diff --git a/problems/1002.查找常用字符.md b/problems/1002.查找常用字符.md
index 9ec3c6c4..a53148b3 100644
--- a/problems/1002.查找常用字符.md
+++ b/problems/1002.查找常用字符.md
@@ -16,6 +16,7 @@
 
 输入：words = ["bella","label","roller"]
 输出：["e","l","l"]
+
 示例 2：
 
 输入：words = ["cool","lock","cook"]