diff --git a/problems/1005.K次取反后最大化的数组和.md b/problems/1005.K次取反后最大化的数组和.md
index 8bdd0f41..30718b13 100644
--- a/problems/1005.K次取反后最大化的数组和.md
+++ b/problems/1005.K次取反后最大化的数组和.md
@@ -117,11 +117,8 @@ class Solution {
 	}
 	// 如果K还大于0，那么反复转变数值最小的元素，将K用完
 	if (k % 2 == 1) nums[len - 1] = -nums[len - 1];
-	int result = 0;
-	for (int a : nums) {
-	    result += a;
-	}
-	return result;
+	
+	return Arrays.stream(nums).sum();
     }
 }
 ```