diff --git a/problems/0300.最长上升子序列.md b/problems/0300.最长上升子序列.md
index 478837cc..e8cb0b5f 100644
--- a/problems/0300.最长上升子序列.md
+++ b/problems/0300.最长上升子序列.md
@@ -106,6 +106,10 @@ public:
     }
 };
 ```
+* 时间复杂度: O(n^2)
+* 空间复杂度: O(n)
+
+
 
 ## 总结