修改代码

hdApp/src/pagesPurchase/wechatPay.vue

@@ -145,7 +145,7 @@ export default {
     _balancePay () {
       let self = this
       if (this.getLoginInfo.payPassword) {
-        this.keyShow = true
+        self.keyShow = true
       } else {
         uni.showModal({
           title: '',