perf: 优化通用属性交互文案

pages/component/general-attribute/general-attribute.uvue

@@ -28,7 +28,7 @@
           <text class="btn-inner">{{ validateGeneralAttrText }}</text>
         </view>
         <view class="btn btn-ref uni-common-mt" @click="changeHeight">
-          <text class="btn-inner">通过 ref 修改高度</text>
+          <text class="btn-inner">{{changeHeightByRefText}}</text>
         </view>
         <view class="view-class" :hover-class="hoverClass" ref="view-target">
           <text class="text">按下 50 ms 后背景变红</text>
@@ -65,6 +65,7 @@ export default {
       validateGeneralAttrText: '验证基础属性',
       hoverClass: 'hover-class',
       validateViewAttrText: '验证 view 属性',
+      changeHeightByRefText: '通过 ref 修改高度',
     }
   },
   methods: {
@@ -99,6 +100,7 @@ export default {
     },
     changeHeight(){
       const generalTarget = this.$refs['general-target'] as Element
+      this.changeHeightByRefText = '已通过 ref 修改高度'
       generalTarget.style.setProperty('height', '200px')
     }
   },