fix template lint (#57)

* fix template lint
* add godoc reference

README.md

@@ -1,6 +1,7 @@
 ![kratos](doc/img/kratos3.png)
 
 [![Language](https://img.shields.io/badge/Language-Go-blue.svg)](https://golang.org/)
+[![GoDoc](https://godoc.org/github.com/bilibili/kratos?status.svg)](https://godoc.org/github.com/bilibili/kratos)
 
 Kratos是[bilibili](https://www.bilibili.com)开源的一套Go微服务框架，包含大量微服务相关框架及工具：
 

tool/kratos/template.go

@@ -98,11 +98,15 @@ func main() {
 		switch s {
 		case syscall.SIGQUIT, syscall.SIGTERM, syscall.SIGINT:
 			ctx, cancel := context.WithTimeout(context.Background(), 35*time.Second)
-			defer cancel()
-			grpcSrv.Shutdown(ctx)
-			httpSrv.Shutdown(ctx)
+			if err := grpcSrv.Shutdown(ctx); err != nil 
+				log.Error("grpcSrv.Shutdown error(%v)", err)
+			} // grpc	
+			if err := httpSrv.Shutdown(ctx); err != nil {
+				log.Error("httpSrv.Shutdown error(%v)", err)
+			}
 			log.Info("{{.Name}} exit")
 			svc.Close()
+			cancel()
 			time.Sleep(time.Second)
 			return
 		case syscall.SIGHUP: