延迟绘图，

src/views/sbxxgl/sblxgx/sblxtree/fullPage/index.vue

@@ -13,7 +13,6 @@
           <el-input    v-model="dqjd" placeholder="请输入查询节点">
           </el-input>
         </el-col>
-
         <el-col :span="2">
           <div class="padding-10 flex-center">
             <el-button @click="cx(true)" size='mini' type="primary">上游查询</el-button>
@@ -164,7 +163,7 @@
       change(val) {
 
         if (this.showList[val]) {
-          this.$nextTick(() => {
+          setTimeout(()=>{
             this.arrowLineList.forEach(item => item.remove())
             this.arrowLineList = []
             let name = this.showList[val].name
@@ -209,7 +208,9 @@
 
             this.arrowLineList.forEach(item => item.position())
             this.lxObj = this.showList[val]
-          })
+          },200)
+
+
 
         } else {
           this.arrowLineList.forEach(item => item.remove())