fix: popover滚动问题

develop/@gms/gms-plugin-billexpand/src/control/baseDataSelect/index.vue

 <template>
   <div class="rbc-basedata">
-    <el-popover trigger="manual" v-model="dataListShow" :visible-arrow="false" :width="searchPopperMinWidth">
+    <el-popover ref="popover" trigger="manual" v-model="dataListShow" :visible-arrow="false" :width="searchPopperMinWidth">
       <div class="select-box" slot="reference">
         <Input ref="searchInput" v-model="selectValue" :disabled="disabled" :readonly="readonly || multiple" :class="{'multiple-input': multiple && !readonly}" placeholder="" @on-change="handleChange" @on-focus="handleFocus" @on-blur="handleBlur" @keydown.down.native="handleSelectNext" @keydown.up.native="handleSelectPrev" @keydown.enter.native="handleSelected">
           <Icon type="ios-close-circle" :class="{'clear-icon': true, 'hidden-icon': disabled || readonly || !selectValue }" slot="suffix" @click="clearList" />
@@ -104,9 +104,38 @@ export default {
     }
   },
   mounted () {
+    this.addDomListener()
     addResizeListener(this.$el, this.handleResize)
   },
+  beforeDestroy() {
+    this.removeDomListener()
+  },
   methods: {
+    addDomListener() {
+      if (this.isVxe) {
+        let doms = document.querySelectorAll('.rootClass')
+        if (doms.length) {
+          doms.forEach(item => {
+            item.addEventListener('scroll', this.refreshPopover)
+          })
+        }
+      }
+    },
+    removeDomListener() {
+      if (this.isVxe) {
+        let doms = document.querySelectorAll('.rootClass')
+        if (doms.length) {
+          doms.forEach(item => {
+            item.removeEventListener('scroll', this.refreshPopover)
+          })
+        }
+      }
+    },
+    refreshPopover() {
+      if (this.dataListShow) {
+        this.$refs.popover.updatePopper()
+      }
+    },
     handleResize () {
      this.searchPopperMinWidth = this.$el.getBoundingClientRect().width
     },