diff --git a/app/controllers/shixuns_controller.rb b/app/controllers/shixuns_controller.rb
index fbc5c18fb..7a2db0666 100644
--- a/app/controllers/shixuns_controller.rb
+++ b/app/controllers/shixuns_controller.rb
@@ -716,6 +716,7 @@ class ShixunsController < ApplicationController
 					logger.error("##########project_fork error #{e.message}")
 					@current_task.destroy!
 				end
+				raise ActiveRecord::Rollback
 			end
 		end
 	end