UIButton设置左文字右图片

os8下 文字和图片重叠了，该怎么处理？原来的代码如下

_qyButton = [UIButton buttonWithType:UIButtonTypeCustom];

 _qyButton.frame = CGRectMake(0, 0, kDeviceWidth/3-4, 40);

 [_qyButton setTitle:[_qyArray objectAtIndex:0]  forState:UIControlStateNormal];

[_qyButton layoutIfNeeded];//添加刷新布局

 [_qyButton setTitleColor:[UIColor darkGrayColor] forState:UIControlStateNormal];

[_qyButton addTarget:self action:@selector(changeQy:) forControlEvents:UIControlEventTouchUpInside];

 [_qyButton setImage:[UIImage imageNamed:@"arrow_down"] forState:UIControlStateNormal];

[_qyButton setTitleEdgeInsets:UIEdgeInsetsMake(0, 10, 0, 10)];

[_qyButton setImageEdgeInsets:UIEdgeInsetsMake(0, _qyButton.titleLabel.bounds.size.width+paddingWidth,0, -_qyButton.titleLabel.bounds.size.width-paddingWidth)];