fix：修复距离计算精度损失问题

935090232@qq.com

2022-04-20 281dc31c4a4d4e2cf266dd65a470c7d29e4e7332

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.showBox{
    background-color:rgba(0,0,0,0.6)!important; 
    color:#fff;
    
    border:none;
    
}