diff --git a/web/js/Project/project_display.js b/web/js/Project/project_display.js
index 42f0f4880f27a052b9c9d37cd201913b1bb9c1cb..5bb5937067af769ae536eb1c4f02c2875f5bb2c6 100644
--- a/web/js/Project/project_display.js
+++ b/web/js/Project/project_display.js
@@ -2,8 +2,11 @@
 
 //全局变量：当前登录用户的id
 var strcookie = document.cookie;
-var userIdStr = strcookie.split(";")[0];
-var userId = userIdStr.split("=")[1];
+var userId = 0;
+if(strcookie.length > 0){
+    var userIdStr = strcookie.split(";")[0];
+    userId = userIdStr.split("=")[1];
+}
 
 //全局变量: 选中用户的id，可能为0
 var url = window.location.href;