diff --git a/public/react/src/modules/page/MainContentContainer.js b/public/react/src/modules/page/MainContentContainer.js
index d24a5cefb..02bda180e 100644
--- a/public/react/src/modules/page/MainContentContainer.js
+++ b/public/react/src/modules/page/MainContentContainer.js
@@ -675,7 +675,7 @@ class MainContentContainer extends Component {
 		const timeOut = time_limit;
     	// http://localhost:3000/myshixuns/so5w6iap97/stages/zl6kx8f7vfpo/game_build?first=1&resubmit=GDBEX741_1993
     	// const game_build_url = `${locationPath}/game_build?first=${first}&resubmit=${resubmit}&content_modified=${content_modified}`
-    	const game_build_url = `/tasks/${game.identifier}/game_build.json?first=${first}&resubmit=${resubmit}&content_modified=${content_modified}&sec_key=${sec_key}`
+    	const game_build_url = `/tasks/${game.identifier}/game_build.json?first=${first}&resubmit=${resubmit}&content_modified=${!!content_modified ? 1 : 0}&sec_key=${sec_key}`
 
     	// var timeOut = parseInt(<%= @myshixun.main_mirror.try(:time_limit) %>); // 超时参数