fix

library/httpserver/httpserver.go

@@ -41,12 +41,17 @@ func StartHttpServer(srv *http.Server, cfg *configcenter.DefaultConfig, ip strin
 
 	done := make(chan int)
 	go func() {
-		quit := make(chan os.Signal)
+		quit := make(chan os.Signal, 1)
 		signal.Notify(quit, syscall.SIGINT, syscall.SIGTERM)
 		for {
 			select {
 			case <-quit:
 				logger.Info("Shutdown Server ...")
+				for i := 0; i < 10; i++ {
+					logger.Info("__Shutdown sleep %v", i+1)
+					time.Sleep(time.Second)
+				}
+
 				if err := servicediscovery.DeRegister(ip, port); err != nil {
 					logger.Fatal("DeRegister fail: %v", err)
 				}