diff --git a/server/WebApi.cpp b/server/WebApi.cpp
index f575ba8d..261446aa 100755
--- a/server/WebApi.cpp
+++ b/server/WebApi.cpp
@@ -736,6 +736,7 @@ void installWebApi() {
             val["result"] = flag ? 0 : -1;
             val["msg"] = flag ? "success" : "close failed";
             val["code"] = flag ? API::Success : API::OtherFailed;
+            invoker(200, headerOut, val.toStyledString());
         });
     });