diff --git a/app/infrastructure/models.py b/app/infrastructure/models.py
index f8641aa..80330b9 100644
--- a/app/infrastructure/models.py
+++ b/app/infrastructure/models.py
@@ -621,9 +621,11 @@ class Escrow(Base):
     # ── 微信服务商分账（资金托管）字段 ──
     channel: Mapped[str] = mapped_column(String, default="wx_split")  # wx_split | bank_escrow | direct_pay | manual
     transaction_id: Mapped[str] = mapped_column(String, default="")     # 微信支付单号（收单来源）
+    payer_sub_mchid: Mapped[str] = mapped_column(String, default="")    # 出资（收单）特约商户号，即分账出资方
     share_order_no: Mapped[str] = mapped_column(String, default="")     # 分账单号（幂等键）
     share_status: Mapped[str] = mapped_column(String, default="pending")  # pending/sharing/shared/failed
     receiver_binding_id: Mapped[str] = mapped_column(String, default="")  # 接单者收款绑定 id
+    split_detail: Mapped[str] = mapped_column(Text, default="{}")       # 分账生命周期快照(剩余待分/解冻/结果)
     created_at: Mapped[str] = mapped_column(String, default="")
     updated_at: Mapped[str] = mapped_column(String, default="")
 
@@ -1297,7 +1299,7 @@ class MarketItem(Base):
     category: Mapped[str] = mapped_column(String, default="")
     tags_json: Mapped[str] = mapped_column(Text, default="[]")
     locale_json: Mapped[str] = mapped_column(Text, default="{}")
-    bundle_json: Mapped[str] = mapped_column(Text, default="{}")                 # 安装包元数据（skill 内嵌）
+    bundle_json: Mapped[str] = mapped_column(Text, default="{}")                 # 安装包元数据（skill 内嵌完整 SKILL.md；MySQL 已 ALTER 为 MEDIUMTEXT）
     bundle_url: Mapped[str] = mapped_column(String, default="")                  # OSS 对象路径（plugin/app zip）
     bundle_sha256: Mapped[str] = mapped_column(String, default="")
     price_fen: Mapped[int] = mapped_column(Integer, default=0)                   # 定价（分）；0=免费（skill 恒 0）