diff --git a/main/xiaozhi-server/app.py b/main/xiaozhi-server/app.py
index 0edb475b..48ca8c9c 100644
--- a/main/xiaozhi-server/app.py
+++ b/main/xiaozhi-server/app.py
@@ -51,8 +51,9 @@ async def main():
     # auth_key用于jwt认证，比如视觉分析接口的jwt认证
     auth_key = config.get("manager-api", {}).get("secret", "")
     if not auth_key or len(auth_key) == 0 or "你" in auth_key:
-        auth_key = str(uuid.uuid4().hex)
-    config["server"]["auth_key"] = auth_key
+        if not config["server"]["auth_key"]:
+            auth_key = str(uuid.uuid4().hex)
+            config["server"]["auth_key"] = auth_key
 
     # 添加 stdin 监控任务
     stdin_task = asyncio.create_task(monitor_stdin())