diff --git a/docs/notes/Leetcode 题解 - 搜索.md b/docs/notes/Leetcode 题解 - 搜索.md
index 6cd1bcde..d9c48eb7 100644
--- a/docs/notes/Leetcode 题解 - 搜索.md	
+++ b/docs/notes/Leetcode 题解 - 搜索.md	
@@ -1169,7 +1169,7 @@ public void solveSudoku(char[][] board) {
             colsUsed[j][num] = true;
             cubesUsed[cubeNum(i, j)][num] = true;
         }
-        backtracking(0, 0);
+    backtracking(0, 0);
 }
 
 private boolean backtracking(int row, int col) {