!240 In the case of no data, the traceability of the model has no data and the...

!240 In the case of no data, the traceability of the model has no data and the text is revised down. The div of echart-no-data before the modification is displayed, and it is not displayed after the modification.
Merge pull request !240 from 秦君艳/master

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

@@ -89,7 +89,7 @@ limitations under the License.
       <div id="echart"
            v-show="!noData && showEchartPic"></div>
       <div class="echart-no-data"
-           v-show="!showEchartPic">
+           v-show="!noData && !showEchartPic">
       </div>
       <div class="btns-container"
            v-show="showTable && !noData">
@@ -1198,7 +1198,9 @@ export default {
                 }
               },
           )
-          .catch(() => {});
+          .catch(() => {
+            this.noData = true;
+          });
     },
 
     /**