diff --git a/app/controllers/hack_user_lastest_codes_controller.rb b/app/controllers/hack_user_lastest_codes_controller.rb
index 9602673e5..a4b41a162 100644
--- a/app/controllers/hack_user_lastest_codes_controller.rb
+++ b/app/controllers/hack_user_lastest_codes_controller.rb
@@ -105,7 +105,7 @@ class HackUserLastestCodesController < ApplicationController
         else
           [{input: params[:input]}]
         end
-    testCases = Base64.urlsafe_encode64(test_sets.to_json)
+    testCases = Base64.encode64(test_sets.to_json)
     #codeFileContent = Base64.urlsafe_encode64(@my_hack.code)
     debug_params = {execMode: exec_mode,
                     tpiID: @my_hack.identifier,
diff --git a/app/controllers/hacks_controller.rb b/app/controllers/hacks_controller.rb
index aee4ba338..0a8a24f08 100644
--- a/app/controllers/hacks_controller.rb
+++ b/app/controllers/hacks_controller.rb
@@ -1,8 +1,9 @@
 class HacksController < ApplicationController
   before_action :require_login, except: [:index]
+  before_action :find_hack, only: [:edit, :update, :publish, :start, :update_set, :delete_set]
   before_action :require_teacher_identity, only: [:create, :update_set]
   before_action :require_auth_identity, only: [:update, :edit, :publish, :update_set, :delete_set]
-  before_action :find_hack, only: [:edit, :update, :publish, :start, :update_set, :delete_set]
+
 
   # 开启编程，如果第一次开启，创建一条记录，如果已经开启过的话，直接返回标识即可
   def start