UIImage *img = [UIImage imageNamed:@"hoVV"];
    [_categoryBtn setImage:img forState:UIControlStateNormal];
    _categoryBtn.backgroundColor = [UIColor greenColor];
    CGRect rect = [_categoryBtn.titleLabel.text boundingRectWithSize:CGSizeMake(100000, 50) options:NSStringDrawingUsesLineFragmentOrigin  attributes:@{NSFontAttributeName:[FGLiveTools getFontWithType:FGBook size:60]} context:nil];
    [_categoryBtn setTitleEdgeInsets:UIEdgeInsetsMake(0, -img.size.width, 0, img.size.width)];
    [_categoryBtn setImageEdgeInsets:UIEdgeInsetsMake(0,rect.size.width+20, 0, -rect.size.width)];

btn.contentHorizontalAlignment = UIControlContentHorizontalAlignmentCenter;//使圖片和文字水平居中顯示
[btn setTitleEdgeInsets:UIEdgeInsetsMake(btn.imageView.frame.size.height ,-btn.imageView.frame.size.width, 0.0,0.0)];//文字距離上邊框的距離增加imageView的高度，距離左邊框減少imageView的寬度，距離下邊框和右邊框距離不變
[btn setImageEdgeInsets:UIEdgeInsetsMake(0.0, 0.0,0.0, -btn.titleLabel.bounds.size.width)];//圖片距離右邊框距離減少圖片的寬度，其它不邊