diff --git a/.github/workflows/security-scan.yml b/.github/workflows/security-scan.yml
deleted file mode 100644
index 11a1376..0000000
--- a/.github/workflows/security-scan.yml
+++ /dev/null
@@ -1,96 +0,0 @@
-name: Security Scan
-
-env:
-  FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: true
-
-on:
-  schedule:
-    - cron: '0 2 * * *'  # 每天 UTC 02:00
-  workflow_dispatch:     # 手动触发
-  pull_request:          # PR 时触发
-    branches: [ main, dev ]
-
-permissions:
-  contents: read
-  security-events: write
-  actions: read
-
-jobs:
-  security-scan:
-    name: Security Scan (${{ matrix.branch }})
-    runs-on: ubuntu-latest
-    strategy:
-      fail-fast: false
-      matrix:
-        branch:
-          - main
-
-    steps:
-      - name: Checkout ${{ matrix.branch }}
-        uses: actions/checkout@v5
-        with:
-          ref: ${{ matrix.branch }}
-          fetch-depth: 0
-
-      - name: Setup Node.js
-        uses: actions/setup-node@v5
-        with:
-          node-version: '24'
-          cache: 'npm' # 使用 npm 缓存加速
-
-      - name: Install dependencies
-        run: npm ci --ignore-scripts
-
-      # 1. npm audit - 检查依赖漏洞
-      - name: Dependency vulnerability audit
-        run: npm audit --audit-level=moderate
-        continue-on-error: true
-
-      # 2. CodeQL 静态分析
-      - name: Initialize CodeQL
-        uses: github/codeql-action/init@v3
-        with:
-          languages: javascript, typescript
-          queries: security-and-quality
-
-      - name: Autobuild
-        uses: github/codeql-action/autobuild@v3
-
-      - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@v3
-        with:
-          category: '/language:javascript-typescript/branch:${{ matrix.branch }}'
-
-      # 3. 密钥/敏感信息扫描
-      - name: Secret scanning with Gitleaks
-        uses: gitleaks/gitleaks-action@v2
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        continue-on-error: true
-
-  # 动态获取所有分支并扫描
-  scan-all-branches:
-    name: Scan additional branches
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout repo
-        uses: actions/checkout@v5
-        with:
-          fetch-depth: 0
-
-      - name: Setup Node.js
-        uses: actions/setup-node@v5
-        with:
-          node-version: '24'
-          cache: 'npm'
-
-      - name: Run npm audit on all branches
-        run: |
-          git branch -r | grep -v HEAD | sed 's|origin/||' | tr -d ' ' | while read branch; do
-            echo "===== Auditing branch: $branch ====="
-            git checkout "$branch" 2>/dev/null || continue
-            # 尝试安装并审计
-            npm ci --ignore-scripts --silent 2>/dev/null || npm install --ignore-scripts --silent 2>/dev/null || true
-            npm audit --audit-level=moderate 2>/dev/null || true
-          done
-        continue-on-error: true