diff --git a/problems/0078.子集.md b/problems/0078.子集.md
index a1895eef..17c4fb5c 100644
--- a/problems/0078.子集.md
+++ b/problems/0078.子集.md
@@ -186,7 +186,6 @@ class Solution {
             result.add(new ArrayList<>());
             return result;
         }
-        Arrays.sort(nums);
         subsetsHelper(nums, 0);
         return result;
     }