diff --git a/viewsh-module-infra/viewsh-module-infra-server/src/main/java/com/viewsh/module/infra/controller/admin/file/FileController.java b/viewsh-module-infra/viewsh-module-infra-server/src/main/java/com/viewsh/module/infra/controller/admin/file/FileController.java
index bdb32f3..d8ad04b 100644
--- a/viewsh-module-infra/viewsh-module-infra-server/src/main/java/com/viewsh/module/infra/controller/admin/file/FileController.java
+++ b/viewsh-module-infra/viewsh-module-infra-server/src/main/java/com/viewsh/module/infra/controller/admin/file/FileController.java
@@ -77,12 +77,7 @@ public class FileController {
     @Parameter(name = "id", description = "编号", required = true)
     @PreAuthorize("@ss.hasPermission('infra:file:query')")
     public CommonResult<FileRespVO> getFile(@RequestParam("id") Long id) {
-        FileRespVO respVO = BeanUtils.toBean(fileService.getFile(id), FileRespVO.class);
-        // 私有桶：对文件 URL 生成预签名访问地址
-        if (respVO != null && StrUtil.isNotEmpty(respVO.getUrl())) {
-            respVO.setUrl(fileService.presignGetUrl(respVO.getUrl(), null));
-        }
-        return success(respVO);
+        return success(BeanUtils.toBean(fileService.getFile(id), FileRespVO.class));
     }
 
     @DeleteMapping("/delete")
@@ -136,14 +131,7 @@ public class FileController {
     @PreAuthorize("@ss.hasPermission('infra:file:query')")
     public CommonResult<PageResult<FileRespVO>> getFilePage(@Valid FilePageReqVO pageVO) {
         PageResult<FileDO> pageResult = fileService.getFilePage(pageVO);
-        PageResult<FileRespVO> voPageResult = BeanUtils.toBean(pageResult, FileRespVO.class);
-        // 私有桶：对文件 URL 生成预签名访问地址
-        voPageResult.getList().forEach(vo -> {
-            if (StrUtil.isNotEmpty(vo.getUrl())) {
-                vo.setUrl(fileService.presignGetUrl(vo.getUrl(), null));
-            }
-        });
-        return success(voPageResult);
+        return success(BeanUtils.toBean(pageResult, FileRespVO.class));
     }
 
 }
diff --git a/viewsh-module-infra/viewsh-module-infra-server/src/main/java/com/viewsh/module/infra/controller/admin/file/vo/file/FileRespVO.java b/viewsh-module-infra/viewsh-module-infra-server/src/main/java/com/viewsh/module/infra/controller/admin/file/vo/file/FileRespVO.java
index 4435d18..74193b8 100644
--- a/viewsh-module-infra/viewsh-module-infra-server/src/main/java/com/viewsh/module/infra/controller/admin/file/vo/file/FileRespVO.java
+++ b/viewsh-module-infra/viewsh-module-infra-server/src/main/java/com/viewsh/module/infra/controller/admin/file/vo/file/FileRespVO.java
@@ -1,36 +1,38 @@
-package com.viewsh.module.infra.controller.admin.file.vo.file;
-
-import io.swagger.v3.oas.annotations.media.Schema;
-import lombok.Data;
-
-import java.time.LocalDateTime;
-
-@Schema(description = "管理后台 - 文件 Response VO,不返回 content 字段，太大")
-@Data
-public class FileRespVO {
-
-    @Schema(description = "文件编号", requiredMode = Schema.RequiredMode.REQUIRED, example = "1024")
-    private Long id;
-
-    @Schema(description = "配置编号", requiredMode = Schema.RequiredMode.REQUIRED, example = "11")
-    private Long configId;
-
-    @Schema(description = "文件路径", requiredMode = Schema.RequiredMode.REQUIRED, example = "viewsh.jpg")
-    private String path;
-
-    @Schema(description = "原文件名", requiredMode = Schema.RequiredMode.REQUIRED, example = "viewsh.jpg")
-    private String name;
-
-    @Schema(description = "文件 URL", requiredMode = Schema.RequiredMode.REQUIRED, example = "https://www.iocoder.cn/viewsh.jpg")
-    private String url;
-
-    @Schema(description = "文件MIME类型", example = "application/octet-stream")
-    private String type;
-
-    @Schema(description = "文件大小", example = "2048", requiredMode = Schema.RequiredMode.REQUIRED)
-    private Integer size;
-
-    @Schema(description = "创建时间", requiredMode = Schema.RequiredMode.REQUIRED)
-    private LocalDateTime createTime;
-
-}
+package com.viewsh.module.infra.controller.admin.file.vo.file;
+
+import com.viewsh.framework.web.core.presign.annotation.OssPresignUrl;
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.Data;
+
+import java.time.LocalDateTime;
+
+@Schema(description = "管理后台 - 文件 Response VO,不返回 content 字段，太大")
+@Data
+public class FileRespVO {
+
+    @Schema(description = "文件编号", requiredMode = Schema.RequiredMode.REQUIRED, example = "1024")
+    private Long id;
+
+    @Schema(description = "配置编号", requiredMode = Schema.RequiredMode.REQUIRED, example = "11")
+    private Long configId;
+
+    @Schema(description = "文件路径", requiredMode = Schema.RequiredMode.REQUIRED, example = "viewsh.jpg")
+    private String path;
+
+    @Schema(description = "原文件名", requiredMode = Schema.RequiredMode.REQUIRED, example = "viewsh.jpg")
+    private String name;
+
+    @Schema(description = "文件 URL", requiredMode = Schema.RequiredMode.REQUIRED, example = "https://www.iocoder.cn/viewsh.jpg")
+    @OssPresignUrl
+    private String url;
+
+    @Schema(description = "文件MIME类型", example = "application/octet-stream")
+    private String type;
+
+    @Schema(description = "文件大小", example = "2048", requiredMode = Schema.RequiredMode.REQUIRED)
+    private Integer size;
+
+    @Schema(description = "创建时间", requiredMode = Schema.RequiredMode.REQUIRED)
+    private LocalDateTime createTime;
+
+}