fix: msg不允许为空

wl

2022-12-23 b680856aa7a5c7225fae1ea81f2706f10437f373

 src/main/java/com/example/jz/modle/dto/AddReportDto.java

@@ -1,5 +1,6 @@
package com.example.jz.modle.dto;

import com.alibaba.excel.annotation.ExcelProperty;
import com.example.jz.modle.entity.Report;
import io.swagger.annotations.ApiModelProperty;
import lombok.AllArgsConstructor;