fix：修复距离计算精度损失问题

935090232@qq.com

2022-04-20 281dc31c4a4d4e2cf266dd65a470c7d29e4e7332

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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
 
<mapper namespace="com.matrix.system.hive.dao.AchieveRuleDao">
 
</mapper>