-(void)add{
ERWEIMAViewController * er =[ERWEIMAViewController new];
// [self presentViewController:tiao animated:YES completion:nil];
[self.navigationController pushViewController:er animated:YES];
}
-(void)add{
ERWEIMAViewController * er =[ERWEIMAViewController new];
// [self presentViewController:tiao animated:YES completion:nil];
[self.navigationController pushViewController:er animated:YES];
}