diff --git a/src/views/ems/record/recordIOTInstant/index.vue b/src/views/ems/record/recordIOTInstant/index.vue
index 229573a..d93dd38 100644
--- a/src/views/ems/record/recordIOTInstant/index.vue
+++ b/src/views/ems/record/recordIOTInstant/index.vue
@@ -402,6 +402,7 @@ export default {
     };
   },
   created() {
+    //时间范围从昨天8:00:00到今天8:00:00
     const nowDate = new Date();
     const today = parseTime(new Date(), '{y}-{m}-{d}')
     const lastDate = new Date();