diff --git a/electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/service/ImportPrjService.java b/electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/service/ImportPrjService.java
index 86b82d1..1ae77f8 100644
--- a/electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/service/ImportPrjService.java
+++ b/electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/service/ImportPrjService.java
@@ -4,7 +4,6 @@ import cn.hutool.core.lang.tree.Tree;
 import com.electromagnetic.industry.software.common.pojo.RespPageVO;
 import com.electromagnetic.industry.software.manage.pojo.req.ImportFileDirQueryVO;
 import com.electromagnetic.industry.software.manage.pojo.req.ImportFileInfoVO;
-import com.electromagnetic.industry.software.manage.pojo.resp.ImportPrjTreeVO;
 import jakarta.servlet.http.HttpServletResponse;
 import org.springframework.core.io.InputStreamResource;
 import org.springframework.http.ResponseEntity;
diff --git a/electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/service/serviceimpl/ImportPrjServiceImpl.java b/electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/service/serviceimpl/ImportPrjServiceImpl.java
index cc02a40..05e9f30 100644
--- a/electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/service/serviceimpl/ImportPrjServiceImpl.java
+++ b/electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/service/serviceimpl/ImportPrjServiceImpl.java
@@ -11,7 +11,6 @@ import cn.hutool.core.lang.tree.TreeUtil;
 import cn.hutool.core.text.StrFormatter;
 import cn.hutool.core.util.StrUtil;
 import cn.hutool.crypto.SecureUtil;
-import cn.hutool.json.JSONUtil;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.core.toolkit.Wrappers;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
@@ -33,6 +32,7 @@ import com.electromagnetic.industry.software.manage.pojo.resp.ImportPrjTreeVO;
 import com.electromagnetic.industry.software.manage.service.ImportPrjService;
 import jakarta.annotation.Resource;
 import jakarta.servlet.http.HttpServletResponse;
+import lombok.extern.slf4j.Slf4j;
 import org.mockito.internal.util.io.IOUtil;
 import org.springframework.core.io.FileSystemResource;
 import org.springframework.core.io.InputStreamResource;
@@ -52,6 +52,7 @@ import java.util.zip.ZipFile;
 
 import static com.electromagnetic.industry.software.common.cons.ElectromagneticConstants.*;
 
+@Slf4j
 @Service
 public class ImportPrjServiceImpl extends ServiceImpl<ImportPrjInfoMapper, ImportFileInfo> implements ImportPrjService {
 
@@ -146,7 +147,7 @@ public class ImportPrjServiceImpl extends ServiceImpl<ImportPrjInfoMapper, Impor
     public ResponseEntity<InputStreamResource> download(String id, HttpServletResponse response) {
         String fileName = "";
         ImportFileInfo fileInfo = this.baseMapper.selectById(id);
-        String fileSysPath = elePropertyConfig.getImportPrjPath() + File.pathSeparator + id;
+        String fileSysPath = elePropertyConfig.getImportPrjPath() + File.separator + id;
         String dbPath = fileInfo.getSrcPath();
         try {
             Assert.isTrue(FileUtil.exist(fileSysPath), "下载文件不存在，路径为 {}", dbPath);
@@ -218,6 +219,9 @@ public class ImportPrjServiceImpl extends ServiceImpl<ImportPrjInfoMapper, Impor
                 .eq(ImportFileInfo::getEffectFlag, EffectFlagEnum.EFFECT.code)
                 .eq(ImportFileInfo::getDataType, EleDataTypeEnum.FOLDER.code)
                 .likeRight(ImportFileInfo::getFilePath, prdId));
+        if (CollUtil.isEmpty(importFileInfos)) {
+            return null;
+        }
         TreeNodeConfig config = new TreeNodeConfig();
         config.setIdKey(ImportPrjTreeVO.Fields.id);
         config.setParentIdKey(ImportPrjTreeVO.Fields.parentId);
@@ -236,6 +240,7 @@ public class ImportPrjServiceImpl extends ServiceImpl<ImportPrjInfoMapper, Impor
         if (!StrUtil.equals(importFileInfo.getParentId(), ElectromagneticConstants.PRJ_PARENT_ID)) {
             return;
         }
+        importFileInfo.setFileType("zip");
         String fileName = importFileInfo.getFileName();
         for (int i = 0; i < 1000; ++i) {
             long count = this.baseMapper.selectCount(Wrappers.lambdaQuery(ImportFileInfo.class)