diff --git a/ruoyi-common/ruoyi-common-chat/src/main/java/org/ruoyi/common/chat/request/ChatRequest.java b/ruoyi-common/ruoyi-common-chat/src/main/java/org/ruoyi/common/chat/request/ChatRequest.java
index 20a021de..276f5dc8 100644
--- a/ruoyi-common/ruoyi-common-chat/src/main/java/org/ruoyi/common/chat/request/ChatRequest.java
+++ b/ruoyi-common/ruoyi-common-chat/src/main/java/org/ruoyi/common/chat/request/ChatRequest.java
@@ -67,4 +67,14 @@ public class ChatRequest {
      */
     private Long uuid;
 
+    /**
+     * 是否有附件
+     */
+    private Boolean hasAttachment;
+
+    /**
+     * 是否自动切换模型
+     */
+    private Boolean autoSelectModel;
+
 }
diff --git a/ruoyi-modules/ruoyi-chat/src/main/java/org/ruoyi/chat/service/chat/impl/SseServiceImpl.java b/ruoyi-modules/ruoyi-chat/src/main/java/org/ruoyi/chat/service/chat/impl/SseServiceImpl.java
index c61b5673..a9eca9c0 100644
--- a/ruoyi-modules/ruoyi-chat/src/main/java/org/ruoyi/chat/service/chat/impl/SseServiceImpl.java
+++ b/ruoyi-modules/ruoyi-chat/src/main/java/org/ruoyi/chat/service/chat/impl/SseServiceImpl.java
@@ -129,23 +129,20 @@ public class SseServiceImpl implements ISseService {
      */
     private IChatService autoSelectModelAndGetService(ChatRequest chatRequest) {
         try {
-            // 处理特殊模型类型
-            if ("gpt-image".equals(chatRequest.getModel())) {
+            if (Boolean.TRUE.equals(chatRequest.getHasAttachment())) {
                 chatModelVo = selectModelByCategory("image");
-                return chatServiceFactory.getChatService(chatModelVo.getCategory());
+            } else if (Boolean.TRUE.equals(chatRequest.getAutoSelectModel())) {
+                chatModelVo = selectModelByCategory("chat");
+            } else {
+                chatModelVo = chatModelService.selectModelByName(chatRequest.getModel());
             }
             
-            // 根据模型名称获取模型分类，然后获取该分类下优先级最高的模型
-            ChatModelVo tempModel = chatModelService.selectModelByName(chatRequest.getModel());
-            if (tempModel == null) {
+            if (chatModelVo == null) {
                 throw new IllegalStateException("未找到模型名称：" + chatRequest.getModel());
             }
             
-            chatModelVo = selectModelByCategory(tempModel.getCategory());
-            
             // 直接返回对应的聊天服务
             return chatServiceFactory.getChatService(chatModelVo.getCategory());
-            
         } catch (Exception e) {
             log.error("模型选择和服务获取失败: {}", e.getMessage(), e);
             throw new IllegalStateException("模型选择和服务获取失败: " + e.getMessage());