diff --git a/app/controllers/challenges_controller.rb b/app/controllers/challenges_controller.rb
index de3f68799..62f274224 100644
--- a/app/controllers/challenges_controller.rb
+++ b/app/controllers/challenges_controller.rb
@@ -45,17 +45,14 @@ class ChallengesController < ApplicationController
         jenkins_shixuns = Redmine::Configuration['jenkins_shixuns']
         params = {:challengeStage => "#{@challenge.position}", :challengeType => "#{@challenge.evaluation_way.to_i}", :challengeProgramName => "#{@challenge.exec_path}", :trainingID => "#{@shixun.id}", :operationEnvironment => @shixun.language}
         uri = URI("#{jenkins_shixuns}/jenkins-exec/game/generatePipelineScriptForChallenge")
-        if res['code'] == 0
+        res = uri_exec uri, {challengeInfo: params.to_json}
+        if res && res['code'] == 0
           @challenge.update_attribute(:pipeline_script, res['msg'])
           respond_to do |format|
             format.html {redirect_to shixun_challenge_path(@challenge, :shixun_id => @shixun)}
           end
         else
           logger.error("res['code'] is #{res['code']}, res['msg'] is #{res['msg']}")
-          # unless res['msg'].blank?
-          #   test_msg = Base64.decode64(res['msg'])
-          # end
-          # logger.info("###############{test_msg}")
           raise("脚本构建失败：本关执行文件名格式错误")
         end
       rescue Exception => e
@@ -124,7 +121,7 @@ class ChallengesController < ApplicationController
           params = {:challengeStage => "#{@challenge.position}", :challengeType => "#{@challenge.evaluation_way.to_i}", :challengeProgramName => "#{@challenge.exec_path}", :trainingID => "#{@shixun.id}", :operationEnvironment => @shixun.language}
           uri = URI("#{jenkins_shixuns}/jenkins-exec/game/generatePipelineScriptForChallenge")
           res = uri_exec uri, {challengeInfo: params.to_json}
-          if res['code'] == 0
+          if res && res['code'] == 0
             @challenge.update_attribute(:pipeline_script, res['msg'])
           else
             logger.error("res['code'] is #{res['code']}, res['msg'] is #{res['code']}")