diff --git a/.github/workflows/deploy-to-server.yml b/.github/workflows/deploy-to-server.yml
index ec372b94..5426f0a0 100644
--- a/.github/workflows/deploy-to-server.yml
+++ b/.github/workflows/deploy-to-server.yml
@@ -216,17 +216,11 @@ jobs:
                 cd '${{ secrets.DEPLOY_PATH }}/backend-integration'
                 npm install --production 2>/dev/null || echo '⚠️ api-proxy npm install 失败（可能无 package.json，继续）'
                 echo '🔄 重启 API 代理服务...'
-                pm2 restart guanghulab-proxy 2>/dev/null || \
-                  YUNWU_API_KEY='${{ secrets.YUNWU_API_KEY }}' \
-                  DEEPSEEK_API_KEY='${{ secrets.YUNWU_API_KEY }}' \
-                  pm2 start api-proxy.js --name guanghulab-proxy \
-                    --env YUNWU_API_KEY='${{ secrets.YUNWU_API_KEY }}' \
-                    --env DEEPSEEK_API_KEY='${{ secrets.YUNWU_API_KEY }}' \
-                    2>/dev/null || \
+                export YUNWU_API_KEY='${{ secrets.YUNWU_API_KEY }}'
+                export DEEPSEEK_API_KEY='${{ secrets.YUNWU_API_KEY }}'
+                pm2 delete guanghulab-proxy 2>/dev/null || true
+                pm2 start api-proxy.js --name guanghulab-proxy 2>/dev/null || \
                   echo '⚠️ API 代理 pm2 启动失败'
-                # 更新环境变量（如果进程已存在）
-                pm2 env guanghulab-proxy 2>/dev/null && \
-                  pm2 restart guanghulab-proxy --update-env 2>/dev/null || true
               fi
 
               # 部署 backend 服务（Express API，端口 3000）