uniapp微信支付失败，签名效验已通过

let time = ((new Date().getTime())/1000).toFixed(0);  
                                        let resobj=res.data.data  
                                        console.log(res.data);  
                                        let payInfo={  
                                            nonceStr: resobj.nonce_str,  
                                            prepayid:'prepay_id=' resobj.prepay_id,  
                                            paySign:'39BB21E37D856F21C2DD1BCA26C43FFACA7FF3F8381E7DE41D96778420395FA3',  
                                            signType:'MD5',  
                                            timeStamp:time,               
                                        }  
                                        console.log(payInfo,2);  
                                        uni.requestPayment({  
                                            provider: 'wxpay',  
                                            orderInfo: payInfo, //微信订单数据（Object类型）  
                                            success: res=>{  
                                                console.log(res);  
                                                uni.hideLoading();  
                                                    uni.showToast({title: '支付成功',icon:'none'})  
                                            },  
                                            complete(q) {  
                                                console.log(q,'123');  
                                            },  
                                            fail:err=>{  
                                                console.log(res,'支付失败');  
                                                uni.hideLoading();  
                                                uni.showToast({title: '支付失败，请稍后再试',icon:'none'})  
                                            }  
                                        });