diff --git a/base/src/main/java/com/tinyengine/it/controller/ResourceController.java b/base/src/main/java/com/tinyengine/it/controller/ResourceController.java
index c3095335..3a020c03 100644
--- a/base/src/main/java/com/tinyengine/it/controller/ResourceController.java
+++ b/base/src/main/java/com/tinyengine/it/controller/ResourceController.java
@@ -202,7 +202,6 @@ public Result<Resource> resourceUpload(@RequestParam MultipartFile file) throws
         resource.setName(fileName);
         resource.setResourceData(base64);
         resource.setAppId(loginUserContext.getAppId());
-        resource.setCategory("image");
         Resource result = resourceService.resourceUpload(resource);
         return Result.success(result);
     }
@@ -308,7 +307,7 @@ public Result<Resource> detail(@PathVariable Integer id) {
     @SystemControllerLog(description = "获取资源")
     @GetMapping("/resource/download")
     public void getResource(@RequestParam String name, @RequestParam boolean isResource,
-        HttpServletResponse response) throws Exception {
+        @RequestParam(required = false) boolean isChat, HttpServletResponse response) throws Exception {
         Resource resource = resourceService.queryResourceByName(name);
         if(resource == null) {
             throw new ServiceException(ExceptionEnum.CM009.getResultCode(),ExceptionEnum.CM009.getResultMsg());
@@ -326,11 +325,12 @@ public void getResource(@RequestParam String name, @RequestParam boolean isResou
         response.setContentType(detectedType);
 
         // 只使用 filename* 格式，避免中文字符直接出现在header中
-        response.setHeader("Content-Disposition",
-                "inline; filename*=UTF-8''" + encodedFileName);
+        response.setHeader("Content-Disposition", "inline; filename*=UTF-8''" + encodedFileName);
+        if(isChat){
+            response.setHeader("Content-Disposition", "attachment ; filename*=UTF-8''" + encodedFileName);
+        }
         try (OutputStream out = response.getOutputStream()) {
             out.write(imageBytes);
         }
     }
-
 }
diff --git a/base/src/main/java/com/tinyengine/it/service/material/impl/ResourceServiceImpl.java b/base/src/main/java/com/tinyengine/it/service/material/impl/ResourceServiceImpl.java
index 53a398f4..c868c174 100644
--- a/base/src/main/java/com/tinyengine/it/service/material/impl/ResourceServiceImpl.java
+++ b/base/src/main/java/com/tinyengine/it/service/material/impl/ResourceServiceImpl.java
@@ -174,15 +174,19 @@ public Resource createResource(Resource resource) throws Exception {
     @Override
     @SystemServiceLog(description = "图片上传")
     public Resource resourceUpload(Resource resource) {
-        String imageName = Instant.now().toEpochMilli()+resource.getName();
+        String imageName = Instant.now().toEpochMilli() + resource.getName();
         resource.setName(imageName);
         String resourceData = resource.getResourceData();
         String tinyEngineUrl = System.getenv("TINY_ENGINE_URL");
-
+        String encodedName = URLEncoder.encode(imageName, StandardCharsets.UTF_8);
+        String resourceUrl = tinyEngineUrl + "?name=" + encodedName + "&isResource=" + true;
+        String thumbnailUrl = tinyEngineUrl + "?name=" + encodedName + "&isResource=" + false;
+        if (resource.getCategory() == null) {
+            resourceUrl = tinyEngineUrl + "?name=" + encodedName + "&isResource=" + true + "&isChat=" + true;
+            thumbnailUrl = tinyEngineUrl + "?name=" + encodedName + "&isResource=" + false + "&isChat=" + true;
+            resource.setCategory("image");
+        }
         if (!StringUtils.isEmpty(resourceData)) {
-            String encodedName = URLEncoder.encode(imageName, StandardCharsets.UTF_8);
-            String resourceUrl = tinyEngineUrl + "?name=" + encodedName + "&isResource=" + true;
-            String thumbnailUrl = tinyEngineUrl + "?name=" + encodedName + "&isResource=" + false;
             resource.setResourceUrl(resourceUrl);
             resource.setThumbnailUrl(thumbnailUrl);
             resource.setThumbnailData(ImageThumbnailGenerator.createThumbnail(resource.getResourceData(), 200, 200));