diff --git a/tool/kratos-protoc/protoc.go b/tool/kratos-protoc/protoc.go
index 4943f733d..dc420a37b 100644
--- a/tool/kratos-protoc/protoc.go
+++ b/tool/kratos-protoc/protoc.go
@@ -101,10 +101,7 @@ func generate(ctx *cli.Context, protoc string) error {
 	cmd.Env = os.Environ()
 	cmd.Stdout = os.Stdout
 	cmd.Stderr = os.Stderr
-	if err := cmd.Run(); err != nil {
-		return err
-	}
-	return nil
+	return cmd.Run()
 }
 
 func goget(url string) error {