Signed-off-by: yukangzhe <382985154@qq.com>

pages/makePiano/makePiano.js

@@ -291,7 +291,7 @@ Page({
     let id = e.currentTarget.dataset.id;
     const index = e.currentTarget.dataset.index
 
-    if(this.data.schoolList[index].hasVisitNum + 1 >= this.data.schoolList[index].maxNum){
+    if(this.data.schoolList[index].hasVisitNum >= this.data.schoolList[index].maxNum){
       wx.hideLoading({
         success: (res) => {
           wx.showToast({