NSString *path = @"/resource/getNotice";
NSString *UrlStr = [NSString stringWithFormat:@"%@%@",TCTHttpUrl,path];
NSDictionary *parameters = @{@"pageNo":@"1",@"pageSize":@"10"};
AFHTTPSessionManager *manager = [AFHTTPSessionManager manager];
manager.responseSerializer.acceptableContentTypes = nil; －－－－－－－》》》》》这个就是解决方法
[manager POST:UrlStr parameters:parameters progress:^(NSProgress * _Nonnull uploadProgress) {
} success:^(NSURLSessionDataTask * _Nonnull task, id _Nullable responseObject) {
NSLog(@"%@",responseObject);
} failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {
NSLog(@"%@",error);
}];