diff --git a/app/api/schemas/portals.py b/app/api/schemas/portals.py
index 845fdd8..a985053 100644
--- a/app/api/schemas/portals.py
+++ b/app/api/schemas/portals.py
@@ -10,6 +10,22 @@ class EnterpriseTaskCreate(BaseModel):
     budget_max: int = 0
     deadline: str = ""
     publisher_name: str = ""
+    # ── 多端任务体系扩展字段 ──
+    publisher_role: str = "enterprise"
+    visibility: str = "public"
+    c_visible: bool = True
+    park_public: bool = False
+    assign_type: str = ""
+    assign_park_id: str | None = None
+    assign_opc_id: str | None = None
+    park_id: str | None = None
+    delivery_days: int = 0
+    headcount: int = 0
+    exclusive: bool = False
+    bid_quota: int = 0
+    win_quota: int = 0
+    eligibility: str = "{}"
+    settle_mode: str = "operator_escrow"