diff --git a/video-gen-api/app/schemas/home_material.py b/video-gen-api/app/schemas/home_material.py
index 8c1d117e..62f139c9 100644
--- a/video-gen-api/app/schemas/home_material.py
+++ b/video-gen-api/app/schemas/home_material.py
@@ -260,8 +260,13 @@ class HomeMaterialPublicAssetOut(BaseModel):
 
 
 class HomeMaterialPublicCategoryGroupOut(BaseModel):
-    category: HomeMaterialPublicCategoryOut
-    assets: list[HomeMaterialPublicAssetOut] = Field(default_factory=list)
+    id: str = Field(..., description="行业ID。")
+    name: str = Field(..., description="行业名称。")
+    key: str = Field(..., description="行业key。")
+    icon: str | None = Field(None, description="前端图标名。")
+    description: str | None = Field(None, description="行业描述。")
+    sort_order: int = Field(0, description="排序。")
+    assets: list[HomeMaterialPublicAssetOut] = Field(default_factory=list, description="行业下素材列表。")
 
 
 class HomeMaterialPublicGroupedOut(BaseModel):