diff --git a/zt-module-infra/zt-module-infra-server/src/main/java/com/zt/plat/module/infra/controller/admin/file/FileController.java b/zt-module-infra/zt-module-infra-server/src/main/java/com/zt/plat/module/infra/controller/admin/file/FileController.java
index 3e812f1b..f33232bc 100644
--- a/zt-module-infra/zt-module-infra-server/src/main/java/com/zt/plat/module/infra/controller/admin/file/FileController.java
+++ b/zt-module-infra/zt-module-infra-server/src/main/java/com/zt/plat/module/infra/controller/admin/file/FileController.java
@@ -85,6 +85,7 @@ public class FileController {
             String baseUrl = buildPublicBaseUrl(request); // 见下方函数
             String decryptUrl = baseUrl + "/admin-api/infra/file/preview-decrypt?fileId=" + fileId + "&token=" + token;
             fileRespVO.setUrl(decryptUrl);
+            log.info("decryptUrl={}, urlFieldAfterSet={}", decryptUrl, fileRespVO.getUrl());
         }
 
         return success(fileRespVO);
diff --git a/zt-module-infra/zt-module-infra-server/src/main/java/com/zt/plat/module/infra/controller/admin/file/vo/file/FileRespVO.java b/zt-module-infra/zt-module-infra-server/src/main/java/com/zt/plat/module/infra/controller/admin/file/vo/file/FileRespVO.java
index 8431c7c2..4f91dd74 100644
--- a/zt-module-infra/zt-module-infra-server/src/main/java/com/zt/plat/module/infra/controller/admin/file/vo/file/FileRespVO.java
+++ b/zt-module-infra/zt-module-infra-server/src/main/java/com/zt/plat/module/infra/controller/admin/file/vo/file/FileRespVO.java
@@ -64,6 +64,8 @@ public class FileRespVO {
     private String previewUrl;
 
     public String getPreviewUrl() {
+        log.info("GET /infra/file/get this.downloadable={}, this.url={}, isEncrypted={}",
+                this.downloadable, this.url, this.isEncrypted);
         // 不可下载不返回 previewUrl
         if (Boolean.FALSE.equals(this.downloadable) ) {
             return null;