diff --git a/serve.go b/serve.go
index d4ce138c1cc..16df38f420b 100644
--- a/serve.go
+++ b/serve.go
@@ -104,8 +104,6 @@ func runServ(k *cli.Context) {
 		repoName = repoName[:len(repoName)-4]
 	}
 
-	//os.Setenv("userName", user.Name)
-	//os.Setenv("userId", strconv.Itoa(int(user.Id)))
 	repo, err := models.GetRepositoryByName(user.Id, repoName)
 	var isExist bool = true
 	if err != nil {
@@ -116,8 +114,6 @@ func runServ(k *cli.Context) {
 			return
 		}
 	}
-	//os.Setenv("repoId", strconv.Itoa(int(repo.Id)))
-	//os.Setenv("repoName", repoName)
 
 	isWrite := In(verb, COMMANDS_WRITE)
 	isRead := In(verb, COMMANDS_READONLY)
@@ -187,13 +183,18 @@ func runServ(k *cli.Context) {
 	b := bytes.NewBufferString(s)
 
 	gitcmd.Stdout = io.MultiWriter(os.Stdout, b)
-	gitcmd.Stdin = io.MultiReader(os.Stdin, b)
+	//gitcmd.Stdin = io.MultiReader(os.Stdin, b)
+	gitcmd.Stdin = os.Stdin
 	gitcmd.Stderr = os.Stderr
 
 	if err = gitcmd.Run(); err != nil {
 		println("execute command error:", err.Error())
 	}
 
+	if !strings.HasPrefix(cmd, "git-receive-pack") {
+		return
+	}
+
 	// update
 	//w, _ := os.Create("serve.log")
 	//defer w.Close()