diff --git a/solutions/54. Spiral Matrix.md b/solutions/54. Spiral Matrix.md
index 02d2ed3..31c26fc 100644
--- a/solutions/54. Spiral Matrix.md	
+++ b/solutions/54. Spiral Matrix.md	
@@ -83,7 +83,7 @@ public:
         vector<int>res;
         if(matrix.empty()) return res;
         int m = matrix.size(), n = matrix[0].size();
-        const vector<vector<int>>dirs{{0, 1}, {1, 0}, {0, -1}, {-1, 0}}; // 右、下、左、上
+        const vector<vector<int>>dirs{ {0, 1}, {1, 0}, {0, -1}, {-1, 0} }; // 右、下、左、上
         vector<int>steps{n, m-1}; 
     
         int iDir = 0;   // 方向的下标
@@ -99,4 +99,4 @@ public:
         return res;
     }
 };
-```
\ No newline at end of file
+```