style:添加合适的注释

cloud-modules/cloud-modules-breakdown/src/main/java/com/muyu/breakdown/controller/SysCarFaultController.java

@@ -72,7 +72,7 @@ public class SysCarFaultController extends BaseController
     public Result<Integer> add(
             @Validated @RequestBody SysCarFault sysCarFault)
     {
-
+        //判断故障码是否重复
         SysCarFault selectFaultByFaultCode = sysCarFaultService.selectFaultByFaultCode(sysCarFault.getFaultCode());
         if (selectFaultByFaultCode!=null){
             return error("新增车辆故障 ,故障码已存在");

cloud-modules/cloud-modules-breakdown/src/main/java/com/muyu/breakdown/mapper/SysCarFaultMapper.java

@@ -16,6 +16,7 @@ import java.util.List;
 @Mapper
 public interface SysCarFaultMapper extends BaseMapper<SysCarFault>{
 
+    //根据添加的故障码进行查询
     @Select("select fault_code from sys_car_fault where fault_code=#{faultCode}")
      SysCarFault selectFaultByFaultCode(String faultCode);
 }

cloud-modules/cloud-modules-breakdown/src/main/java/com/muyu/breakdown/service/SysCarFaultService.java

@@ -29,7 +29,7 @@ public interface SysCarFaultService extends IService<SysCarFault> {
     public List<SysCarFault> selectSysCarFaultList(SysCarFault sysCarFault);
 
     /**
-     * 判断 车辆故障管理 faultCode是否唯一
+     * 判断 车辆故障管理 faultCode(故障码)是否唯一
      * @param faultCode 车辆故障管理
      * @return 结果
      */