Objectivec iOS 10 中的错误：无法从 https：mesu.apple.comassets 复制assets资源信息以获取assets资源类型

2016-10-05 13:36:21.383340 MyApp[1867:72704] 0x60000015e350 Copy matching assets reply: XPC_TYPE_DICTIONARY  <dictionary: 0x60000015e350> { count = 1, transaction: 0, voucher = 0x0, contents =
    "Result" => <int64: 0x600000226fe0>: 29
}
2016-10-05 13:36:21.385076 MyApp[1867:72704] 0x608000556420 Daemon configuration query reply: XPC_TYPE_DICTIONARY  <dictionary: 0x608000556420> { count = 2, transaction: 0, voucher = 0x0, contents =
    "Dictionary" => <dictionary: 0x6080005566e0> { count = 1, transaction: 0, voucher = 0x0, contents =
        "ServerURL" => <dictionary: 0x608000556790> { count = 3, transaction: 0, voucher = 0x0, contents =
            "com.apple.CFURL.magic" => <uuid: 0x60800024f720> C1234DCC-2276-5214-B6C1-FD9F5191212
            "com.apple.CFURL.string" => <string: 0x608000241ce0> { length = 30, contents = "https://mesu.apple.com/assets/" }
            "com.apple.CFURL.base" => <null: 0x112e42f20>: null-object
        }
    }
    "Result" => <int64: 0x6080004241e0>: 0
}
2016-10-05 13:36:21.385693 MyApp[1867:72704] [MobileAssetError:29] Unable to copy asset information from https://mesu.apple.com/assets/ for asset type com.apple.MobileAsset.TextInput.SpellChecker

我用的是xcode 8版和ios 10版.如果，我在ios 9.3中使用project，它可以正常工作，但当我在ios 10中使用相同的project时，会出现Unable to copy asset information..错误消息.