diff --git a/src/main/java/neatlogic/framework/crossover/IFileCrossoverService.java b/src/main/java/neatlogic/framework/crossover/IFileCrossoverService.java
index fe02267c64fea10679edb3ebf1a9fcf0fdd30ca2..1bb5f6142f2ab1b8f87e953a48c31dd46d1159f3 100644
--- a/src/main/java/neatlogic/framework/crossover/IFileCrossoverService.java
+++ b/src/main/java/neatlogic/framework/crossover/IFileCrossoverService.java
@@ -16,12 +16,16 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.*/
 package neatlogic.framework.crossover;
 
 import com.alibaba.fastjson.JSONObject;
+import neatlogic.framework.file.dto.FileVo;
 
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 import java.io.IOException;
 
 public interface IFileCrossoverService extends ICrossoverService {
+
+    FileVo getFileById(Long id);
+
     void downloadFile(JSONObject paramObj, HttpServletRequest request, HttpServletResponse response) throws Exception;
 
     /**
diff --git a/src/main/java/neatlogic/module/framework/service/FileServiceImpl.java b/src/main/java/neatlogic/module/framework/service/FileServiceImpl.java
index dda674565176c55887cace4419b1a210423842d2..58710da9089dac0bf99b03c442df7f0a26bfaa36 100644
--- a/src/main/java/neatlogic/module/framework/service/FileServiceImpl.java
+++ b/src/main/java/neatlogic/module/framework/service/FileServiceImpl.java
@@ -71,6 +71,11 @@ public class FileServiceImpl implements IFileCrossoverService {
     @Resource
     private FileMapper fileMapper;
 
+    @Override
+    public FileVo getFileById(Long id) {
+        return fileMapper.getFileById(id);
+    }
+
     @Override
     public void downloadFile(JSONObject paramObj, HttpServletRequest request, HttpServletResponse response) throws Exception {
         Long id = paramObj.getLong("id");