fix

@@ -257,7 +257,13 @@ export default {
       this.firstLoading = true;
       this.fetchComments();
     },
-    async onReply({commentId}) {
+    async onReply({destId, parentId}) {
+      const commentId = parentId || destId;
+
+      if (!commentId) {
+        return;
+      }
+
       const result = await this.fetchReplayList({
         commentId
       });

@@ -108,6 +108,7 @@ export default {
 
         this.$emit('on-comment', {
           destId: this.destId,
+          parentId: this.rootId || void 0,
           addType: this.addType,
           columnType: this.columnType,
           comment: {

@@ -377,7 +377,7 @@ export default {
   margin-top: -6px;
 }
 
-.detail-fixed-footer {
+.article-detail-long .detail-fixed-footer {
   width: 100%;
   position: fixed;
   bottom: 0;

@@ -274,7 +274,7 @@ export default {
   border-top: 1px solid #f0f0f0;
 }
 
-.detail-fixed-footer {
+.article-detail-notes .detail-fixed-footer {
   width: 100%;
   position: fixed;
   bottom: 0;