diff --git a/src/pages/BaseMap/index.js b/src/pages/BaseMap/index.js
index 72457cd2..8d55ff45 100644
--- a/src/pages/BaseMap/index.js
+++ b/src/pages/BaseMap/index.js
@@ -102,6 +102,13 @@ class BaseMap extends React.Component {
         this.getAllProvince();
         this.createMap();
     }
+    componentWillUnmount = () => {
+        // 组件卸载时，清除地图
+        this.state.map.map.destroy();
+        this.state.map.destroy();
+        this.setState = null;
+        console.log('组件卸载时，清除地图');
+    }
     // 创建地图
     createMap = () => {
         const scene = new Scene({
@@ -128,6 +135,7 @@ class BaseMap extends React.Component {
             if (DistrictAdcode) {
                 this.onDistrictChange(DistrictAdcode, DistrictData);
             }
+            // 地图拖拽鼠标图标更改
             let can = document.getElementsByClassName('amap-layer')[0];
             can.addEventListener('mousedown', (e) => {
                 console.log('mousedown', can);