diff --git a/schema/dataset_generation.py b/schema/dataset_generation.py
index 30eb354..b1e985b 100644
--- a/schema/dataset_generation.py
+++ b/schema/dataset_generation.py
@@ -4,8 +4,8 @@ from sqlmodel import SQLModel, Relationship, Field
 
 class APIProvider(SQLModel, table=True):
     id: Optional[int] = Field(default=None, primary_key=True)
-    base_url: str = Field(..., description="API的基础URL")
-    model_id: str = Field(..., description="API使用的模型ID")
+    base_url: str = Field(...,min_length=1,description="API的基础URL，不能为空")
+    model_id: str = Field(...,min_length=1,description="API使用的模型ID，不能为空")
     api_key: Optional[str] = Field(default=None, description="用于身份验证的API密钥")
     created_at: datetime = Field(
         default_factory=lambda: datetime.now(timezone.utc),