diff --git a/app/controllers/blog_comments_controller.rb b/app/controllers/blog_comments_controller.rb
index 54def4c1a..95790a68d 100644
--- a/app/controllers/blog_comments_controller.rb
+++ b/app/controllers/blog_comments_controller.rb
@@ -56,7 +56,7 @@ class BlogCommentsController < ApplicationController
   end
   def destroy
     @article = BlogComment.find(params[:id])
-    unless @article.children.empty? #如果是文章被删，那么跳转到用户博客界面
+    if @article.parent_id.nil? #如果是文章被删，那么跳转到用户博客界面
       @article.children.delete
       @article.delete
       redirect_to user_blogs_path(:user_id=>User.current)