diff --git a/schema/dataset.py b/schema/dataset.py
index c60ffed..4835e2f 100644
--- a/schema/dataset.py
+++ b/schema/dataset.py
@@ -20,6 +20,7 @@ class dataset(BaseModel):
     id: Optional[int] = Field(default=None, description="数据集ID")
     name: Optional[str] = Field(default=None, description="数据集名称")
     model_id: Optional[list[str]] = Field(default=None, description="数据集使用的模型ID")
+    source_doc: Optional[list[doc]] = Field(default=None, description="数据集来源文档")
     description: Optional[str] = Field(default="", description="数据集描述")
     created_at: datetime = Field(
         default_factory=lambda: datetime.now(timezone.utc),