后端修改

src/main/java/com/steerinfo/meterwork/meterworkoldandnew/mapper/MeterWorkOldAndNewMapper.java

@@ -1,6 +1,5 @@
 package com.steerinfo.meterwork.meterworkoldandnew.mapper;
 
-import com.sun.javafx.collections.MappingChange;
 import org.apache.ibatis.annotations.Mapper;
 
 import java.util.HashMap;