diff --git a/.github/workflows/deploy-awen-domain-proxy.yml b/.github/workflows/deploy-awen-domain-proxy.yml
index df58162d..d37442cf 100644
--- a/.github/workflows/deploy-awen-domain-proxy.yml
+++ b/.github/workflows/deploy-awen-domain-proxy.yml
@@ -133,18 +133,6 @@ jobs:
           cat /tmp/awen-domain-proxy.conf
           echo ""
 
-          # 检查主配置是否已有 connection_upgrade map
-          # 如果有则移除本配置中的 map 块避免冲突
-          HAS_MAP=$(ssh -i ~/.ssh/zy_key \
-            ${{ secrets.ZY_SERVER_USER }}@${{ secrets.ZY_SERVER_HOST }} \
-            "grep -l 'map.*http_upgrade.*connection_upgrade' /etc/nginx/nginx.conf /etc/nginx/conf.d/*.conf /etc/nginx/sites-available/*.conf 2>/dev/null | head -1" || true)
-
-          if [ -n "$HAS_MAP" ]; then
-            echo "ℹ️ 主配置已包含 connection_upgrade map，移除本配置中的重复定义"
-            sed -i '/^# ─── WebSocket 升级映射/,/^}$/d' /tmp/awen-domain-proxy.conf
-            sed -i '/^map \$http_upgrade/,/^}$/d' /tmp/awen-domain-proxy.conf
-          fi
-
           # 备份现有配置（如果存在）
           ssh -i ~/.ssh/zy_key \
             ${{ secrets.ZY_SERVER_USER }}@${{ secrets.ZY_SERVER_HOST }} \
diff --git a/server/nginx/awen-domain-proxy.conf b/server/nginx/awen-domain-proxy.conf
index 05b08f2c..a0a7a48e 100644
--- a/server/nginx/awen-domain-proxy.conf
+++ b/server/nginx/awen-domain-proxy.conf
@@ -52,8 +52,10 @@ server {
         proxy_set_header X-Forwarded-Host $host;
 
         # ─── WebSocket 支持 ───
+        # 使用硬编码 "upgrade" 而非 map 变量，与 zhuyuan-sovereign.conf 保持一致
+        # 后端会忽略非 WebSocket 请求的 Connection: upgrade 头
         proxy_set_header Upgrade $http_upgrade;
-        proxy_set_header Connection $connection_upgrade;
+        proxy_set_header Connection "upgrade";
 
         # ─── 超时设置 (跨境延迟考虑 · 新加坡↔广州) ───
         proxy_connect_timeout 15s;
@@ -100,11 +102,3 @@ server {
     error_log /opt/zhuyuan/data/logs/nginx-awen-proxy-error.log;
 }
 
-# ─── WebSocket 升级映射 ───
-# 注意: 此 map 块必须位于 http {} 上下文 (不在 server {} 内)
-# 如果 nginx.conf 或其他配置文件已定义 $connection_upgrade，
-# 部署 workflow 会自动检测并移除本段避免冲突
-map $http_upgrade $connection_upgrade {
-    default upgrade;
-    '' close;
-}