diff --git a/.github/workflows/dev-daily-fixed.yml b/.github/workflows/dev-daily-fixed.yml
index 9039096..9697718 100644
--- a/.github/workflows/dev-daily-fixed.yml
+++ b/.github/workflows/dev-daily-fixed.yml
@@ -226,3 +226,80 @@ jobs:
             exit 1
           fi
           gh release upload "$FIXED_DEV_TAG" "${assets[@]}" --repo "$GITHUB_REPOSITORY" --clobber
+
+  update-dev-release-notes:
+    needs:
+      - prepare
+      - dev-mac-arm64
+      - dev-linux
+      - dev-win-x64
+      - dev-win-arm64
+    if: always() && needs.prepare.result == 'success'
+    runs-on: ubuntu-latest
+    steps:
+      - name: Update fixed dev release notes
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          FIXED_DEV_TAG: ${{ env.FIXED_DEV_TAG }}
+        shell: bash
+        run: |
+          set -euo pipefail
+
+          TAG="$FIXED_DEV_TAG"
+          REPO="$GITHUB_REPOSITORY"
+          RELEASE_PAGE="https://github.com/$REPO/releases/tag/$TAG"
+
+          if ! gh release view "$TAG" --repo "$REPO" >/dev/null 2>&1; then
+            echo "Release $TAG not found, skip notes update."
+            exit 0
+          fi
+
+          ASSETS_JSON="$(gh release view "$TAG" --repo "$REPO" --json assets)"
+
+          pick_asset() {
+            local pattern="$1"
+            echo "$ASSETS_JSON" | jq -r --arg p "$pattern" '[.assets[].name | select(test($p))][0] // ""'
+          }
+
+          WINDOWS_ASSET="$(pick_asset "dev-x64-Setup[.]exe$")"
+          WINDOWS_ARM64_ASSET="$(pick_asset "dev-arm64-Setup[.]exe$")"
+          MAC_ASSET="$(pick_asset "dev-arm64[.]dmg$")"
+          LINUX_TAR_ASSET="$(pick_asset "dev-linux[.]tar[.]gz$")"
+          LINUX_APPIMAGE_ASSET="$(pick_asset "dev-linux[.]AppImage$")"
+
+          build_link() {
+            local name="$1"
+            if [ -n "$name" ]; then
+              echo "https://github.com/$REPO/releases/download/$TAG/$name"
+            fi
+          }
+
+          WINDOWS_URL="$(build_link "$WINDOWS_ASSET")"
+          WINDOWS_ARM64_URL="$(build_link "$WINDOWS_ARM64_ASSET")"
+          MAC_URL="$(build_link "$MAC_ASSET")"
+          LINUX_TAR_URL="$(build_link "$LINUX_TAR_ASSET")"
+          LINUX_APPIMAGE_URL="$(build_link "$LINUX_APPIMAGE_ASSET")"
+
+          cat > dev_release_notes.md <<EOF
+          ## Daily Dev Build
+          - 该发布页为 **开发版**。
+          - 当前构建版本：\`${{ needs.prepare.outputs.dev_version }}\`
+          - 此版本为每日构建的开发版，包含最新的功能和修复，但可能不够稳定，仅推荐用于测试和验证。
+
+          ## 渠道信息
+          - 更新通道：\`dev\`（Windows arm64 使用 \`dev-arm64\`）
+          - 固定发布页：$RELEASE_PAGE
+
+          ## 下载
+          - Windows x64: ${WINDOWS_URL:-$RELEASE_PAGE}
+          - Windows arm64: ${WINDOWS_ARM64_URL:-$RELEASE_PAGE}
+          - macOS（Apple Silicon）: ${MAC_URL:-$RELEASE_PAGE}
+          - Linux (.tar.gz): ${LINUX_TAR_URL:-$RELEASE_PAGE}
+          - Linux (.AppImage): ${LINUX_APPIMAGE_URL:-$RELEASE_PAGE}
+
+          ## 说明
+          - 该发布页的同名资源会被后续构建覆盖，请勿将其视作长期归档版本。
+          - 如某个平台资源暂未生成，请进入发布页查看最新状态：$RELEASE_PAGE
+          EOF
+
+          gh release edit "$TAG" --repo "$REPO" --title "Daily Dev Build" --notes-file dev_release_notes.md
diff --git a/.github/workflows/preview-nightly-main.yml b/.github/workflows/preview-nightly-main.yml
index f774bbd..a316b4b 100644
--- a/.github/workflows/preview-nightly-main.yml
+++ b/.github/workflows/preview-nightly-main.yml
@@ -195,3 +195,84 @@ jobs:
           GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: |
           npx electron-builder --win nsis --arm64 --publish always '--config.publish.releaseType=prerelease' '--config.publish.channel=preview-arm64' '--config.artifactName=${productName}-${version}-arm64-Setup.${ext}'
+
+  update-preview-release-notes:
+    needs:
+      - prepare
+      - preview-mac-arm64
+      - preview-linux
+      - preview-win-x64
+      - preview-win-arm64
+    if: needs.prepare.outputs.should_build == 'true' && always()
+    runs-on: ubuntu-latest
+    steps:
+      - name: Update preview release notes
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        shell: bash
+        run: |
+          set -euo pipefail
+
+          TAG="v${{ needs.prepare.outputs.preview_version }}"
+          REPO="$GITHUB_REPOSITORY"
+          RELEASE_PAGE="https://github.com/$REPO/releases/tag/$TAG"
+
+          if ! gh release view "$TAG" --repo "$REPO" >/dev/null 2>&1; then
+            echo "Release $TAG not found (possibly all publish jobs failed), skip notes update."
+            exit 0
+          fi
+
+          ASSETS_JSON="$(gh release view "$TAG" --repo "$REPO" --json assets)"
+
+          pick_asset() {
+            local pattern="$1"
+            echo "$ASSETS_JSON" | jq -r --arg p "$pattern" '[.assets[].name | select(test($p))][0] // ""'
+          }
+
+          WINDOWS_ASSET="$(pick_asset "x64.*[.]exe$")"
+          if [ -z "$WINDOWS_ASSET" ]; then
+            WINDOWS_ASSET="$(echo "$ASSETS_JSON" | jq -r '[.assets[].name | select(test("[.]exe$")) | select(test("arm64") | not)][0] // ""')"
+          fi
+          WINDOWS_ARM64_ASSET="$(pick_asset "arm64.*[.]exe$")"
+          MAC_ASSET="$(pick_asset "[.]dmg$")"
+          LINUX_TAR_ASSET="$(pick_asset "[.]tar[.]gz$")"
+          LINUX_APPIMAGE_ASSET="$(pick_asset "[.]AppImage$")"
+
+          build_link() {
+            local name="$1"
+            if [ -n "$name" ]; then
+              echo "https://github.com/$REPO/releases/download/$TAG/$name"
+            fi
+          }
+
+          WINDOWS_URL="$(build_link "$WINDOWS_ASSET")"
+          WINDOWS_ARM64_URL="$(build_link "$WINDOWS_ARM64_ASSET")"
+          MAC_URL="$(build_link "$MAC_ASSET")"
+          LINUX_TAR_URL="$(build_link "$LINUX_TAR_ASSET")"
+          LINUX_APPIMAGE_URL="$(build_link "$LINUX_APPIMAGE_ASSET")"
+
+          cat > preview_release_notes.md <<EOF
+          ## Preview Nightly 说明
+          - 该版本为 **预览版**，用于提前体验即将发布的功能与修复。
+          - 可能包含尚未完全稳定的改动，不建议长期使用
+
+          ## 渠道信息
+          - 更新通道：\`preview\`（Windows arm64 使用 \`preview-arm64\`）
+          - 完整发布页：$RELEASE_PAGE
+
+          ## 下载
+          - Windows x64: ${WINDOWS_URL:-$RELEASE_PAGE}
+          - Windows arm64: ${WINDOWS_ARM64_URL:-$RELEASE_PAGE}
+          - macOS（Apple Silicon）: ${MAC_URL:-$RELEASE_PAGE}
+          - Linux (.tar.gz): ${LINUX_TAR_URL:-$RELEASE_PAGE}
+          - Linux (.AppImage): ${LINUX_APPIMAGE_URL:-$RELEASE_PAGE}
+
+          ## 安装提示
+          - macOS 若提示“无法验证开发者”，请在「系统设置 -> 隐私与安全性」中允许打开。
+          - 若仍被拦截，可执行：
+          - \`xattr -dr com.apple.quarantine "/Applications/WeFlow.app"\`
+
+          > 如某个平台链接暂未生成，请前往发布页查看最新资源：$RELEASE_PAGE
+          EOF
+
+          gh release edit "$TAG" --repo "$REPO" --notes-file preview_release_notes.md
diff --git a/electron/main.ts b/electron/main.ts
index 57be647..355693a 100644
--- a/electron/main.ts
+++ b/electron/main.ts
@@ -57,9 +57,13 @@ const normalizeUpdateTrack = (raw: unknown): 'stable' | 'preview' | 'dev' | null
   return null
 }
 
-const applyAutoUpdateChannel = (reason: 'startup' | 'settings' = 'startup') => {
+const getEffectiveUpdateTrack = (): 'stable' | 'preview' | 'dev' => {
   const configuredTrack = normalizeUpdateTrack(configService?.get('updateChannel'))
-  const track: 'stable' | 'preview' | 'dev' = configuredTrack || defaultUpdateTrack
+  return configuredTrack || defaultUpdateTrack
+}
+
+const applyAutoUpdateChannel = (reason: 'startup' | 'settings' = 'startup') => {
+  const track = getEffectiveUpdateTrack()
   const baseUpdateChannel = track === 'stable' ? 'latest' : track
   autoUpdater.allowPrerelease = track !== 'stable'
   autoUpdater.allowDowngrade = isPrereleaseBuild && track === 'stable'
@@ -273,6 +277,14 @@ const normalizeReleaseNotes = (rawReleaseNotes: unknown): string => {
   return cleaned
 }
 
+const getDialogReleaseNotes = (rawReleaseNotes: unknown): string => {
+  const track = getEffectiveUpdateTrack()
+  if (track !== 'stable') {
+    return '修复了一些已知问题'
+  }
+  return normalizeReleaseNotes(rawReleaseNotes)
+}
+
 type AnnualReportYearsLoadStrategy = 'cache' | 'native' | 'hybrid'
 type AnnualReportYearsLoadPhase = 'cache' | 'native' | 'scan' | 'done'
 
@@ -1275,7 +1287,7 @@ function registerIpcHandlers() {
           return {
             hasUpdate: true,
             version: latestVersion,
-            releaseNotes: normalizeReleaseNotes(result.updateInfo.releaseNotes),
+            releaseNotes: getDialogReleaseNotes(result.updateInfo.releaseNotes),
             minimumVersion: (result.updateInfo as any).minimumVersion
           }
         }
@@ -2740,7 +2752,7 @@ function checkForUpdatesOnStartup() {
           // 通知渲染进程有新版本
           mainWindow.webContents.send('app:updateAvailable', {
             version: latestVersion,
-            releaseNotes: normalizeReleaseNotes(result.updateInfo.releaseNotes),
+            releaseNotes: getDialogReleaseNotes(result.updateInfo.releaseNotes),
             minimumVersion: (result.updateInfo as any).minimumVersion
           })
         }