diff --git a/problems/0100.相同的树.md b/problems/0100.相同的树.md
index e4eb412a..df0a5dd1 100644
--- a/problems/0100.相同的树.md
+++ b/problems/0100.相同的树.md
@@ -159,7 +159,7 @@ public:
                 return false;
             }
             que.push(leftNode->left);   // 添加p节点的左子树节点
-            que.push(rightNode->left); // 添加q节点的左子树节点点
+            que.push(rightNode->left); // 添加q节点的左子树节点
             que.push(leftNode->right);  // 添加p节点的右子树节点
             que.push(rightNode->right);  // 添加q节点的右子树节点
         }
diff --git a/problems/1002.查找常用字符.md b/problems/1002.查找常用字符.md
index 82dbf4cf..723e5656 100644
--- a/problems/1002.查找常用字符.md
+++ b/problems/1002.查找常用字符.md
@@ -169,6 +169,7 @@ class Solution {
     }
 }
 ```
+Python
 ```python
 class Solution:
     def commonChars(self, words: List[str]) -> List[str]: