diff --git a/problems/0347.前K个高频元素.md b/problems/0347.前K个高频元素.md
index 56dbaa33..60e6cee8 100644
--- a/problems/0347.前K个高频元素.md
+++ b/problems/0347.前K个高频元素.md
@@ -271,7 +271,7 @@ func (h *IHeap) Pop() interface{}{
 }
 
 
-//方法二:利用O(logn)排序
+//方法二:利用O(nlogn)排序
 func topKFrequent(nums []int, k int) []int {
     ans:=[]int{}
     map_num:=map[int]int{}