diff --git a/problems/0001.两数之和.md b/problems/0001.两数之和.md
index 80218cb5..d40cade8 100644
--- a/problems/0001.两数之和.md
+++ b/problems/0001.两数之和.md
@@ -349,6 +349,7 @@ function twoSum(nums: number[], target: number): number[] {
         index = helperMap.get(target - nums[i]);
         if (index !== undefined) {
             resArr = [i, index];
+            break;
         }
         helperMap.set(nums[i], i);
     }