diff --git a/solutions/62. Unique Paths.md b/solutions/62. Unique Paths.md
index 0fceb11..04d5a75 100644
--- a/solutions/62. Unique Paths.md	
+++ b/solutions/62. Unique Paths.md	
@@ -40,7 +40,7 @@ public:
 };
 ```
 ### 空间改进版1
-```
+``` C++
 class Solution {
 public:
     int uniquePaths(int m, int n) {
@@ -58,7 +58,7 @@ public:
 };
 ```
 ### 空间改进版2
-```
+``` C++
 class Solution {
 public:
     int uniquePaths(int m, int n) {