fix comment scroll

@@ -69,6 +69,7 @@ export default {
     },
     listTitle: String,
     scrollTop: Number,
+    scrollTo: Function,
     share: Boolean,
     posId: Number,
   },

@@ -81,6 +81,7 @@ export default {
     },
     listTitle: String,
     scrollTop: Number,
+    scrollTo: Function,
     share: Boolean,
     posId: Number,
   },
@@ -179,7 +180,7 @@ export default {
       this.$refs.commentList && this.$refs.commentList.addComment(comment);
     },
     toCommentList() {
-      if (this.data.commentCount) {
+      if (this.articleState.commentCount) {
         if (this.$refs.commentList && this.scrollTo) {
           this.scrollTo({scrollTop: this.$refs.commentList.$el.offsetTop - this.$refs.header.$el.offsetHeight});
         }