diff --git a/web/app/libs/uoj-query-lib.php b/web/app/libs/uoj-query-lib.php
index 7136303..fb8896f 100644
--- a/web/app/libs/uoj-query-lib.php
+++ b/web/app/libs/uoj-query-lib.php
@@ -273,4 +273,5 @@ function deleteBlog($id) {
 	DB::delete("delete from blogs_comments where blog_id = $id");
 	DB::delete("delete from important_blogs where blog_id = $id");
 	DB::delete("delete from blogs_tags where blog_id = $id");
+	DB::delete("DELETE FROM problems_solutions WHERE blog_id = $id");
 }