fix topic intro

@@ -176,7 +176,6 @@ export default {
                   let dom = this.$refs.commentList.getElementsByClassName('comment-' + this.commentId);
 
                   if (scrollHeight && dom.length && (dom[0].offsetHeight + dom[0].offsetTop > scrollHeight)) {
-                    console.log(scrollHeight - this.$refs.commentList.offsetHeight)
                     this.$refs.scroll.scrollTo(0, scrollHeight - this.$refs.commentList.offsetHeight);
                   }
                 }, 500);

@@ -146,7 +146,7 @@ export default {
         this.CHANGE_ARTICLE_LIST_INTRO_HEIGHT({
           articleId: this.data.articleId,
           introHeight: get(this.$refs, 'introPool.scrollHeight', 0) + 20,
-          introCollapseHeight: get(this.$refs, 'intro.scrollHeight', 0),
+          introCollapseHeight: get(this.$refs, 'intro.offsetHeight', 0),
           type: this.type
         });
       }