diff --git a/problems/0474.一和零.md b/problems/0474.一和零.md
index 7b46abee..72d62243 100644
--- a/problems/0474.一和零.md
+++ b/problems/0474.一和零.md
@@ -615,7 +615,7 @@ impl Solution {
     }
 }
 ```
-## C
+### C
 
 ```c
 #define max(a, b) ((a) > (b) ? (a) : (b))
diff --git a/problems/0494.目标和.md b/problems/0494.目标和.md
index 92616ed1..2e519b96 100644
--- a/problems/0494.目标和.md
+++ b/problems/0494.目标和.md
@@ -585,7 +585,7 @@ impl Solution {
     }
 }
 ```
-## C
+### C
 
 ```c
 int getSum(int * nums, int numsSize){