fix：修复距离计算精度损失问题

935090232@qq.com

2022-04-20 281dc31c4a4d4e2cf266dd65a470c7d29e4e7332

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{
  "navigationBarTitleText": "优惠券",
  "navigationBarBackgroundColor": "#E13121",
  "backgroundTextStyle": "light",
  "navigationBarTextStyle": "white"
}