feat(messages): 添加点踩反馈功能并优化交互逻辑

src/views/portal/case/components/messages.vue

@@ -44,6 +44,7 @@
           <img :src="messageData.isLike == 1 ? require('@/assets/images/case/zan-yes.svg') : require('@/assets/images/case/zan.svg')"
             @click="toggleStar(1)" alt="zan" class="zan_img">
         </el-tooltip>
+        <el-tooltip class="item" effect="dark" content="点踩" placement="bottom">
         <el-popover placement="bottom" trigger="manual" v-model="caiDialogShow">
           <div class="feedback-class">
             <span>反馈</span>
@@ -58,11 +59,11 @@
           <div style="text-align: right; margin: 0">
             <el-button style="margin-top: 10px;" type="primary" size="mini" @click="handleSure">确定</el-button>
           </div>
-          <!-- 修改为根据 isLike 值判断状态，使用 == 而不是 === -->
           <img slot="reference"
             :src="messageData.isLike == -1 ? require('@/assets/images/case/cai-yes.svg') : require('@/assets/images/case/cai.svg')"
             @click="toggleStar(-1)" alt="cai" class="zan_img" style="margin-left:10px">
         </el-popover>
+      </el-tooltip>
       </div>
 
     </div>
@@ -195,6 +196,7 @@ export default {
       } else {
         newIsLike = type; 
         if (type === -1) {
+          this.feedbackText = ''
           this.caiDialogShow = true;
         } else {
           this.caiDialogShow = false;
@@ -221,6 +223,10 @@ export default {
     },
     // 确定
     handleSure() {
+    if(this.feedbackText == ''){
+      this.$message({ type: "error", message: "请输入反馈内容"});
+      return;
+    }
       let params = {
         docId: this.messageData.docId,
         feedback: this.feedbackText