问题修复

src/views/water/trend/lineFrom.vue

@@ -1,5 +1,5 @@
 <template>
-  <el-dialog center :visible.sync="visible"
+  <el-dialog center :visible.sync="visible" :before-close="handleClose"
              title="趋势图">
     <div class="line" id="line"></div>
     <span slot="footer" class="dialog-footer">
@@ -42,6 +42,9 @@
       this.getDetail()
     },
     methods: {
+      handleClose(){
+        this.$emit('handleClose')
+      },
       getDetail() {
         api.getDetail(this.id).then(res => {
           const chart = new G2.Chart({