diff --git a/websocket_server/image_generator.py b/websocket_server/image_generator.py
index 8c90cf9..e002bde 100644
--- a/websocket_server/image_generator.py
+++ b/websocket_server/image_generator.py
@@ -52,7 +52,7 @@ class ImageGenerator:
             # Currently using Qwen-Turbo for all providers for prompt optimization
             # You can also decouple this if needed
             response = Generation.call(
-                model='qwen3.5-plus',
+                model='qwen-plus',
                 prompt=f'{system_prompt}\n\n用户语音识别结果：{asr_text}\n\n优化后的提示词：',
                 max_tokens=200,
                 temperature=0.8