diff --git a/problems/0860.柠檬水找零.md b/problems/0860.柠檬水找零.md
index f48ecf4d..ffd5490d 100644
--- a/problems/0860.柠檬水找零.md
+++ b/problems/0860.柠檬水找零.md
@@ -157,7 +157,7 @@ class Solution {
 ```python
 class Solution:
     def lemonadeChange(self, bills: List[int]) -> bool:
-        five, ten, twenty = 0, 0, 0
+        five, ten = 0, 0
         for bill in bills:
             if bill == 5:
                 five += 1
@@ -169,10 +169,8 @@ class Solution:
                 if ten > 0 and five > 0:
                     ten -= 1
                     five -= 1
-                    twenty += 1
                 elif five > 2:
                     five -= 3
-                    twenty += 1
                 else:
                     return False
         return True