AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];
    manager.requestSerializer = [AFHTTPRequestSerializer serializer];
    manager.responseSerializer = [AFJSONResponseSerializer serializer];
    [manager.requestSerializer setValue:uin forHTTPHeaderField:@"uin"];
    [manager.requestSerializer setValue:ticket forHTTPHeaderField:@"ticket"];
    manager.responseSerializer.acceptableContentTypes = [NSSet setWithObject:@"application/json"];
    [manager POST:kUploadFileUrl
       parameters:nil constructingBodyWithBlock:^(id<AFMultipartFormData> formData) {
           if (isImage) {
               [formData appendPartWithFileData:fileData name:@"file" fileName:@"file.jpg" mimeType:@"image/jpg"];
           } else {
               [formData appendPartWithFileData:fileData name:@"file" fileName:@"file.mov" mimeType:@"video/quicktime"];
           }
    } success:^(AFHTTPRequestOperation *operation, id responseObject) {
        NSLog(@"%@",responseObject);
        complete(responseObject);
    } failure:^(AFHTTPRequestOperation *operation, NSError *error) {
        NSLog(@"%@",error);
    }];

如果報1066,1011的錯誤都是請求格式和返回格式的問題
解決方法就是添加

manager.requestSerializer = [AFHTTPRequestSerializer serializer];
manager.responseSerializer = [AFJSONResponseSerializer serializer];