UI saliency-map / change the description displayed when the request data is empty

mindinsight/ui/src/locales/en-us.json

@@ -775,7 +775,8 @@
     "mainTipPartThree": "For details about how to generate saliency maps, see section 3.2 'Local Methods' in",
     "mainTipPartFour": "https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=9050829",
     "noExplainer": "Select Explanation Method",
-    "minConfidenceTip": "Probability threshold of a prediction tag. A tag is recorded as a prediction tag if its output probability is greater than the threshold. "
+    "minConfidenceTip": "Probability threshold of a prediction tag. A tag is recorded as a prediction tag if its output probability is greater than the threshold.",
+    "noData": "Loading data, please refresh the page later"
   },
   "metric": {
     "scoreSystem": "Scoring System",

mindinsight/ui/src/locales/zh-cn.json

@@ -784,7 +784,8 @@
     "mainTipPartThree": "主流生成显著图的解释方法可以参考论文3.2节Local Methods:",
     "mainTipPartFour": "https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=9050829",
     "noExplainer": "请选择解释方法",
-    "minConfidenceTip": "预测标签的概率阈值，当一个标签的输出概率大于阈值时就会被记为预测标签。"
+    "minConfidenceTip": "预测标签的概率阈值，当一个标签的输出概率大于阈值时就会被记为预测标签。",
+    "noData": "数据正在加载，请稍后刷新页面"
   },
   "metric": {
     "scoreSystem": "评分体系",

mindinsight/ui/src/views/explain/saliency-map.vue

@@ -143,7 +143,8 @@ limitations under the License.
         <el-table :data="tableData"
                   border
                   height="100%"
-                  :span-method="mergeTable">
+                  :span-method="mergeTable"
+                  :empty-text="$t('explain.noData')">
           <!-- Original Picture Column-->
           <el-table-column :label="$t('explain.originalPicture')"
                            width="270"