数据概览日期picker的bug修复

src/views/overview/Overview_Summary.vue

@@ -425,6 +425,9 @@ export default {
           query.endTime = this.dateCalculate(1);
           break;
         case 4: // 指定日期
+          if(this.dateRangeCreatedDate == null){
+            this.dateRangeCreatedDate = []
+          }
           query.beginTime = this.dateRangeCreatedDate[0];
           query.endTime = this.dateRangeCreatedDate[1];
         default: