diff --git a/src/leetcode/editor/cn/[1]两数之和.java b/src/leetcode/editor/cn/[1]两数之和.java
index 3a8da59..d955652 100644
--- a/src/leetcode/editor/cn/[1]两数之和.java
+++ b/src/leetcode/editor/cn/[1]两数之和.java
@@ -49,7 +49,17 @@
 //leetcode submit region begin(Prohibit modification and deletion)
 class Solution {
     public int[] twoSum(int[] nums, int target) {
-        
+        for(int i=0;i<nums.length;i++){
+            int num1 = nums[i];
+            for(int j=i+1;j<nums.length;j++){
+                int num2 = nums[j];
+                if(num1 + num2 == target){
+                    int[] answer  = {i,j};
+                    return answer;
+                }
+            }
+        }
+        return null;
     }
 }
 //leetcode submit region end(Prohibit modification and deletion)