diff --git a/aibox_sophon_adapter/models/board_models.py b/aibox_sophon_adapter/models/board_models.py
index dc58375..eb9ba05 100644
--- a/aibox_sophon_adapter/models/board_models.py
+++ b/aibox_sophon_adapter/models/board_models.py
@@ -45,7 +45,7 @@ class AlgItemInfo(BaseModel):
     lineRequired: bool = Field(default=False, description="是否需要线")
     majorId: int = Field(..., description="主 ID")
     majorOnly: bool = Field(default=False, description="仅主算法")
-    minorId: int = Field(..., description="副 ID")
+    minorId: int = Field(default=0, description="副 ID")
     name: str = Field(..., description="算法名称")
     zoneDesc: str = Field(default="", description="区域描述")
     zoneRequired: bool = Field(default=False, description="是否需要区域")