diff --git a/public/bigScreen/js/public.js b/public/bigScreen/js/public.js
index bd15831a7..13e42b229 100644
--- a/public/bigScreen/js/public.js
+++ b/public/bigScreen/js/public.js
@@ -91,7 +91,7 @@
         let _createTime = [];
         let _openDoorCount = [];
         _data.forEach(item => {
-            _createTime.push(item.createTime);
+            _createTime.push(item.cTime);
             _openDoorCount.push(item.count);
         });
         var app = {};