diff --git a/problems/0216.组合总和III.md b/problems/0216.组合总和III.md
index f631c3cd..f08d77ea 100644
--- a/problems/0216.组合总和III.md
+++ b/problems/0216.组合总和III.md
@@ -235,6 +235,8 @@ public:
     }
 };
 ```
+* 时间复杂度: O(n * 2^n)
+* 空间复杂度: O(n)
 
 # 总结