diff --git a/walle/service/git/repo.py b/walle/service/git/repo.py
index 1fa319ec..e0d3b1a5 100644
--- a/walle/service/git/repo.py
+++ b/walle/service/git/repo.py
@@ -95,8 +95,9 @@ def init(self, url, branch="master"):
             os.makedirs(self.path)
         # git clone
         if self.is_git_dir():
-            self.checkout_2_branch(branch)
-            return self.pull()
+            #self.checkout_2_branch(branch)
+            #return self.pull()
+            return self.checkout_pull_branch(branch)
         else:
             return self.clone(url)
 
@@ -131,6 +132,16 @@ def checkout_2_branch(self, branch):
         '''
         PyRepo(self.path).git.checkout(branch)
 
+    def checkout_pull_branch(self, branch):
+        '''
+        切换到某个分支并拉取最新代码
+
+        @param branch:
+        @return:
+        '''
+        PyRepo(self.path).git.checkout(branch)
+        PyRepo(self.path).git.pull()
+
     def checkout_2_commit(self, branch, commit):
         '''
         切换分支的某个commit