https://developers.weixin.qq.com/doc/oplatform/Mobile_App/WeChat_Login/Login_via_Scan.html

//  WeChatModule.h
#import <React/RCTBridgeModule.h>
#import <React/RCTEventEmitter.h>
#import <WechatAuthSDK.h>


@interface WeChatModule : RCTEventEmitter<RCTBridgeModule, WechatAuthAPIDelegate>

  @property (nonatomic, strong) WechatAuthSDK* wxAuthSdk;

@end

//  WeChatModule.m
#import "WeChatModule.h"
@implementation WeChatModule

- (instancetype)init {

    self = [super init];

    if (self) {

      self.wxAuthSdk = [[WechatAuthSDK alloc] init];

      [self.wxAuthSdk setDelegate:self];

    }
    return self;
}

RCT_EXPORT_MODULE();

RCT_EXPORT_METHOD(wxQRCodeLogin:(NSDictionary *)param :(RCTResponseSenderBlock)callback) {

  NSString *appId = [param objectForKey:@"appId"];

  NSString *nonceStr = [param objectForKey:@"nonceStr"];

  NSString *timeStamp = [param objectForKey:@"timeStamp"];

  NSString *scope = [param objectForKey:@"scope"];

  NSString *signature = [param objectForKey:@"signature"];

  NSString *schemeData = [param objectForKey:@"schemeData"];


  NSLog(@"===delegate: %@", _wxAuthSdk.delegate);

  [_wxAuthSdk StopAuth];

  BOOL done = [_wxAuthSdk Auth:appId nonceStr:nonceStr timeStamp: timeStamp scope:scope signature:signature schemeData:schemeData];

  callback(@[@(done)]);
}

- (void)onAuthGotQrcode:(UIImage *)image {

  NSLog(@"===onAuthGotQrcode");

  NSData *imageData = UIImagePNGRepresentation(image);

  if (imageData == nil) {

      imageData = UIImageJPEGRepresentation(image, 1);
  }

  [self sendEventWithName:@"onAuthGotQrcode" body:@{@"qrCode": imageData}];

}

//二维码被扫描

- (void)onQrcodeScanned {

  NSLog(@"===onQrcodeScanned");

  [self sendEventWithName:@"onQrcodeScanned" body:@{}];

}


//成功登录

- (void)onAuthFinish:(int)errCode AuthCode:(nullable NSString *)authCode {

  NSLog(@"===onAuthFinish");

  [self sendEventWithName:@"onAuthFinish" body:@{@"authCode": authCode, @"errCode": @(errCode)}];

}

- (NSArray<NSString *> *)supportedEvents
{
  return @[@"onAuthGotQrcode", @"onQrcodeScanned", @"onAuthFinish"];
}

@end

运行后，打印了，xcode的output中打印了如下结果：

===delegate: <WeChatModule: 0x2813afae0>

---getWeChatLoginQRCode callback //js 代码里也在callback被执行时打印了

但是===onAuthGotQrcode一直没有被打印，也没有显示任何错误，请问有人知道是什么问题吗？

iOS 13.3，xcode14.2， WechatAuthSDK的sdkversion 2.0, "react-native-wechat-lib": "1.1.26"