diff --git a/net/ghttp/ghttp_server.go b/net/ghttp/ghttp_server.go
index a731b31e6..0961cba70 100644
--- a/net/ghttp/ghttp_server.go
+++ b/net/ghttp/ghttp_server.go
@@ -128,7 +128,7 @@ func (s *Server) Start() error {
 		swaggerui.Init()
 		s.AddStaticPath(s.config.SwaggerPath, swaggerUIPackedPath)
 		s.BindHookHandler(s.config.SwaggerPath+"/*", HookBeforeServe, s.swaggerUI)
-		s.Logger().Debugf(
+		s.Logger().Infof(
 			ctx,
 			`swagger ui is serving at address: %s%s/`,
 			s.getListenAddress(),
diff --git a/os/gproc/gproc_comm.go b/os/gproc/gproc_comm.go
index 546142a16..b547d31d7 100644
--- a/os/gproc/gproc_comm.go
+++ b/os/gproc/gproc_comm.go
@@ -107,10 +107,12 @@ func getCommPidFolderPath() (folderPath string, err error) {
 				break
 			}
 		}
-		err = gerror.Newf(
-			`cannot find available folder for storing pid to port mapping files in paths: %+v`,
-			availablePaths,
-		)
+		if commPidFolderPath == "" {
+			err = gerror.Newf(
+				`cannot find available folder for storing pid to port mapping files in paths: %+v`,
+				availablePaths,
+			)
+		}
 	})
 	folderPath = commPidFolderPath
 	return