diff --git a/problems/0063.不同路径II.md b/problems/0063.不同路径II.md
index 78507a84..daf3d8c5 100644
--- a/problems/0063.不同路径II.md
+++ b/problems/0063.不同路径II.md
@@ -552,7 +552,7 @@ function uniquePathsWithObstacles(obstacleGrid: number[][]): number {
 
 // 版本二: dp改為使用一維陣列，從終點開始遍歷
 ```typescript
-function uniquePathsWithObstacles2(obstacleGrid: number[][]): number {
+function uniquePathsWithObstacles(obstacleGrid: number[][]): number {
   const m = obstacleGrid.length;
   const n = obstacleGrid[0].length;