坑了一波爹的问题就是太久没有写iOS的代码，写block的时候竟然忘记了换循环引用的问题，聊以自喂吧。
__weak typeof(self) weakSelf = self;
__weak typeof(webView) weakWeabView = webView;
[roundMenu setButtonClickBlock:^(NSInteger idx) {
NSLog(@"button %@ clicked !",@(idx));
switch (idx) {
case 0:
[weakSelf sharToWeChatButtonPress];
break;
case 1:
[weakWeabView reload];
break;
case 2:
[weakSelf.navigationController popToRootViewControllerAnimated:YES];
break;
default:
break;
}
}];
