fix: KPI指标表格头提示信息

src/views/perfManage/goldTarget/index.vue

@@ -1106,6 +1106,39 @@ onBeforeUnmount(() => {
                   </a-tooltip>
                 </span>
               </template>
+              <template v-if="column.key === 'avg'">
+                <span>
+                  {{ t('views.perfManage.kpiOverView.avgValue') }}
+                  <a-tooltip placement="bottom">
+                    <template #title>
+                      <span>Average value over the time range</span>
+                    </template>
+                    <InfoCircleOutlined />
+                  </a-tooltip>
+                </span>
+              </template>
+              <template v-if="column.key === 'max'">
+                <span>
+                  {{ t('views.perfManage.kpiOverView.maxValue') }}
+                  <a-tooltip placement="bottom">
+                    <template #title>
+                      <span>Maximum value in time range</span>
+                    </template>
+                    <InfoCircleOutlined />
+                  </a-tooltip>
+                </span>
+              </template>
+              <template v-if="column.key === 'min'">
+                <span>
+                  {{ t('views.perfManage.kpiOverView.minValue') }}
+                  <a-tooltip placement="bottom">
+                    <template #title>
+                      <span>Minimum value in the time range</span>
+                    </template>
+                    <InfoCircleOutlined />
+                  </a-tooltip>
+                </span>
+              </template>
             </template>
           </a-table>
         </div>