diff --git a/app/controllers/gits_controller.rb b/app/controllers/gits_controller.rb
index e94c197ed..0d949a1a2 100644
--- a/app/controllers/gits_controller.rb
+++ b/app/controllers/gits_controller.rb
@@ -49,7 +49,8 @@ class GitsController < ApplicationController
             shixunname = git_url.split("/")[1].split(".")[0]
             repo_name = username + "/" + shixunname
             uid_logger("git start: repo_name is #{repo_name}")
-            shixun = Shixun.select([:id, :user_id, :repo_name, :identifier]).where(repo_name: repo_name).first
+            user_id = User.find_by_login(username)
+            shixun = Shixun.select([:id, :user_id, :repo_name, :identifier]).where(repo_name: repo_name, user_id: user_id).first
             uid_logger("git start auth: shixun identifier is #{shixun.try(:identifier)}")
             uid_logger("git start auth: systemuser is #{system_user.try(:login)}")