iOS微信授权手机号方式 发送短信之后，收不到授权回馈的链接短信

iOS微信授权手机号方式 

通过"

+ (void)sendAuthReq:(SendAuthReq *)req viewController:(UIViewController*)viewController delegate:(nullable id<WXApiDelegate>)delegate completion:(void (^ __nullable)(BOOL success))completion;

"

发送短信之后，收不到授权回馈的链接短信怎么办?