fix：移除vlm的生成限制

src/chat/utils/utils_image.py

@@ -273,7 +273,7 @@ class ImageManager:
             prompt = global_config.personality.visual_style
             logger.info(f"[VLM调用] 为图片生成新描述 (Hash: {image_hash[:8]}...)")
             description, _ = await self.vlm.generate_response_for_image(
-                prompt, image_base64, image_format, temperature=0.4, max_tokens=300
+                prompt, image_base64, image_format, temperature=0.4
             )
 
             if description is None:
@@ -570,7 +570,7 @@ class ImageManager:
 
             # 获取VLM描述
             description, _ = await self.vlm.generate_response_for_image(
-                prompt, image_base64, image_format, temperature=0.4, max_tokens=300
+                prompt, image_base64, image_format, temperature=0.4
             )
 
             if description is None:

template/model_config_template.toml

@@ -1,5 +1,5 @@
 [inner]
-version = "1.7.4"
+version = "1.7.5"
 
 # 配置文件版本号迭代规则同bot_config.toml
 
@@ -120,7 +120,7 @@ max_tokens = 800
 
 [model_task_config.vlm] # 图像识别模型
 model_list = ["qwen2.5-vl-72b"]
-max_tokens = 800
+max_tokens = 256
 
 [model_task_config.voice] # 语音识别模型
 model_list = ["sensevoice-small"]