fix(评论弹窗): 修复评论总数未实时更新的问题

在提交评论和打开评论弹窗时，确保评论总数实时更新，以保持UI与数据一致性

@@ -86,7 +86,7 @@
                         <div class="flex flex-col h-full">
                             <!-- 固定头部 -->
                             <div class="flex-none px-4 py-3 border-b bg-white sticky top-0 z-10">
-                                <div class="text-lg font-medium">全部评论 ({{ popupCommentList.length }})</div>
+                                <div class="text-lg font-medium">全部评论 ({{ commentCount }})</div>
                             </div>
 
                             <!-- 可滚动的评论列表 -->
@@ -445,6 +445,15 @@ const submitPopupComment = async () => {
 
             // 更新评论数量和清空输入
             commentCount.value = data.comment_count;
+            // 更新弹框标题中的评论总数
+            const comment = await getGroupCommentListAPI({
+                group_id: course.value.group_id,
+                schedule_id: course.value.id
+            });
+            if (comment.code) {
+                commentList.value = comment.data.comment_list;
+                commentCount.value = comment.data.comment_count;
+            }
             popupComment.value = '';
         }
     } catch (error) {
@@ -452,13 +461,24 @@ const submitPopupComment = async () => {
     }
 };
 // 监听弹窗显示状态变化
-watch(showCommentPopup, (newVal) => {
+watch(showCommentPopup, async (newVal) => {
     if (newVal) {
         // 打开弹窗时重置状态
         popupCommentList.value = [];
         popupPage.value = 0;
         popupFinished.value = false;
         popupLoading.value = true;
+
+        // 获取最新的评论总数
+        const comment = await getGroupCommentListAPI({
+            group_id: course.value.group_id,
+            schedule_id: course.value.id
+        });
+        if (comment.code) {
+            commentList.value = comment.data.comment_list;
+            commentCount.value = comment.data.comment_count;
+        }
+
         // 加载第一页数据
         onPopupLoad();
     }