diff --git a/electron/services/config.ts b/electron/services/config.ts
index 5dd014d..618d908 100644
--- a/electron/services/config.ts
+++ b/electron/services/config.ts
@@ -225,7 +225,7 @@ export class ConfigService {
       aiModelApiBaseUrl: '',
       aiModelApiKey: '',
       aiModelApiModel: 'gpt-4o-mini',
-      aiModelApiMaxTokens: 200,
+      aiModelApiMaxTokens: 1024,
       aiInsightEnabled: false,
       aiInsightApiBaseUrl: '',
       aiInsightApiKey: '',
diff --git a/electron/services/insightService.ts b/electron/services/insightService.ts
index ebf82b1..bb0ea57 100644
--- a/electron/services/insightService.ts
+++ b/electron/services/insightService.ts
@@ -36,9 +36,9 @@ const SILENCE_SCAN_INITIAL_DELAY_MS = 3 * 60 * 1000
 
 /** 单次 API 请求超时（毫秒） */
 const API_TIMEOUT_MS = 45_000
-const API_MAX_TOKENS_DEFAULT = 200
+const API_MAX_TOKENS_DEFAULT = 1024
 const API_MAX_TOKENS_MIN = 1
-const API_MAX_TOKENS_MAX = 65_535
+const API_MAX_TOKENS_MAX = 2_000_000
 const API_TEMPERATURE = 0.7
 const INSIGHT_NOTIFICATION_AVATAR_URL = './assets/insight/AI_Insight.png'
 
@@ -582,7 +582,7 @@ ${topMentionText}
         25_000,
         maxTokens
       )
-      const insight = result.trim().slice(0, 400)
+      const insight = result.trim()
       if (!insight) return { success: false, message: '模型返回为空' }
       return { success: true, message: '生成成功', insight }
     } catch (error) {
@@ -1214,7 +1214,7 @@ ${topMentionText}
       }
       if (!this.isEnabled()) return
 
-      const insight = result.slice(0, 120)
+      const insight = result.trim()
       const notifTitle = `见解 · ${resolvedDisplayName}`
       const recordLog: InsightRecordLog = {
         endpoint,
diff --git a/src/pages/SettingsPage.tsx b/src/pages/SettingsPage.tsx
index dc53ef3..92c0f78 100644
--- a/src/pages/SettingsPage.tsx
+++ b/src/pages/SettingsPage.tsx
@@ -292,7 +292,7 @@ function SettingsPage({ onClose }: SettingsPageProps = {}) {
   const [aiModelApiBaseUrl, setAiModelApiBaseUrl] = useState('')
   const [aiModelApiKey, setAiModelApiKey] = useState('')
   const [aiModelApiModel, setAiModelApiModel] = useState('gpt-4o-mini')
-  const [aiModelApiMaxTokens, setAiModelApiMaxTokens] = useState(200)
+  const [aiModelApiMaxTokens, setAiModelApiMaxTokens] = useState(1024)
   const [aiInsightSilenceDays, setAiInsightSilenceDays] = useState(3)
   const [aiInsightAllowContext, setAiInsightAllowContext] = useState(false)
   const [aiInsightAllowMomentsContext, setAiInsightAllowMomentsContext] = useState(false)
@@ -3030,18 +3030,18 @@ function SettingsPage({ onClose }: SettingsPageProps = {}) {
       <div className="form-group">
         <label>通用 Max Tokens</label>
         <span className="form-hint">
-          设置单次请求的最大输出 token 数量，见解与足迹共享该值。默认 <code>200</code>。
+          设置单次请求的最大输出 token 数量，见解与足迹共享该值。默认 <code>1024</code>。
         </span>
         <input
           type="number"
           className="field-input"
           value={aiModelApiMaxTokens}
           min={1}
-          max={65535}
+          max={2000000}
           step={1}
           onChange={(e) => {
             const parsed = parseInt(e.target.value, 10)
-            const val = Math.min(65535, Math.max(1, Number.isFinite(parsed) ? parsed : 200))
+            const val = Math.min(2000000, Math.max(1, Number.isFinite(parsed) ? parsed : 1024))
             setAiModelApiMaxTokens(val)
             scheduleConfigSave('aiModelApiMaxTokens', () => configService.setAiModelApiMaxTokens(val))
           }}
diff --git a/src/services/config.ts b/src/services/config.ts
index 96fd237..2c3ba74 100644
--- a/src/services/config.ts
+++ b/src/services/config.ts
@@ -1903,13 +1903,13 @@ export async function getAiModelApiMaxTokens(): Promise<number> {
   if (typeof value === 'number' && Number.isFinite(value) && value > 0) {
     return Math.floor(value)
   }
-  return 200
+  return 1024
 }
 
 export async function setAiModelApiMaxTokens(maxTokens: number): Promise<void> {
   const normalized = Number.isFinite(maxTokens)
-    ? Math.min(65535, Math.max(1, Math.floor(maxTokens)))
-    : 200
+    ? Math.min(2000000, Math.max(1, Math.floor(maxTokens)))
+    : 1024
   await config.set(CONFIG_KEYS.AI_MODEL_API_MAX_TOKENS, normalized)
 }