!238 Data tracing, after frame selection, and then click to hide the data, the...

!238 Data tracing, after frame selection, and then click to hide the data, the hidden number is not displayed correctly
Merge pull request !238 from 秦君艳/master

mindinsight/ui/src/views/train-manage/data-traceback.vue

@@ -1110,9 +1110,6 @@ export default {
             this.showTable = false;
             this.echartNoData = true;
           } else {
-            const echartLength = this.echart.brushData.length;
-            this.recordsNumber = echartLength;
-            this.showNumber = echartLength;
             this.echart.showData = this.echart.brushData;
             this.initChart();
             this.pagination.currentPage = 1;
@@ -1121,6 +1118,9 @@ export default {
                 (this.pagination.currentPage - 1) * this.pagination.pageSize,
                 this.pagination.currentPage * this.pagination.pageSize,
             );
+            const tableLength = this.table.data.length;
+            this.recordsNumber = tableLength;
+            this.showNumber = tableLength;
             this.showTable = true;
           }
         }