fix: 重复 file 路径 Bug

yudao-module-infra/yudao-module-infra-biz/src/main/java/cn/iocoder/yudao/module/infra/dal/mysql/file/FileContentDAOImpl.java

@@ -1,11 +1,13 @@
 package cn.iocoder.yudao.module.infra.dal.mysql.file;
 
+import cn.hutool.core.collection.CollUtil;
 import cn.iocoder.yudao.framework.file.core.client.db.DBFileContentFrameworkDAO;
 import cn.iocoder.yudao.module.infra.dal.dataobject.file.FileContentDO;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import org.springframework.stereotype.Repository;
 
 import javax.annotation.Resource;
+import java.util.List;
 
 @Repository
 public class FileContentDAOImpl implements DBFileContentFrameworkDAO {
@@ -27,9 +29,9 @@ public class FileContentDAOImpl implements DBFileContentFrameworkDAO {
 
     @Override
     public byte[] selectContent(Long configId, String path) {
-        FileContentDO fileContentDO = fileContentMapper.selectOne(
+        List<FileContentDO> fileContentDOs = fileContentMapper.selectList(
                 buildQuery(configId, path).select(FileContentDO::getContent));
-        return fileContentDO != null ? fileContentDO.getContent() : null;
+        return CollUtil.isNotEmpty(fileContentDOs) ? CollUtil.getFirst(fileContentDOs).getContent() : null;
     }
 
     private LambdaQueryWrapper<FileContentDO> buildQuery(Long configId, String path) {