objective-c - AFNetworking-3.x 分支编译不通过

Question

https://github.com/qiniu/objc-sdk/blob/AFNetworking-3.x/QiniuSDK%2FHttp%2FQNStats.m#L256

报错
Sending 'NSProgress __strong ' to parameter of incompatible type 'void (^ _Nullable)(NSProgress * _Nonnull __strong)'