diff --git a/fix/gitlab_fix_main.go b/fix/gitlab_fix_main.go
index cde5a9b..505db7b 100644
--- a/fix/gitlab_fix_main.go
+++ b/fix/gitlab_fix_main.go
@@ -33,13 +33,15 @@ func (t *FixParams) GitlabFix() (PrUrl string, preview []Preview, err error) {
 	if err != nil {
 		return
 	}
-	exist, existErr := CheckBranchExist(ctx, repoPath, t.Branch)
-	if existErr != nil && existErr.Error() != "无法获得检测分支" {
-		err = existErr
-		return
-	}
-	if exist {
-		defBranch = t.Branch
+	if defBranch != t.Branch {
+		exist, existErr := CheckBranchExist(ctx, repoPath, t.Branch)
+		if existErr != nil && existErr.Error() != "无法获得检测分支" {
+			err = existErr
+			return
+		}
+		if exist {
+			defBranch = t.Branch
+		}
 	}
 	// 设置git邮箱和用户名
 	_, err = RunGitCommand(ctx, repoPath, "git", "config", "user.email", t.UserEmail)