{"action":"opened","issue":{"url":"https://api.github.com/repos/CoderMJLee/MJExtension/issues/31","labels_url":"https://api.github.com/repos/CoderMJLee/MJExtension/issues/31/labels{/name}","comments_url":"https://api.github.com/repos/CoderMJLee/MJExtension/issues/31/comments","events_url":"https://api.github.com/repos/CoderMJLee/MJExtension/issues/31/events","html_url":"https://github.com/CoderMJLee/MJExtension/issues/31","id":65648803,"number":31,"title":"使用MJCodingImplementation在NSKeyedArchiver之后，如果模型新增属性，在NSKeyedUnarchiver时会崩溃","user":{"login":"cxmapp","id":8568955,"avatar_url":"https://avatars.githubusercontent.com/u/8568955?v=3","gravatar_id":"","url":"https://api.github.com/users/cxmapp","html_url":"https://github.com/cxmapp","followers_url":"https://api.github.com/users/cxmapp/followers","following_url":"https://api.github.com/users/cxmapp/following{/other_user}","gists_url":"https://api.github.com/users/cxmapp/gists{/gist_id}","starred_url":"https://api.github.com/users/cxmapp/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/cxmapp/subscriptions","organizations_url":"https://api.github.com/users/cxmapp/orgs","repos_url":"https://api.github.com/users/cxmapp/repos","events_url":"https://api.github.com/users/cxmapp/events{/privacy}","received_events_url":"https://api.github.com/users/cxmapp/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-04-01T09:57:47Z","updated_at":"2015-04-01T09:57:47Z","closed_at":null,"body":"/**\r\n *  设置成员变量的值\r\n */\r\n- (void)setValue:(id)value\r\n{\r\n    if (_type.KVCDisabled) return;\r\n    \r\n   // 在这边添加判断返回\r\n    if (value == nil) {\r\n        return;\r\n    }\r\n\r\n    // 这边value为nil时，会导致crash\r\n    [_srcObject setValue:value forKey:_propertyName];\r\n}"}}