江河分页代码优化

src/views/water/river-station/statistic/site-day-avg.vue

@@ -306,8 +306,8 @@
       /* 刷新表格 */
       reload() {
         this.loading = true;
-        this.datasource = {};
         listWaterSiteMonthTotal(this.where).then((res) => {
+          this.datasource = {};
           if (res.data.code == 0) {
             this.$message.success(res.data.msg);
             this.datasource = res.data.data;