调整

app/controllers/welcome_controller.rb

@@ -115,9 +115,7 @@ class WelcomeController < ApplicationController
               # 先同步实训
               local_shixun = LocalShixun.where(id: local_stage_shixun.local_shixun_id).first
               shixun = _local_to_shixun(local_shixun) if local_shixun.present?
-              puts("#############local_shixun_id#{local_shixun.id}")
-              puts("#############shixun_id#{shixun.id}")
-
+              if shixun
                 new_stage_shixun = StageShixun.new
                 new_stage_shixun.position = local_stage_shixun.position
                 new_stage_shixun.stage_id = new_stage.id
@@ -127,6 +125,7 @@ class WelcomeController < ApplicationController
               end
             end
           end
+        end
         subject_list << subject.id
       end
       render :json => {status: 0, message: "success", identifier: subject_list}