diff --git a/pixelle_video/config/__init__.py b/pixelle_video/config/__init__.py
index b61793a..c64cb04 100644
--- a/pixelle_video/config/__init__.py
+++ b/pixelle_video/config/__init__.py
@@ -29,7 +29,7 @@ Usage:
     if config_manager.validate():
         print("Config is valid!")
 """
-from .schema import PixelleVideoConfig, LLMConfig, ComfyUIConfig, TTSSubConfig, ImageSubConfig
+from .schema import PixelleVideoConfig, LLMConfig, ComfyUIConfig, TTSSubConfig, ImageSubConfig, VideoSubConfig
 from .manager import ConfigManager
 from .loader import load_config_dict, save_config_dict
 
@@ -42,6 +42,7 @@ __all__ = [
     "ComfyUIConfig",
     "TTSSubConfig",
     "ImageSubConfig",
+    "VideoSubConfig",
     "ConfigManager",
     "config_manager",
     "load_config_dict",
diff --git a/pixelle_video/config/manager.py b/pixelle_video/config/manager.py
index 9966e67..04374bb 100644
--- a/pixelle_video/config/manager.py
+++ b/pixelle_video/config/manager.py
@@ -135,6 +135,10 @@ class ConfigManager:
             "image": {
                 "default_workflow": self.config.comfyui.image.default_workflow,
                 "prompt_prefix": self.config.comfyui.image.prompt_prefix,
+            },
+            "video": {
+                "default_workflow": self.config.comfyui.video.default_workflow,
+                "prompt_prefix": self.config.comfyui.video.prompt_prefix,
             }
         }
     
diff --git a/pixelle_video/config/schema.py b/pixelle_video/config/schema.py
index 7884c85..9723f43 100644
--- a/pixelle_video/config/schema.py
+++ b/pixelle_video/config/schema.py
@@ -59,12 +59,22 @@ class ImageSubConfig(BaseModel):
     )
 
 
+class VideoSubConfig(BaseModel):
+    """Video-specific configuration (under comfyui.video)"""
+    default_workflow: Optional[str] = Field(default=None, description="Default video workflow (optional)")
+    prompt_prefix: str = Field(
+        default="Minimalist black-and-white matchstick figure style illustration, clean lines, simple sketch style",
+        description="Prompt prefix for all video generation"
+    )
+
+
 class ComfyUIConfig(BaseModel):
     """ComfyUI configuration (includes global settings and service-specific configs)"""
     comfyui_url: str = Field(default="http://127.0.0.1:8188", description="ComfyUI Server URL")
     runninghub_api_key: Optional[str] = Field(default=None, description="RunningHub API Key (optional)")
     tts: TTSSubConfig = Field(default_factory=TTSSubConfig, description="TTS-specific configuration")
     image: ImageSubConfig = Field(default_factory=ImageSubConfig, description="Image-specific configuration")
+    video: VideoSubConfig = Field(default_factory=VideoSubConfig, description="Video-specific configuration")
 
 
 class TemplateConfig(BaseModel):