json()) as {
+      data: Array<{
+        name: string;
+        webhook_status: 'active' | 'inactive';
+        hook_id: number | null;
+        project_review_prompt: string | null;
+      }>;
+      totalCount: number;
+      page: number;
+      limit: number;
+    };
+
+    expect(response.status).toBe(200);
+    expect(payload.totalCount).toBe(4);
+    expect(payload.page).toBe(1);
+    expect(payload.limit).toBe(30);
+    expect(payload.data.map((repo) => repo.name)).toEqual([
+      'team/active-beta',
+      'team/active-delta',
+      'team/inactive-alpha',
+      'team/inactive-gamma',
+    ]);
+    expect(payload.data.map((repo) => repo.webhook_status)).toEqual([
+      'active',
+      'active',
+      'inactive',
+      'inactive',
+    ]);
+    expect(payload.data[0]?.project_review_prompt).toBe('focus security');
+    expect(payload.data[1]?.project_review_prompt).toBeNull();
+  });
+});
diff --git a/src/controllers/admin.ts b/src/controllers/admin.ts
index d7c71b1..973fc46 100644
--- a/src/controllers/admin.ts
+++ b/src/controllers/admin.ts
@@ -1,6 +1,7 @@
 import { Hono } from 'hono';
 import { sign } from 'hono/jwt';
 import config from '../config';
+import { repositoryReviewPromptRepo } from '../db/repositories/repository-review-prompt-repo';
 import { reviewEngine } from '../review/engine';
 import { giteaService } from '../services/gitea';
 import { logger } from '../utils/logger';
@@ -37,6 +38,10 @@ protectedRoutes.get('/repositories', async (c) => {
 
     const { repos, totalCount } = await giteaService.listAllRepositories(page, limit, query);
     const webhookUrl = c.req.url.replace(/\/admin\/api\/repositories.*$/, '/webhook/gitea');
+    const fullNames = repos
+      .map((repo) => (typeof repo.full_name === 'string' ? repo.full_name : null))
+      .filter((name): name is string => name !== null);
+    const promptMap = repositoryReviewPromptRepo.listProjectPrompts(fullNames);
 
     const reposWithStatus = await Promise.all(
       repos.map(async (repo) => {
@@ -47,10 +52,18 @@ protectedRoutes.get('/repositories', async (c) => {
           name: repo.full_name,
           webhook_status: webhook ? 'active' : 'inactive',
           hook_id: webhook ? webhook.id : null,
+          project_review_prompt: promptMap[repo.full_name] || null,
         };
       })
     );
 
+    reposWithStatus.sort((a, b) => {
+      if (a.webhook_status === b.webhook_status) {
+        return 0;
+      }
+      return a.webhook_status === 'active' ? -1 : 1;
+    });
+
     return c.json({
       data: reposWithStatus,
       totalCount,
@@ -63,6 +76,29 @@ protectedRoutes.get('/repositories', async (c) => {
   }
 });
 
+protectedRoutes.put('/repositories/:owner/:repo/project-prompt', async (c) => {
+  const { owner, repo } = c.req.param();
+
+  try {
+    const body = (await c.req.json()) as { project_review_prompt?: unknown };
+    if (typeof body.project_review_prompt !== 'string') {
+      return c.json({ message: 'project_review_prompt must be a string' }, 400);
+    }
+
+    const normalizedPrompt = body.project_review_prompt.trim();
+    if (!normalizedPrompt) {
+      repositoryReviewPromptRepo.clearProjectPrompt(owner, repo);
+      return c.json({ success: true, project_review_prompt: null });
+    }
+
+    const updated = repositoryReviewPromptRepo.setProjectPrompt(owner, repo, normalizedPrompt);
+    return c.json({ success: true, project_review_prompt: updated.project_prompt });
+  } catch (error: any) {
+    logger.error(`更新 ${owner}/${repo} 的项目级审查提示词失败:`, error);
+    return c.json({ message: 'Failed to update project review prompt', error: error.message }, 500);
+  }
+});
+
 // 创建 Webhook
 protectedRoutes.post('/repositories/:owner/:repo/webhook', async (c) => {
   const { owner, repo } = c.req.param();
diff --git a/src/db/__tests__/repository-review-prompt-repo.test.ts b/src/db/__tests__/repository-review-prompt-repo.test.ts
new file mode 100644
index 0000000..cc82e38
--- /dev/null
+++ b/src/db/__tests__/repository-review-prompt-repo.test.ts
@@ -0,0 +1,67 @@
+import { afterEach, beforeEach, describe, expect, test } from 'bun:test';
+import { randomUUID } from 'node:crypto';
+import { existsSync, mkdirSync, unlinkSync } from 'node:fs';
+import { tmpdir } from 'node:os';
+import { join } from 'node:path';
+import { closeDatabase, initDatabase } from '../database';
+import { repositoryReviewPromptRepo } from '../repositories/repository-review-prompt-repo';
+
+describe('repository-review-prompt-repo', () => {
+  let dbPath: string;
+  const savedDbPath = process.env.DATABASE_PATH;
+
+  beforeEach(() => {
+    const tmpDir = join(tmpdir(), `db-test-${randomUUID()}`);
+    mkdirSync(tmpDir, { recursive: true });
+    dbPath = join(tmpDir, 'test.db');
+    process.env.DATABASE_PATH = dbPath;
+    initDatabase();
+  });
+
+  afterEach(() => {
+    closeDatabase();
+    if (savedDbPath === undefined) {
+      Reflect.deleteProperty(process.env, 'DATABASE_PATH');
+    } else {
+      process.env.DATABASE_PATH = savedDbPath;
+    }
+
+    if (existsSync(dbPath)) unlinkSync(dbPath);
+    if (existsSync(`${dbPath}-wal`)) unlinkSync(`${dbPath}-wal`);
+    if (existsSync(`${dbPath}-shm`)) unlinkSync(`${dbPath}-shm`);
+  });
+
+  test('sets and gets project prompt by owner/repo', () => {
+    repositoryReviewPromptRepo.setProjectPrompt('acme', 'assistant', 'focus on API correctness');
+
+    const prompt = repositoryReviewPromptRepo.getProjectPrompt('acme', 'assistant');
+    expect(prompt).toBe('focus on API correctness');
+  });
+
+  test('normalizes surrounding whitespace when setting prompt', () => {
+    repositoryReviewPromptRepo.setProjectPrompt('acme', 'assistant', '  use chinese output  ');
+
+    const row = repositoryReviewPromptRepo.getByFullName('acme/assistant');
+    expect(row?.project_prompt).toBe('use chinese output');
+  });
+
+  test('clears prompt for repository', () => {
+    repositoryReviewPromptRepo.setProjectPrompt('acme', 'assistant', 'focus on security');
+    const deleted = repositoryReviewPromptRepo.clearProjectPrompt('acme', 'assistant');
+
+    expect(deleted).toBe(true);
+    expect(repositoryReviewPromptRepo.getProjectPrompt('acme', 'assistant')).toBeUndefined();
+  });
+
+  test('lists prompt map for repository names', () => {
+    repositoryReviewPromptRepo.setProjectPrompt('acme', 'a', 'prompt-a');
+    repositoryReviewPromptRepo.setProjectPrompt('acme', 'b', 'prompt-b');
+
+    const map = repositoryReviewPromptRepo.listProjectPrompts(['acme/a', 'acme/b', 'acme/c']);
+
+    expect(map).toEqual({
+      'acme/a': 'prompt-a',
+      'acme/b': 'prompt-b',
+    });
+  });
+});
diff --git a/src/db/database.ts b/src/db/database.ts
index 07bba5c..2ad2fb4 100644
--- a/src/db/database.ts
+++ b/src/db/database.ts
@@ -11,6 +11,7 @@ import { dirname, resolve } from 'node:path';
 
 import { migration001Init } from './migrations/001_init';
 import { migration002RemoveLegacyReviewMode } from './migrations/002_remove_legacy_review_mode';
+import { migration003RepositoryReviewPrompts } from './migrations/003_repository_review_prompts';
 
 // ---------------------------------------------------------------------------
 // Types
@@ -26,7 +27,11 @@ export interface Migration {
 // Migration registry (ordered by version)
 // ---------------------------------------------------------------------------
 
-const MIGRATIONS: Migration[] = [migration001Init, migration002RemoveLegacyReviewMode];
+const MIGRATIONS: Migration[] = [
+  migration001Init,
+  migration002RemoveLegacyReviewMode,
+  migration003RepositoryReviewPrompts,
+];
 
 // ---------------------------------------------------------------------------
 // Database singleton
diff --git a/src/db/migrations/003_repository_review_prompts.ts b/src/db/migrations/003_repository_review_prompts.ts
new file mode 100644
index 0000000..9949b52
--- /dev/null
+++ b/src/db/migrations/003_repository_review_prompts.ts
@@ -0,0 +1,21 @@
+import type { Database } from 'bun:sqlite';
+import type { Migration } from '../database';
+
+export const migration003RepositoryReviewPrompts: Migration = {
+  version: 3,
+  name: 'add_repository_review_prompts',
+
+  up(db: Database): void {
+    db.exec(`
+      CREATE TABLE repository_review_prompts (
+        full_name      TEXT PRIMARY KEY,
+        project_prompt TEXT NOT NULL,
+        updated_at     TEXT NOT NULL DEFAULT (datetime('now'))
+      )
+    `);
+
+    db.exec(
+      'CREATE INDEX idx_repository_review_prompts_updated_at ON repository_review_prompts(updated_at)'
+    );
+  },
+};
diff --git a/src/db/repositories/repository-review-prompt-repo.ts b/src/db/repositories/repository-review-prompt-repo.ts
new file mode 100644
index 0000000..dcffa46
--- /dev/null
+++ b/src/db/repositories/repository-review-prompt-repo.ts
@@ -0,0 +1,94 @@
+import { getDatabase } from '../database';
+
+export interface RepositoryReviewPromptRow {
+  full_name: string;
+  project_prompt: string;
+  updated_at: string;
+}
+
+function toFullName(owner: string, repo: string): string {
+  return `${owner}/${repo}`;
+}
+
+export const repositoryReviewPromptRepo = {
+  getByFullName(fullName: string): RepositoryReviewPromptRow | null {
+    const db = getDatabase();
+    return (
+      (db
+        .query(
+          'SELECT full_name, project_prompt, updated_at FROM repository_review_prompts WHERE full_name = ?'
+        )
+        .get(fullName) as RepositoryReviewPromptRow | null) || null
+    );
+  },
+
+  getProjectPrompt(owner: string, repo: string): string | undefined {
+    const row = this.getByFullName(toFullName(owner, repo));
+    if (!row) return undefined;
+    const normalized = row.project_prompt.trim();
+    return normalized.length > 0 ? normalized : undefined;
+  },
+
+  upsertByFullName(fullName: string, projectPrompt: string): RepositoryReviewPromptRow {
+    const db = getDatabase();
+    const normalized = projectPrompt.trim();
+    if (!normalized) {
+      throw new Error('projectPrompt must be non-empty');
+    }
+
+    db.query(
+      `INSERT INTO repository_review_prompts (full_name, project_prompt, updated_at)
+       VALUES (?, ?, datetime('now'))
+       ON CONFLICT(full_name) DO UPDATE SET
+         project_prompt = excluded.project_prompt,
+         updated_at = datetime('now')`
+    ).run(fullName, normalized);
+
+    const row = this.getByFullName(fullName);
+    if (!row) {
+      throw new Error('Failed to load repository review prompt after upsert');
+    }
+    return row;
+  },
+
+  setProjectPrompt(owner: string, repo: string, projectPrompt: string): RepositoryReviewPromptRow {
+    return this.upsertByFullName(toFullName(owner, repo), projectPrompt);
+  },
+
+  deleteByFullName(fullName: string): boolean {
+    const db = getDatabase();
+    const result = db
+      .query('DELETE FROM repository_review_prompts WHERE full_name = ?')
+      .run(fullName);
+    return result.changes > 0;
+  },
+
+  clearProjectPrompt(owner: string, repo: string): boolean {
+    return this.deleteByFullName(toFullName(owner, repo));
+  },
+
+  listProjectPrompts(fullNames: string[]): Record<string, string> {
+    if (fullNames.length === 0) {
+      return {};
+    }
+
+    const db = getDatabase();
+    const placeholders = fullNames.map(() => '?').join(', ');
+    const rows = db
+      .query(
+        `SELECT full_name, project_prompt
+         FROM repository_review_prompts
+         WHERE full_name IN (${placeholders})`
+      )
+      .all(...fullNames) as Array<Pick<RepositoryReviewPromptRow, 'full_name' | 'project_prompt'>>;
+
+    const map: Record<string, string> = {};
+    for (const row of rows) {
+      const normalized = row.project_prompt.trim();
+      if (normalized) {
+        map[row.full_name] = normalized;
+      }
+    }
+    return map;
+  },
+};
diff --git a/src/review/__tests__/project-prompt-wiring.test.ts b/src/review/__tests__/project-prompt-wiring.test.ts
new file mode 100644
index 0000000..fa2f137
--- /dev/null
+++ b/src/review/__tests__/project-prompt-wiring.test.ts
@@ -0,0 +1,244 @@
+import { afterEach, beforeEach, describe, expect, mock, test } from 'bun:test';
+import type { DiffExtractor } from '../context/diff-extractor';
+import type { LocalRepoManager, LocalRepoPaths } from '../context/local-repo-manager';
+import type { FileReviewStore } from '../store/file-review-store';
+import type { Finding, ReviewContext, ReviewRun, ReviewTask } from '../types';
+
+function makeRun(overrides: Partial<ReviewRun> = {}): ReviewRun {
+  return {
+    id: 'run-project-prompt',
+    idempotencyKey: 'owner/repo#8:base...head',
+    eventType: 'pull_request',
+    status: 'in_progress',
+    owner: 'owner',
+    repo: 'repo',
+    cloneUrl: 'https://example.com/repo.git',
+    prNumber: 8,
+    baseSha: 'base-sha',
+    headSha: 'head-sha',
+    attempts: 1,
+    maxAttempts: 3,
+    createdAt: new Date().toISOString(),
+    updatedAt: new Date().toISOString(),
+    ...overrides,
+  };
+}
+
+function createStoreMock() {
+  return {
+    markRunIgnored: mock(async () => undefined),
+    addStep: mock(async () => undefined),
+    getRunDetails: mock(async () => ({ comments: [], findings: [] })),
+    addFindings: mock(async () => undefined),
+    markFindingPublished: mock(async () => true),
+    addCommentRecord: mock(async () => undefined),
+  };
+}
+
+function createLocalRepoManagerMock() {
+  const repoPaths: LocalRepoPaths = {
+    mirrorPath: '/tmp/mirror',
+    workspacePath: '/tmp/workspace',
+  };
+
+  return {
+    manager: {
+      prepareWorkspace: mock(async () => repoPaths),
+      resolveReviewedRef: mock(async () => null),
+      saveReviewedRef: mock(async () => undefined),
+      cleanupWorkspace: mock(async () => undefined),
+    },
+    repoPaths,
+  };
+}
+
+function createDiffExtractorMock() {
+  const context: ReviewContext = {
+    workspacePath: '/tmp/workspace',
+    mirrorPath: '/tmp/mirror',
+    diff: 'diff --git a/src/app.ts b/src/app.ts\n+const x = 1;',
+    changedFiles: [
+      {
+        path: 'src/app.ts',
+        status: 'M',
+        additions: 3,
+        deletions: 1,
+      },
+    ],
+    parsedDiff: [],
+    fileContents: {},
+  };
+
+  return {
+    context,
+    extractor: {
+      getSandbox: mock(() => ({
+        execute: async () => ({ stdout: '', stderr: '', exitCode: 0 }),
+      })),
+      buildContext: mock(async () => context),
+    },
+  };
+}
+
+describe('project prompt wiring', () => {
+  beforeEach(() => {
+    mock.restore();
+  });
+
+  afterEach(() => {
+    mock.restore();
+  });
+
+  test('orchestrator forwards resolved project prompt to triage and specialist execution options', async () => {
+    const projectPrompt = `repo-policy-${'P'.repeat(360)}`;
+
+    mock.module('../project-review-prompt', () => ({
+      resolveProjectReviewPrompt: () => projectPrompt,
+    }));
+
+    const { ReviewOrchestrator } = await import('../orchestrator');
+
+    const store = createStoreMock();
+    const { manager } = createLocalRepoManagerMock();
+    const { extractor } = createDiffExtractorMock();
+
+    const orchestrator = new ReviewOrchestrator(
+      store as unknown as FileReviewStore,
+      manager as unknown as LocalRepoManager,
+      extractor as unknown as DiffExtractor
+    );
+
+    type TriageResultLike = {
+      complexity: 'trivial' | 'standard' | 'complex';
+      reviewSize: 'small' | 'medium' | 'large';
+      mode: 'skip' | 'light' | 'full';
+      tasks: ReviewTask[];
+      riskTags: string[];
+      rationale: string;
+    };
+
+    type ReviewFinding = Array<Omit<Finding, 'id' | 'runId' | 'published'>>;
+
+    type InternalOrchestrator = {
+      triageAgent: {
+        analyze: (
+          context: ReviewContext,
+          options?: { projectPrompt?: string }
+        ) => Promise<TriageResultLike>;
+      };
+      agentMap: Record<
+        string,
+        {
+          reviewWithOptions: (
+            run: ReviewRun,
+            context: ReviewContext,
+            options: { projectPrompt?: string }
+          ) => Promise<{ findings: ReviewFinding }>;
+          reviewWithReflection: (
+            run: ReviewRun,
+            context: ReviewContext,
+            maxRounds?: number,
+            options?: { projectPrompt?: string }
+          ) => Promise<{ findings: ReviewFinding }>;
+        }
+      >;
+      judgeAgent: {
+        judge: (findings: ReviewFinding) => { summaryMarkdown: string; findings: ReviewFinding };
+      };
+      publishSummary: (run: ReviewRun, summary: string, gatedCount: number) => Promise<void>;
+      publishLineComments: (
+        run: ReviewRun,
+        comments: Array<{ path: string; line: number; comment: string }>
+      ) => Promise<boolean>;
+    };
+
+    const internal = orchestrator as unknown as InternalOrchestrator;
+
+    const task: ReviewTask = {
+      domain: 'correctness',
+      paths: ['src/app.ts'],
+      riskTags: [],
+      mode: 'light',
+      tokenBudget: 1200,
+      maxIterations: 1,
+      allowTools: false,
+      allowReflection: false,
+      allowDebate: false,
+    };
+
+    const triageAnalyzeMock = mock(async () => ({
+      complexity: 'standard' as const,
+      reviewSize: 'small' as const,
+      mode: 'light' as const,
+      tasks: [task],
+      riskTags: [],
+      rationale: 'project prompt wiring test',
+    }));
+
+    const reviewWithOptionsMock = mock(async () => ({
+      findings: [] as ReviewFinding,
+    }));
+
+    const reviewWithReflectionMock = mock(async () => ({
+      findings: [] as ReviewFinding,
+    }));
+
+    internal.triageAgent = {
+      analyze: triageAnalyzeMock,
+    };
+
+    internal.agentMap = {
+      correctness: {
+        reviewWithOptions: reviewWithOptionsMock,
+        reviewWithReflection: reviewWithReflectionMock,
+      },
+    };
+
+    internal.judgeAgent = {
+      judge: mock(() => ({
+        summaryMarkdown: 'ok',
+        findings: [] as ReviewFinding,
+      })),
+    };
+
+    internal.publishSummary = mock(async () => undefined);
+    internal.publishLineComments = mock(async () => false);
+
+    const run = makeRun();
+    await orchestrator.execute(run);
+
+    expect(triageAnalyzeMock).toHaveBeenCalledWith(expect.anything(), { projectPrompt });
+    expect(reviewWithOptionsMock).toHaveBeenCalledWith(
+      run,
+      expect.anything(),
+      expect.objectContaining({ projectPrompt })
+    );
+  });
+
+  test('codex prompt builder includes resolved project-level prompt section', async () => {
+    const projectPrompt = `codex-policy-${'X'.repeat(320)}`;
+
+    mock.module('../project-review-prompt', () => ({
+      resolveProjectReviewPrompt: () => projectPrompt,
+    }));
+
+    const { CodexRunner } = await import('../codex/codex-runner');
+
+    const store = createStoreMock();
+    const { manager } = createLocalRepoManagerMock();
+
+    const runner = new CodexRunner(
+      store as unknown as FileReviewStore,
+      manager as unknown as LocalRepoManager
+    );
+
+    const internal = runner as unknown as {
+      buildReviewPrompt: (run: ReviewRun, lastReviewedHead?: string) => string;
+    };
+
+    const prompt = internal.buildReviewPrompt(makeRun(), undefined);
+
+    expect(prompt).toContain('## 项目级审查要求');
+    expect(prompt).toContain(projectPrompt);
+  });
+});
diff --git a/src/review/__tests__/triage-agent.test.ts b/src/review/__tests__/triage-agent.test.ts
index 028221f..418cf30 100644
--- a/src/review/__tests__/triage-agent.test.ts
+++ b/src/review/__tests__/triage-agent.test.ts
@@ -1,4 +1,5 @@
 import { describe, expect, test } from 'bun:test';
+import type { LLMGateway } from '../../llm/gateway';
 import type { LLMChatResponse, ModelRole } from '../../llm/types';
 import { TriageAgent } from '../agents/triage-agent';
 import type { ChangedFile, FindingCategory, ReviewContext } from '../types';
@@ -204,6 +205,44 @@ describe('TriageAgent task-based routing', () => {
     expect(result.rationale).toBe('跨文件业务逻辑调整');
   });
 
+  test('LLM fallback: planner system message keeps full project prompt', async () => {
+    const longProjectPrompt = `repo-policy-${'P'.repeat(420)}`;
+    const { gateway, getCalls } = createMockGateway(async () =>
+      makeChatResponse(
+        JSON.stringify({
+          complexity: 'standard',
+          review_size: 'medium',
+          mode: 'light',
+          relevant_domains: ['correctness'],
+          risk_tags: ['maintainability-hotspot'],
+          rationale: '需要模型判断',
+        })
+      )
+    );
+
+    const agent = new TriageAgent(gateway as unknown as LLMGateway);
+
+    await agent.analyze(
+      makeContext({
+        changedFiles: [
+          makeChangedFile({ path: 'src/service/order.ts', additions: 20, deletions: 10 }),
+          makeChangedFile({ path: 'src/controller/order.ts', additions: 18, deletions: 12 }),
+          makeChangedFile({ path: 'src/repo/order.ts', additions: 15, deletions: 12 }),
+          makeChangedFile({ path: 'src/model/order.ts', additions: 14, deletions: 13 }),
+        ],
+      }),
+      { projectPrompt: longProjectPrompt }
+    );
+
+    const calls = getCalls();
+    expect(calls).toHaveLength(1);
+
+    const plannerMessages = calls[0].request.messages as Array<{ role: string; content: string }>;
+    const plannerSystemMessage = plannerMessages.find((message) => message.role === 'system');
+
+    expect(plannerSystemMessage?.content).toContain(longProjectPrompt);
+  });
+
   test('LLM fallback: planner throws -> default full review with all domains', async () => {
     const { gateway, getCalls } = createMockGateway(async () => {
       throw new Error('planner unavailable');
diff --git a/src/review/agents/critic-agent.ts b/src/review/agents/critic-agent.ts
index 1a86946..347da96 100644
--- a/src/review/agents/critic-agent.ts
+++ b/src/review/agents/critic-agent.ts
@@ -1,7 +1,7 @@
 import config from '../../config';
 import type { LLMGateway } from '../../llm/gateway';
 import type { LLMMessage } from '../../llm/types';
-import { withCoreGlobalPrompt } from '../../utils/global-prompt';
+import { mergeReviewPrompts, withCoreGlobalPrompt } from '../../utils/global-prompt';
 import { logger } from '../../utils/logger';
 import { tokenCounter } from '../context/token-counter';
 import { Finding, ReviewContext } from '../types';
@@ -25,7 +25,8 @@ export class CriticAgent {
 
   async critique(
     findings: Omit<Finding, 'id' | 'runId' | 'published'>[],
-    context: ReviewContext
+    context: ReviewContext,
+    projectPrompt?: string
   ): Promise<CritiqueResult> {
     if (findings.length === 0) {
       return {
@@ -75,7 +76,7 @@ ${tokenCounter.clip(context.diff, 1000)}
           role: 'system',
           content: withCoreGlobalPrompt(
             '你是严格的代码审查质量评估专家，以高标准评估findings的质量。',
-            config.review.globalPrompt
+            mergeReviewPrompts(config.review.globalPrompt, projectPrompt)
           ),
         },
         { role: 'user', content: prompt },
@@ -132,7 +133,8 @@ ${tokenCounter.clip(context.diff, 1000)}
 
   async evaluateSingleFinding(
     finding: Omit<Finding, 'id' | 'runId' | 'published'>,
-    context: ReviewContext
+    context: ReviewContext,
+    projectPrompt?: string
   ): Promise<{
     isValid: boolean;
     confidence: number;
@@ -166,7 +168,10 @@ ${tokenCounter.clip(context.diff, 700)}
       const messages: LLMMessage[] = [
         {
           role: 'system',
-          content: withCoreGlobalPrompt('你是代码审查质量评估专家。', config.review.globalPrompt),
+          content: withCoreGlobalPrompt(
+            '你是代码审查质量评估专家。',
+            mergeReviewPrompts(config.review.globalPrompt, projectPrompt)
+          ),
         },
         { role: 'user', content: prompt },
       ];
diff --git a/src/review/agents/debate-orchestrator.ts b/src/review/agents/debate-orchestrator.ts
index 75e88a0..299bf76 100644
--- a/src/review/agents/debate-orchestrator.ts
+++ b/src/review/agents/debate-orchestrator.ts
@@ -1,7 +1,7 @@
 import config from '../../config';
 import type { LLMGateway } from '../../llm/gateway';
 import type { LLMMessage } from '../../llm/types';
-import { withCoreGlobalPrompt } from '../../utils/global-prompt';
+import { mergeReviewPrompts, withCoreGlobalPrompt } from '../../utils/global-prompt';
 import { logger } from '../../utils/logger';
 import { Finding, FindingSeverity } from '../types';
 import { SpecialistAgent } from './specialist-agent';
@@ -24,7 +24,8 @@ export class DebateOrchestrator {
   async conductDebate(
     finding: Omit<Finding, 'id' | 'runId' | 'published'>,
     agents: SpecialistAgent[],
-    maxRounds = 2
+    maxRounds = 2,
+    projectPrompt?: string
   ): Promise<Omit<Finding, 'id' | 'runId' | 'published'>> {
     if (agents.length < 2) {
       logger.debug('Debate需要至少2个agents，跳过');
@@ -41,7 +42,7 @@ export class DebateOrchestrator {
 
     // 收集初始意见
     for (const agent of agents) {
-      const opinion = await this.getAgentOpinion(agent, finding);
+      const opinion = await this.getAgentOpinion(agent, finding, projectPrompt);
       opinions.set((agent as any).agentName, opinion);
     }
 
@@ -55,7 +56,13 @@ export class DebateOrchestrator {
         const agentName = (agent as any).agentName;
         const otherOpinions = Array.from(opinions.entries()).filter(([name]) => name !== agentName);
 
-        const revisedOpinion = await this.reviseOpinion(agent, finding, otherOpinions, opinions);
+        const revisedOpinion = await this.reviseOpinion(
+          agent,
+          finding,
+          otherOpinions,
+          opinions,
+          projectPrompt
+        );
 
         opinions.set(agentName, revisedOpinion);
       }
@@ -75,7 +82,8 @@ export class DebateOrchestrator {
 
   private async getAgentOpinion(
     agent: SpecialistAgent,
-    finding: Omit<Finding, 'id' | 'runId' | 'published'>
+    finding: Omit<Finding, 'id' | 'runId' | 'published'>,
+    projectPrompt?: string
   ): Promise<AgentOpinion> {
     const agentName = (agent as any).agentName;
     const prompt = `你是${agentName}。评估以下代码问题的严重性、置信度和有效性。
@@ -107,7 +115,7 @@ export class DebateOrchestrator {
           role: 'system',
           content: withCoreGlobalPrompt(
             `你是${agentName}，从你的专业角度独立评估代码问题。`,
-            config.review.globalPrompt
+            mergeReviewPrompts(config.review.globalPrompt, projectPrompt)
           ),
         },
         { role: 'user', content: prompt },
@@ -153,7 +161,8 @@ export class DebateOrchestrator {
     agent: SpecialistAgent,
     finding: Omit<Finding, 'id' | 'runId' | 'published'>,
     otherOpinions: [string, AgentOpinion][],
-    opinions: Map<string, AgentOpinion>
+    opinions: Map<string, AgentOpinion>,
+    projectPrompt?: string
   ): Promise<AgentOpinion> {
     const agentName = (agent as any).agentName;
     const prompt = `你是${agentName}。重新评估以下问题，考虑其他专家的意见。
@@ -188,7 +197,7 @@ ${otherOpinions
           role: 'system',
           content: withCoreGlobalPrompt(
             `你是${agentName}，根据同行意见重新评估，但也要坚持你的专业判断。`,
-            config.review.globalPrompt
+            mergeReviewPrompts(config.review.globalPrompt, projectPrompt)
           ),
         },
         { role: 'user', content: prompt },
diff --git a/src/review/agents/reflexion-agent.ts b/src/review/agents/reflexion-agent.ts
index be135ce..2014545 100644
--- a/src/review/agents/reflexion-agent.ts
+++ b/src/review/agents/reflexion-agent.ts
@@ -2,7 +2,7 @@ import { createHash } from 'node:crypto';
 import config from '../../config';
 import type { LLMGateway } from '../../llm/gateway';
 import type { LLMMessage } from '../../llm/types';
-import { withGlobalPrompt } from '../../utils/global-prompt';
+import { mergeReviewPrompts, withGlobalPrompt } from '../../utils/global-prompt';
 import { logger } from '../../utils/logger';
 import { tokenCounter } from '../context/token-counter';
 import { LearningSystem } from '../learning/learning-system';
@@ -43,6 +43,7 @@ export class ReflexionAgent extends SpecialistAgent {
     let bestFindings: Omit<Finding, 'id' | 'runId' | 'published'>[] = [];
     let bestQualityScore = 0;
     let currentFindings: Omit<Finding, 'id' | 'runId' | 'published'>[] = [];
+    const projectPrompt = options?.projectPrompt;
 
     for (let round = 0; round < maxReflectionRounds; round++) {
       logger.info(`${this.agentName} Reflection Round ${round + 1}/${maxReflectionRounds}`, {
@@ -53,7 +54,7 @@ export class ReflexionAgent extends SpecialistAgent {
       const draft = await this.generateDraft(run, context, currentFindings, round, options);
 
       // 自我批评
-      const critique = await this.criticAgent.critique(draft, context);
+      const critique = await this.criticAgent.critique(draft, context, projectPrompt);
 
       logger.info(`${this.agentName} Critique结果`, {
         runId: run.id,
@@ -82,7 +83,7 @@ export class ReflexionAgent extends SpecialistAgent {
 
       // 如果还有改进空间，继续优化（refine后需要在下一轮重新评估）
       if (round < maxReflectionRounds - 1) {
-        currentFindings = await this.refine(draft, critique, context, run);
+        currentFindings = await this.refine(draft, critique, context, run, projectPrompt);
       }
     }
 
@@ -113,7 +114,8 @@ export class ReflexionAgent extends SpecialistAgent {
     draft: Omit<Finding, 'id' | 'runId' | 'published'>[],
     critique: CritiqueResult,
     context: ReviewContext,
-    run: ReviewRun
+    run: ReviewRun,
+    projectPrompt?: string
   ): Promise<Omit<Finding, 'id' | 'runId' | 'published'>[]> {
     const prompt = `你是${this.agentName}。根据以下批评意见，改进审查结果。
 
@@ -150,7 +152,7 @@ ${tokenCounter.clip(context.diff, 1000)}
           role: 'system',
           content: withGlobalPrompt(
             `你是${this.agentName}，根据批评反馈改进审查结果。`,
-            config.review.globalPrompt
+            mergeReviewPrompts(config.review.globalPrompt, projectPrompt)
           ),
         },
         { role: 'user', content: prompt },
diff --git a/src/review/agents/specialist-agent.ts b/src/review/agents/specialist-agent.ts
index 470bcf5..c051f06 100644
--- a/src/review/agents/specialist-agent.ts
+++ b/src/review/agents/specialist-agent.ts
@@ -2,7 +2,7 @@ import { createHash } from 'node:crypto';
 import config from '../../config';
 import type { LLMGateway } from '../../llm/gateway';
 import type { LLMMessage, LLMToolCall } from '../../llm/types';
-import { withGlobalPrompt } from '../../utils/global-prompt';
+import { mergeReviewPrompts, withGlobalPrompt } from '../../utils/global-prompt';
 import { logger } from '../../utils/logger';
 import { tokenCounter } from '../context/token-counter';
 import type { LearningSystem } from '../learning/learning-system';
@@ -36,6 +36,7 @@ export interface SpecialistReviewOptions {
   maxIterations?: number;
   mode?: ReviewMode;
   maxContextTokens?: number;
+  projectPrompt?: string;
 }
 
 function toCompactContext(context: ReviewContext, options?: CompactContextOptions): string {
@@ -185,7 +186,7 @@ ${toCompactContext(context, {
           role: 'system',
           content: withGlobalPrompt(
             '你是严格的代码审查专家。返回结构化JSON，不输出额外文字。confidence取值范围0到1。line必须是正整数且引用新增行。',
-            config.review.globalPrompt
+            mergeReviewPrompts(config.review.globalPrompt, options?.projectPrompt)
           ),
         },
         { role: 'user', content: prompt },
@@ -271,7 +272,7 @@ ${this.toolRegistry!.getAll()
   "need_more_investigation": false
 }
 每个 finding 对象的所有字段都是必填的。无问题时返回空数组 {"findings": [], "need_more_investigation": false}。`,
-          config.review.globalPrompt
+          mergeReviewPrompts(config.review.globalPrompt, options?.projectPrompt)
         ),
       },
     ];
diff --git a/src/review/agents/triage-agent.ts b/src/review/agents/triage-agent.ts
index d76f267..7915cfb 100644
--- a/src/review/agents/triage-agent.ts
+++ b/src/review/agents/triage-agent.ts
@@ -12,7 +12,7 @@
 import config from '../../config';
 import type { LLMGateway } from '../../llm/gateway';
 import type { LLMMessage } from '../../llm/types';
-import { withCoreGlobalPrompt } from '../../utils/global-prompt';
+import { mergeReviewPrompts, withCoreGlobalPrompt } from '../../utils/global-prompt';
 import { logger } from '../../utils/logger';
 import type {
   ChangedFile,
@@ -41,6 +41,10 @@ export interface TriageResult {
   rationale: string;
 }
 
+export interface TriageOptions {
+  projectPrompt?: string;
+}
+
 /** All valid finding categories. */
 const ALL_DOMAINS: FindingCategory[] = [
   'correctness',
@@ -334,7 +338,7 @@ export class TriageAgent {
    * If the planner role is not configured or the call fails,
    * falls back to a heuristic-based triage.
    */
-  async analyze(context: ReviewContext): Promise<TriageResult> {
+  async analyze(context: ReviewContext, options?: TriageOptions): Promise<TriageResult> {
     // First try heuristic-based fast path (no LLM call needed for obvious cases)
     const heuristicResult = this.heuristicTriage(context.changedFiles);
     if (heuristicResult) {
@@ -349,7 +353,7 @@ export class TriageAgent {
 
     // Fall back to LLM-based triage
     try {
-      return await this.llmTriage(context);
+      return await this.llmTriage(context, options);
     } catch (error) {
       logger.warn('Triage: LLM 调用失败，回退到启发式全量派发', {
         error: error instanceof Error ? error.message : String(error),
@@ -454,7 +458,7 @@ export class TriageAgent {
   /**
    * LLM-based triage using the 'planner' role.
    */
-  private async llmTriage(context: ReviewContext): Promise<TriageResult> {
+  private async llmTriage(context: ReviewContext, options?: TriageOptions): Promise<TriageResult> {
     const policy = getReviewBudgetPolicy();
     const riskTags = collectRiskTags(context.changedFiles);
     const fileSummary = context.changedFiles
@@ -494,7 +498,7 @@ ${diffPreview}
         role: 'system',
         content: withCoreGlobalPrompt(
           '你是代码变更分流专家，快速判断变更复杂度。返回结构化 JSON，不输出额外文字。',
-          config.review.globalPrompt
+          mergeReviewPrompts(config.review.globalPrompt, options?.projectPrompt)
         ),
       },
       { role: 'user', content: prompt },
diff --git a/src/review/codex/codex-runner.ts b/src/review/codex/codex-runner.ts
index 2824bc5..8413e3b 100644
--- a/src/review/codex/codex-runner.ts
+++ b/src/review/codex/codex-runner.ts
@@ -3,6 +3,7 @@ import path from 'node:path';
 import config from '../../config';
 import { logger } from '../../utils/logger';
 import type { LocalRepoManager, LocalRepoPaths } from '../context/local-repo-manager';
+import { resolveProjectReviewPrompt } from '../project-review-prompt';
 import type { FileReviewStore } from '../store/file-review-store';
 import type { ReviewRun } from '../types';
 import { type ReviewRunContext, mcpToolExecutor } from './mcp-tools';
@@ -306,7 +307,7 @@ export class CodexRunner {
   }
 
   private resolveProjectPrompt(_run: ReviewRun): string | undefined {
-    return undefined;
+    return resolveProjectReviewPrompt(_run.owner, _run.repo);
   }
 
   /**
diff --git a/src/review/orchestrator.ts b/src/review/orchestrator.ts
index 9d787aa..7105f61 100644
--- a/src/review/orchestrator.ts
+++ b/src/review/orchestrator.ts
@@ -12,6 +12,7 @@ import { LocalRepoManager, LocalRepoPaths } from './context/local-repo-manager';
 import { LearningSystem } from './learning/learning-system';
 import { VectorMemoryStore } from './memory/vector-store';
 import { applyPublishPolicy } from './policy/publish-policy';
+import { resolveProjectReviewPrompt } from './project-review-prompt';
 import { FileReviewStore } from './store/file-review-store';
 import { createCodeSearchTool } from './tools/code-search-tool';
 import { createFileReadTool } from './tools/file-read-tool';
@@ -229,6 +230,8 @@ export class ReviewOrchestrator {
         return;
       }
 
+      const projectPrompt = resolveProjectReviewPrompt(run.owner, run.repo);
+
       // ── Triage: 决定哪些 specialist 需要参与 ─────────────────────────
       let triage: TriageResult | null = null;
       const enableTriage = config.review.enableTriage ?? true;
@@ -242,7 +245,7 @@ export class ReviewOrchestrator {
           startedAt: new Date(triageStart).toISOString(),
         });
 
-        triage = await this.triageAgent.analyze(context);
+        triage = await this.triageAgent.analyze(context, { projectPrompt });
 
         await this.store.addStep({
           runId: run.id,
@@ -330,6 +333,7 @@ export class ReviewOrchestrator {
             maxIterations: task.maxIterations,
             mode: task.mode,
             maxContextTokens: Math.max(1500, Math.floor(task.tokenBudget * 0.7)),
+            projectPrompt,
           } as const;
 
           const useReflection =
@@ -411,7 +415,9 @@ export class ReviewOrchestrator {
           const uniqueDebateAgents = [...new Set(debateAgents)];
           const debatedFinding = await this.debateOrchestrator.conductDebate(
             finding,
-            uniqueDebateAgents
+            uniqueDebateAgents,
+            2,
+            projectPrompt
           );
           debatedFindings.push(debatedFinding);
         }
diff --git a/src/review/project-review-prompt.ts b/src/review/project-review-prompt.ts
new file mode 100644
index 0000000..2a632a1
--- /dev/null
+++ b/src/review/project-review-prompt.ts
@@ -0,0 +1,19 @@
+import { repositoryReviewPromptRepo } from '../db/repositories/repository-review-prompt-repo';
+import { logger } from '../utils/logger';
+
+export function resolveProjectReviewPrompt(owner: string, repo: string): string | undefined {
+  try {
+    return repositoryReviewPromptRepo.getProjectPrompt(owner, repo);
+  } catch (error) {
+    if (error instanceof Error && error.message.includes('Database not initialized')) {
+      return undefined;
+    }
+
+    logger.warn('读取项目级审查提示词失败，回退为仅全局提示词', {
+      owner,
+      repo,
+      error: error instanceof Error ? error.message : String(error),
+    });
+    return undefined;
+  }
+}
diff --git a/src/utils/global-prompt.ts b/src/utils/global-prompt.ts
index 7c4dfa6..cd3bb34 100644
--- a/src/utils/global-prompt.ts
+++ b/src/utils/global-prompt.ts
@@ -11,14 +11,32 @@ export function withGlobalPrompt(systemContent: string, globalPrompt: string | u
   return `${systemContent}\n\n${globalPrompt}`;
 }
 
+export function mergeReviewPrompts(
+  globalPrompt: string | undefined,
+  projectPrompt: string | undefined
+): string | undefined {
+  const normalized = [globalPrompt, projectPrompt]
+    .map((item) => item?.trim())
+    .filter((item): item is string => !!item && item.length > 0);
+
+  if (normalized.length === 0) {
+    return undefined;
+  }
+
+  return normalized.join('\n\n');
+}
+
 export function withCoreGlobalPrompt(
   systemContent: string,
   globalPrompt: string | undefined,
-  maxChars = 240
+  maxChars?: number
 ): string {
   if (!globalPrompt || globalPrompt.trim() === '') {
     return systemContent;
   }
-  const compact = globalPrompt.trim().slice(0, maxChars);
+
+  const normalized = globalPrompt.trim();
+  const compact =
+    typeof maxChars === 'number' && maxChars > 0 ? normalized.slice(0, maxChars) : normalized;
   return `${systemContent}\n\n${compact}`;
 }