diff --git a/scripts/ci/auto_merge.sh b/scripts/ci/auto_merge.sh
index d251b9820..acb8dcdef 100644
--- a/scripts/ci/auto_merge.sh
+++ b/scripts/ci/auto_merge.sh
@@ -23,23 +23,11 @@ FRONTEND_COUNT=$(echo "$FILES" | grep -c '^apps/web/' || true)
 BACKEND_COUNT=$((TOTAL - FRONTEND_COUNT))
 echo "变更文件: ${TOTAL} 个 (前端: ${FRONTEND_COUNT}, 后端/公共: ${BACKEND_COUNT})"
 
-if [ "$BACKEND_COUNT" = "0" ] && [ "$FRONTEND_COUNT" -gt "0" ]; then
-  CONTEXTS=("CI/CD Pipeline / Frontend Lint (pull_request)")
-  echo "纯前端改动，只检查Frontend Lint"
-else
-  CONTEXTS=(
-    "CI/CD Pipeline / Validate - Code Quality (pull_request)"
-    "CI/CD Pipeline / Validate - Type Check (mypy) (pull_request)"
-    "CI/CD Pipeline / Validate - Migration (alembic) (pull_request)"
-    "CI/CD Pipeline / Frontend Lint (pull_request)"
-    "CI/CD Pipeline / Unit Tests (pull_request)"
-    "CI/CD Pipeline / Frontend Unit Tests (pull_request)"
-    "CI/CD Pipeline / PR Build API Image (pull_request)"
-    "CI/CD Pipeline / PR Build Web Image (pull_request)"
-    "CI/CD Pipeline / PR Build Worker Image (pull_request)"
-  )
-  echo "检查required门禁（与分支保护一致）"
-fi
+# 使用统一的CI Gate门禁（单一检查点，自动处理前端/后端/全栈跳过逻辑）
+CONTEXTS=(
+  "CI/CD Pipeline / CI Gate (pull_request)"
+)
+echo "检查CI Gate统一门禁"
 echo
 
 # 初始等待30秒，给CI启动写status的时间