bug：修改问题

刘帅

2026-09-22 652951bd0ce1eebcae43221e50d4cfda99c10aba

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package com.dsh.course.mapper;
import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.dsh.course.entity.QrLink;
public interface QrLinkMapper extends BaseMapper<QrLink> {}