diff --git a/electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/controller/RepoEdFileInfoController.java b/electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/controller/RepoEdFileInfoController.java
index c456047..e46d505 100644
--- a/electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/controller/RepoEdFileInfoController.java
+++ b/electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/controller/RepoEdFileInfoController.java
@@ -158,7 +158,7 @@ public class RepoEdFileInfoController {
     }
 
     @UserOperation(value = "预览文件", modelName = UserOperationModuleEnum.REPO_PRJ_DATABASE)
-    @RequiredPermission(value = FilePermission.DOWNLOAD)
+    @RequiredPermission(value = FilePermission.PREVIEW)
     @RequestMapping(value = "preview", method = RequestMethod.GET)
     public ResponseEntity<InputStreamResource> preview(@RequestParam String id, HttpServletResponse response) {
         return edFileInfoService.preview(id, response, DataOwnEnum.REPO_FILE.code);
diff --git a/electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/controller/SysEdFileInfoController.java b/electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/controller/SysEdFileInfoController.java
index f1cf8b9..21d3316 100644
--- a/electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/controller/SysEdFileInfoController.java
+++ b/electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/controller/SysEdFileInfoController.java
@@ -158,7 +158,7 @@ public class SysEdFileInfoController {
     }
 
     @UserOperation(value = "预览文件", modelName = UserOperationModuleEnum.SYS_PRJ_DATABASE)
-    @RequiredPermission(value = FilePermission.DOWNLOAD)
+    @RequiredPermission(value = FilePermission.PREVIEW)
     @RequestMapping(value = "preview", method = RequestMethod.GET)
     public ResponseEntity<InputStreamResource> preview(@RequestParam String id, HttpServletResponse response) {
         return edFileInfoService.preview(id, response, DataOwnEnum.SYS_FILE.code);
diff --git a/electromagnetic-common/src/main/java/com/electromagnetic/industry/software/common/enums/FilePermission.java b/electromagnetic-common/src/main/java/com/electromagnetic/industry/software/common/enums/FilePermission.java
index 2d4742f..193e35f 100644
--- a/electromagnetic-common/src/main/java/com/electromagnetic/industry/software/common/enums/FilePermission.java
+++ b/electromagnetic-common/src/main/java/com/electromagnetic/industry/software/common/enums/FilePermission.java
@@ -15,7 +15,8 @@ public enum FilePermission {
     UPLOAD("upload", "上传"),
     DOWNLOAD("download", "下载"),
     IMPORT("import", "导入"),
-    EXPORT("export", "导出");
+    EXPORT("export", "导出"),
+    PREVIEW("preview", "预览");
 
     // 枚举属性
     private final String code;      // 权限代码