diff --git a/psdc-ui/src/views/emonitor/db/index.vue b/psdc-ui/src/views/emonitor/db/index.vue
index 4d63632..979c660 100644
--- a/psdc-ui/src/views/emonitor/db/index.vue
+++ b/psdc-ui/src/views/emonitor/db/index.vue
@@ -268,7 +268,12 @@ export default {
         myChart2 = echarts.init(document.getElementById("myEcharts2"));
         myChart2.setOption({
           title: {},
-          legend:{},
+          legend:{
+            data:['当前功率'],
+            textStyle: {
+              color: "white" //标题的颜色
+            },
+          },
           tooltip: {
             trigger: "axis",
             show: true
@@ -331,6 +336,22 @@ export default {
                 color:'#2F8EE0'
               },
               symbol: "none", //去掉拐角点
+              markPoint: {
+                itemStyle: {
+                  normal: {
+                    label: {
+                      color: '#fff',
+                      // fontSize: 9
+                      // borderColor: '#000',
+                      // borderWidth: 1,
+                    }
+                  }
+                },
+                data: [
+                  {type: "max", name: "最大值"},
+                  {type: "min", name: "最小值"}
+                ]
+              },
             },
           ],
         });