diff --git a/app/controllers/games_controller.rb b/app/controllers/games_controller.rb
index e6a592f51..58d7cc9c9 100644
--- a/app/controllers/games_controller.rb
+++ b/app/controllers/games_controller.rb
@@ -556,10 +556,18 @@ class GamesController < ApplicationController
     msg = @game.run_code_message
     msg.update_attributes(:status => 0, :message => nil) if msg.present?
 
-    # 更新时间是为了TPM端显示的更新，退出实训及访问实训的时候会更新
-    @myshixun.update_column(:updated_at, Time.now)
-
+    # 更新时间是为了TPM端显示的更新，退出实训及访问实训的时候会更新，如果版本库地址不存在，重新去版本库中找
+    myshixuns_update =
+        if @myshixun.repo_name.nil?
+          g = Gitlab.client
+          repo_name = g.project(@myshixun.gpid).path_with_namespace
+          {repo_name: repo_name}
+        else
+          {updated_at: Time.now}
+        end
+    @myshixun.update_attributes!(myshixuns_update)
     gitUrl = repo_ip_url @myshixun.repo_path
+
     logger.info("#############giturl: ##{gitUrl}")
     gitUrl = Base64.urlsafe_encode64(gitUrl)