diff --git a/notes/57.1 和为 S 的两个数字.md b/notes/57.1 和为 S 的两个数字.md
index 8d15f13d..2f82aac4 100644
--- a/notes/57.1 和为 S 的两个数字.md	
+++ b/notes/57.1 和为 S 的两个数字.md	
@@ -20,7 +20,7 @@
 public ArrayList<Integer> FindNumbersWithSum(int[] nums, int target) {
     int i = 0, j = nums.length - 1;
     while (i < j) {
-        int cur = nums[i] + array[j];
+        int cur = nums[i] + nums[j];
         if (cur == target)
             return new ArrayList<>(Arrays.asList(nums[i], nums[j]));
         if (cur < target)