diff --git a/app/controllers/games_controller.rb b/app/controllers/games_controller.rb
index e180ee781..bd35b5a4d 100644
--- a/app/controllers/games_controller.rb
+++ b/app/controllers/games_controller.rb
@@ -36,13 +36,13 @@ class GamesController < ApplicationController
     # 默认打开文件
     logger.info("repository id is #{@repository.id}, repository's shixun_id =#{@repository.myshixun_id} shixun_id =#{@repository.shixun_id}, project_id => #{@repository.project_id}")
     # 验证challenge文件名的合法性
-    if !challenge_path.blank? && challenge_path.include?(".") && @path.include?(".") && @type != "root"
+    if @path.blank? && !challenge_path.blank? && challenge_path.include?(".") && @type != "root"
       @path = challenge_path.strip
       file_content = @g.files(@myshixun.gpid, @path, @rev).content
       if file_content.blank?
         # gitlab缺陷：forked完成，短暂时间内取不了内容的，所以做一个小轮询，间隔0.1秒
         # 超过2秒则失败，需通过页面刷新
-        for i in 0..10 do
+        for i in 0..20 do
           sleep(0.1)
           file_content = @g.files(@myshixun.gpid, @path, @rev).content
           unless file_content.blank?