diff --git a/entry/src/main/ets/pages/UserInfo.ets b/entry/src/main/ets/pages/UserInfo.ets
index 821fb1dd..6a675a73 100644
--- a/entry/src/main/ets/pages/UserInfo.ets
+++ b/entry/src/main/ets/pages/UserInfo.ets
@@ -1278,7 +1278,7 @@ struct UserInfo {
                 if (this.systemParam.Param612Str == '1') {
                   return
                 }
-                if(Number(this.systemParam.Param835)<=Number(this.currentUser.yycs)){
+                if(this.systemParam.Param835&&this.currentUser.yycs&&Number(this.systemParam.Param835)<=Number(this.currentUser.yycs)){
                   this.type='4'
                   this.title='当前考生预约考试次数为'+this.currentUser.yycs
                   this.errorDialog.open()