diff --git a/problems/0860.柠檬水找零.md b/problems/0860.柠檬水找零.md
index 1a5634b5..a18c008d 100644
--- a/problems/0860.柠檬水找零.md
+++ b/problems/0860.柠檬水找零.md
@@ -189,7 +189,6 @@ Javascript:
 var lemonadeChange = function(bills) {
     let fiveCount = 0
     let tenCount = 0
-    let twentyCount = 0
 
     for(let i = 0; i < bills.length; i++) {
         let bill = bills[i]
@@ -204,11 +203,9 @@ var lemonadeChange = function(bills) {
             }
         } else {
             if(tenCount > 0 && fiveCount > 0) {
-                twentyCount += 1
                 tenCount -= 1
                 fiveCount -= 1 
             } else if(fiveCount >= 3) {
-                twentyCount += 1
                 fiveCount -= 3
             } else {
                 return false