diff --git a/website/content/ChapterFour/0001~0099/0001.Two-Sum.md b/website/content/ChapterFour/0001~0099/0001.Two-Sum.md
index d84bc7af1..d1881f3a4 100644
--- a/website/content/ChapterFour/0001~0099/0001.Two-Sum.md
+++ b/website/content/ChapterFour/0001~0099/0001.Two-Sum.md
@@ -39,8 +39,8 @@ func twoSum(nums []int, target int) []int {
 	m := make(map[int]int)
 	for i := 0; i < len(nums); i++ {
 		another := target - nums[i]
-		if _, ok := m[another]; ok {
-			return []int{m[another], i}
+		if index, ok := m[another]; ok {
+			return []int{index, i}
 		}
 		m[nums[i]] = i
 	}