diff --git a/shandan-control/src/main/java/com/keyware/shandan/control/controller/FIleRepairController.java b/shandan-control/src/main/java/com/keyware/shandan/control/controller/FIleRepairController.java
index f5011ac..58488ac 100644
--- a/shandan-control/src/main/java/com/keyware/shandan/control/controller/FIleRepairController.java
+++ b/shandan-control/src/main/java/com/keyware/shandan/control/controller/FIleRepairController.java
@@ -11,6 +11,7 @@ import com.keyware.shandan.frame.properties.CustomProperties;
 import com.keyware.shandan.system.entity.SysFile;
 import com.keyware.shandan.system.entity.SysFileChunk;
 import com.keyware.shandan.system.entity.SysSetting;
+import com.keyware.shandan.system.entity.SysUser;
 import com.keyware.shandan.system.service.SysFileService;
 import com.keyware.shandan.system.service.SysUserService;
 import com.keyware.shandan.system.utils.FileChunkUploadUtil;
@@ -76,7 +77,8 @@ public class FIleRepairController {
                     data.put("fileType", file.getFileType());
                     data.put("fileSize", file.getFileSize());
                     data.put("createTime", DateUtil.format(file.getModifyTime(), "yyyy-MM-dd HH:mm"));
-                    data.put("createUser", userService.getById(file.getModifyUser()).getUserName());
+                    SysUser user = userService.getById(file.getModifyUser());
+                    data.put("createUser", user == null ? file.getModifyUser() : user.getUserName());
                     fileMap.put(file.getId(), data);
                 }
             }