1. 小程序已开通微信支付并且关联商户号；
2. appid 没有问题，小程序于服务端返回的一致；
3. 微信支付已经开通超过1天了；

wx.requestPayment 调用的时候提示如下

wx.requestPayment({
timeStamp: '1751442707',
nonceStr: 'e0b57015c8704fbaa0c600c6c3e5d5f3',
package: 'prepay_id=wx021551470894024d6a4caf1677dacd0000',
signType: 'MD5',
paySign: '8FE6A85616C5068CAB7A7479437B190D',
  success (res) { },
    fail (res) {
    	console.log(res.errMsg)
      }
})

{"errno":102,"errMsg":"requestPayment:fail jsapi has no permission, event=requestPayment, runningState=foreground, permissionMsg=permission got, detail=jsapi has been banned, appId=wxe24641c49b768991"}