feat: 后端接入微信提现人工审核与资金安全校验 (#27)

提现申请改为先扣款并进入待审核，审核通过后才发起微信打款，审核拒绝或微信失败时自动退款。

新增运营后台提现列表的关键词搜索、日期筛选、快捷筛选和排序参数，并支持批量通过、批量拒绝、批量刷新查单。

新增微信支付配置健康检查、现金账本校验、自动对账 worker 和单实例保护。

新增数据库唯一索引，约束同一用户未完成提现和同一提现单重复退款，提升并发安全性。

---------

Co-authored-by: OuYingJun1024 <1034284404@qq.com>
Reviewed-on: #27
Co-authored-by: ouzhou <ouzhou@wonderable.ai>
Co-committed-by: ouzhou <ouzhou@wonderable.ai>

.env.example

@@ -79,6 +79,10 @@ WXPAY_MCH_PRIVATE_KEY_PATH=./secrets/apiclient_key.pem
 WXPAY_PUBLIC_KEY_ID=PUB_KEY_ID_xxxxxxxx
 WXPAY_PUBLIC_KEY_PATH=./secrets/pub_key.pem
 WXPAY_TRANSFER_SCENE_ID=1000
+WXPAY_AUTH_NOTIFY_URL=
+WITHDRAW_AUTO_RECONCILE_ENABLED=false
+WITHDRAW_AUTO_RECONCILE_INTERVAL_SEC=300
+WITHDRAW_AUTO_RECONCILE_OLDER_THAN_MINUTES=15
 
 # ===== 穿山甲激励视频(服务端发奖回调)=====
 # 看完激励视频后穿山甲服务器 S2S 回调本服务发金币(客户端不参与发奖)。

.gitignore

@@ -43,3 +43,4 @@ secrets/*
 
 # 运行日志(run.sh 输出, 不入库)
 *.log
+logs/

alembic/versions/withdraw_safety_indexes.py

@@ -0,0 +1,42 @@
+"""add withdraw concurrency safety indexes
+
+Revision ID: withdraw_safety_indexes
+Revises: 0cf18d590b1d
+Create Date: 2026-06-08 16:20:00.000000
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = "withdraw_safety_indexes"
+down_revision: Union[str, Sequence[str], None] = "0cf18d590b1d"
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    op.create_index(
+        "ux_withdraw_order_user_active",
+        "withdraw_order",
+        ["user_id"],
+        unique=True,
+        sqlite_where=sa.text("status IN ('reviewing', 'pending')"),
+        postgresql_where=sa.text("status IN ('reviewing', 'pending')"),
+    )
+    op.create_index(
+        "ux_cash_transaction_withdraw_refund_ref",
+        "cash_transaction",
+        ["ref_id"],
+        unique=True,
+        sqlite_where=sa.text("biz_type = 'withdraw_refund' AND ref_id IS NOT NULL"),
+        postgresql_where=sa.text("biz_type = 'withdraw_refund' AND ref_id IS NOT NULL"),
+    )
+
+
+def downgrade() -> None:
+    op.drop_index("ux_cash_transaction_withdraw_refund_ref", table_name="cash_transaction")
+    op.drop_index("ux_withdraw_order_user_active", table_name="withdraw_order")

app/admin/repositories/queries.py

@@ -5,9 +5,13 @@
 """
 from __future__ import annotations
 
-from sqlalchemy import Select, func, select
+from datetime import datetime, timedelta, timezone
+from zoneinfo import ZoneInfo
+
+from sqlalchemy import Select, asc, desc, func, or_, select
 from sqlalchemy.orm import Session
 
+from app.models.admin import AdminAuditLog
 from app.models.comparison import ComparisonRecord
 from app.models.feedback import Feedback
 from app.models.user import User
@@ -88,15 +92,114 @@ def list_all_withdraw_orders(
     *,
     user_id: int | None = None,
     status: str | None = None,
+    keyword: str | None = None,
+    date_from: datetime | None = None,
+    date_to: datetime | None = None,
+    date_field: str = "created_at",
+    sort_by: str = "created_at",
+    sort_order: str = "desc",
+    quick_filter: str | None = None,
     limit: int = 20,
     cursor: int | None = None,
 ) -> tuple[list[WithdrawOrder], int | None]:
     stmt = select(WithdrawOrder)
+    needs_user_join = bool(keyword and keyword.strip()) or quick_filter == "high_risk"
+    if needs_user_join:
+        stmt = stmt.outerjoin(User, User.id == WithdrawOrder.user_id)
+
     if user_id is not None:
         stmt = stmt.where(WithdrawOrder.user_id == user_id)
     if status:
         stmt = stmt.where(WithdrawOrder.status == status)
-    return cursor_paginate(db, stmt, WithdrawOrder.id, limit=limit, cursor=cursor)
+
+    kw = (keyword or "").strip()
+    if kw:
+        pattern = f"%{kw}%"
+        conditions = [
+            WithdrawOrder.out_bill_no.ilike(pattern),
+            WithdrawOrder.transfer_bill_no.ilike(pattern),
+            WithdrawOrder.user_name.ilike(pattern),
+            WithdrawOrder.wechat_state.ilike(pattern),
+            WithdrawOrder.fail_reason.ilike(pattern),
+            User.phone.ilike(pattern),
+            User.nickname.ilike(pattern),
+            User.wechat_nickname.ilike(pattern),
+        ]
+        if kw.isdigit():
+            conditions.append(WithdrawOrder.user_id == int(kw))
+        stmt = stmt.where(or_(*conditions))
+
+    date_col = WithdrawOrder.updated_at if date_field == "updated_at" else WithdrawOrder.created_at
+    if date_from is not None:
+        stmt = stmt.where(date_col >= _as_utc_naive(date_from))
+    if date_to is not None:
+        stmt = stmt.where(date_col <= _as_utc_naive(date_to))
+
+    now = datetime.now(timezone.utc).replace(tzinfo=None)
+    today_start = (
+        datetime.now(ZoneInfo("Asia/Shanghai"))
+        .replace(hour=0, minute=0, second=0, microsecond=0)
+        .astimezone(timezone.utc)
+        .replace(tzinfo=None)
+    )
+    if quick_filter == "abnormal":
+        stmt = stmt.where(
+            or_(
+                WithdrawOrder.status.in_(("failed", "rejected")),
+                WithdrawOrder.fail_reason.is_not(None),
+                WithdrawOrder.wechat_state.in_(("FAIL", "CANCELLED", "CLOSED")),
+            )
+        )
+    elif quick_filter == "failed":
+        stmt = stmt.where(WithdrawOrder.status == "failed")
+    elif quick_filter == "overdue_reviewing":
+        stmt = stmt.where(
+            WithdrawOrder.status == "reviewing",
+            WithdrawOrder.created_at <= now - timedelta(minutes=30),
+        )
+    elif quick_filter == "pending_overdue":
+        stmt = stmt.where(
+            WithdrawOrder.status == "pending",
+            WithdrawOrder.updated_at <= now - timedelta(minutes=15),
+        )
+    elif quick_filter == "today":
+        stmt = stmt.where(WithdrawOrder.created_at >= today_start)
+    elif quick_filter == "high_risk":
+        stmt = stmt.where(
+            or_(
+                WithdrawOrder.user_name.is_(None),
+                WithdrawOrder.user_name == "",
+                User.status != "active",
+                User.created_at >= now - timedelta(hours=24),
+                WithdrawOrder.status.in_(("failed", "rejected")),
+                WithdrawOrder.fail_reason.is_not(None),
+            )
+        )
+
+    sort_cols = {
+        "id": WithdrawOrder.id,
+        "created_at": WithdrawOrder.created_at,
+        "updated_at": WithdrawOrder.updated_at,
+        "amount_cents": WithdrawOrder.amount_cents,
+    }
+    sort_col = sort_cols.get(sort_by, WithdrawOrder.created_at)
+    order_fn = asc if sort_order == "asc" else desc
+    id_order = asc(WithdrawOrder.id) if sort_order == "asc" else desc(WithdrawOrder.id)
+    stmt = stmt.order_by(order_fn(sort_col), id_order)
+
+    offset = max(cursor or 0, 0)
+    rows = list(db.execute(stmt.offset(offset).limit(limit + 1)).scalars().all())
+    has_more = len(rows) > limit
+    items = rows[:limit]
+    next_cursor = offset + limit if has_more else None
+    return items, next_cursor
+
+
+def _as_utc_naive(value: datetime) -> datetime:
+    """前端传 ISO 时间;DB 当前按 UTC naive 比较最稳(SQLite/本地开发一致)。"""
+    if value.tzinfo is None:
+        return value
+    return value.astimezone(timezone.utc).replace(tzinfo=None)
 
 
 def list_feedbacks(
@@ -122,6 +225,147 @@ def get_withdraw_by_out_bill_no(db: Session, out_bill_no: str) -> WithdrawOrder
     ).scalar_one_or_none()
 
 
+def withdraw_summary(db: Session) -> dict:
+    """提现审核台顶部统计。金额单位:分。"""
+    rows = db.execute(
+        select(
+            WithdrawOrder.status,
+            func.count(WithdrawOrder.id),
+            func.coalesce(func.sum(WithdrawOrder.amount_cents), 0),
+        ).group_by(WithdrawOrder.status)
+    ).all()
+    by_status = {
+        status: {"count": int(count), "amount_cents": int(amount_cents)}
+        for status, count, amount_cents in rows
+    }
+
+    today_start = (
+        datetime.now(ZoneInfo("Asia/Shanghai"))
+        .replace(hour=0, minute=0, second=0, microsecond=0)
+        .astimezone(timezone.utc)
+    )
+
+    def _today_count(status: str) -> int:
+        return db.execute(
+            select(func.count(WithdrawOrder.id)).where(
+                WithdrawOrder.status == status,
+                WithdrawOrder.updated_at >= today_start,
+            )
+        ).scalar_one()
+
+    today_success_amount = db.execute(
+        select(func.coalesce(func.sum(WithdrawOrder.amount_cents), 0)).where(
+            WithdrawOrder.status == "success",
+            WithdrawOrder.updated_at >= today_start,
+        )
+    ).scalar_one()
+
+    return {
+        "reviewing_count": by_status.get("reviewing", {}).get("count", 0),
+        "reviewing_amount_cents": by_status.get("reviewing", {}).get("amount_cents", 0),
+        "pending_count": by_status.get("pending", {}).get("count", 0),
+        "failed_count": by_status.get("failed", {}).get("count", 0),
+        "today_success_count": _today_count("success"),
+        "today_success_amount_cents": int(today_success_amount),
+        "today_rejected_count": _today_count("rejected"),
+    }
+
+
+def list_withdraw_audit_logs(
+    db: Session, out_bill_no: str, *, limit: int = 20
+) -> list[AdminAuditLog]:
+    return list(
+        db.execute(
+            select(AdminAuditLog)
+            .where(AdminAuditLog.target_type == "withdraw", AdminAuditLog.target_id == out_bill_no)
+            .order_by(AdminAuditLog.id.desc())
+            .limit(limit)
+        ).scalars().all()
+    )
+
+
+def withdraw_risk_flags(
+    order: WithdrawOrder,
+    user: User | None,
+    recent_withdraws: list[WithdrawOrder],
+    cash_balance_cents: int,
+) -> tuple[list[str], int]:
+    flags: list[str] = []
+    if not order.user_name:
+        flags.append("缺少提现实名")
+    if user and user.status != "active":
+        flags.append(f"账号状态:{user.status}")
+    if user and user.created_at:
+        created_at = user.created_at.replace(tzinfo=timezone.utc) if user.created_at.tzinfo is None else user.created_at
+        if datetime.now(timezone.utc) - created_at < timedelta(hours=24):
+            flags.append("新注册用户")
+    failed_or_rejected = sum(1 for item in recent_withdraws if item.status in {"failed", "rejected"})
+    if failed_or_rejected:
+        flags.append(f"历史异常提现{failed_or_rejected}笔")
+    recent_reviewing = sum(1 for item in recent_withdraws if item.status == "reviewing")
+    if recent_reviewing >= 3:
+        flags.append(f"待审核提现偏多:{recent_reviewing}笔")
+    if cash_balance_cents < 0:
+        flags.append("现金余额为负")
+    score = min(100, len(flags) * 20 + failed_or_rejected * 10)
+    return flags, score
+
+
+def withdraw_ledger_check(db: Session) -> dict:
+    cash_balance_total = int(
+        db.execute(select(func.coalesce(func.sum(CoinAccount.cash_balance_cents), 0))).scalar_one()
+    )
+    cash_txn_total = int(
+        db.execute(select(func.coalesce(func.sum(CashTransaction.amount_cents), 0))).scalar_one()
+    )
+
+    orders = list(db.execute(select(WithdrawOrder)).scalars().all())
+    cash_txns = list(
+        db.execute(
+            select(CashTransaction).where(
+                CashTransaction.biz_type.in_(("withdraw", "withdraw_refund"))
+            )
+        ).scalars().all()
+    )
+    withdraw_refs = {txn.ref_id for txn in cash_txns if txn.biz_type == "withdraw"}
+    refund_counts: dict[str, int] = {}
+    for txn in cash_txns:
+        if txn.biz_type == "withdraw_refund" and txn.ref_id:
+            refund_counts[txn.ref_id] = refund_counts.get(txn.ref_id, 0) + 1
+
+    missing_withdraw = 0
+    missing_refund = 0
+    refund_on_non_terminal = 0
+    for order in orders:
+        if order.out_bill_no not in withdraw_refs:
+            missing_withdraw += 1
+        has_refund = refund_counts.get(order.out_bill_no, 0) > 0
+        if order.status in {"failed", "rejected"} and not has_refund:
+            missing_refund += 1
+        if has_refund and order.status not in {"failed", "rejected"}:
+            refund_on_non_terminal += 1
+
+    duplicate_refund = sum(1 for count in refund_counts.values() if count > 1)
+    diff = cash_balance_total - cash_txn_total
+    ok = (
+        diff == 0
+        and missing_withdraw == 0
+        and missing_refund == 0
+        and duplicate_refund == 0
+        and refund_on_non_terminal == 0
+    )
+    return {
+        "ok": ok,
+        "cash_balance_total_cents": cash_balance_total,
+        "cash_transaction_total_cents": cash_txn_total,
+        "balance_diff_cents": diff,
+        "missing_withdraw_txn_count": missing_withdraw,
+        "missing_refund_txn_count": missing_refund,
+        "duplicate_refund_txn_count": duplicate_refund,
+        "refund_txn_on_non_terminal_count": refund_on_non_terminal,
+    }
+
+
 def get_user_overview(db: Session, user_id: int) -> dict | None:
     """用户 360 概览:基础资料 + 钱包余额 + 各项 count。历史明细走各自分页接口(带 user_id 过滤)。"""
     user = db.get(User, user_id)

app/admin/routers/withdraw.py

@@ -6,6 +6,7 @@
 """
 from __future__ import annotations
 
+from datetime import datetime
 from typing import Annotated
 
 from fastapi import APIRouter, Depends, HTTPException, Query, Request
@@ -14,7 +15,23 @@ from app.admin.audit import write_audit
 from app.admin.deps import AdminDb, get_client_ip, get_current_admin, require_role
 from app.admin.repositories import queries
 from app.admin.schemas.common import CursorPage
-from app.admin.schemas.wallet import ReconcileResult, WithdrawOrderOut, WithdrawRejectRequest
+from app.admin.schemas.admin import AdminAuditLogOut
+from app.admin.schemas.wallet import (
+    CashTxnOut,
+    ReconcileResult,
+    WithdrawBulkRejectRequest,
+    WithdrawBulkRequest,
+    WithdrawBulkResult,
+    WithdrawBulkItemResult,
+    WithdrawDetailOut,
+    WithdrawLedgerCheckOut,
+    WithdrawOrderOut,
+    WithdrawRejectRequest,
+    WithdrawSummaryOut,
+    WithdrawUserSnapshot,
+    WxpayHealthCheckOut,
+)
+from app.core.config import settings
 from app.integrations import wxpay
 from app.models.admin import AdminUser
 from app.repositories import wallet as wallet_repo
@@ -31,17 +48,143 @@ def list_withdraws(
     db: AdminDb,
     user_id: Annotated[int | None, Query()] = None,
     status: Annotated[str | None, Query()] = None,
+    keyword: Annotated[str | None, Query(max_length=100)] = None,
+    date_from: Annotated[datetime | None, Query()] = None,
+    date_to: Annotated[datetime | None, Query()] = None,
+    date_field: Annotated[str, Query(pattern="^(created_at|updated_at)$")] = "created_at",
+    sort_by: Annotated[
+        str, Query(pattern="^(id|created_at|updated_at|amount_cents)$")
+    ] = "created_at",
+    sort_order: Annotated[str, Query(pattern="^(asc|desc)$")] = "desc",
+    quick_filter: Annotated[
+        str | None,
+        Query(pattern="^(abnormal|failed|overdue_reviewing|pending_overdue|today|high_risk)$"),
+    ] = None,
     limit: Annotated[int, Query(ge=1, le=100)] = 20,
     cursor: Annotated[int | None, Query()] = None,
 ) -> CursorPage[WithdrawOrderOut]:
     items, next_cursor = queries.list_all_withdraw_orders(
-        db, user_id=user_id, status=status, limit=limit, cursor=cursor,
+        db,
+        user_id=user_id,
+        status=status,
+        keyword=keyword,
+        date_from=date_from,
+        date_to=date_to,
+        date_field=date_field,
+        sort_by=sort_by,
+        sort_order=sort_order,
+        quick_filter=quick_filter,
+        limit=limit,
+        cursor=cursor,
     )
     return CursorPage(
         items=[WithdrawOrderOut.model_validate(o) for o in items], next_cursor=next_cursor,
     )
 
 
+@router.get("/summary", response_model=WithdrawSummaryOut, summary="提现审核台统计")
+def withdraws_summary(db: AdminDb) -> WithdrawSummaryOut:
+    return WithdrawSummaryOut(**queries.withdraw_summary(db))
+
+
+@router.get("/health-check", response_model=WxpayHealthCheckOut, summary="提现配置健康检查")
+def withdraw_health_check() -> WxpayHealthCheckOut:
+    private_path = wxpay._resolve_config_path(settings.WXPAY_MCH_PRIVATE_KEY_PATH)  # noqa: SLF001
+    public_path = wxpay._resolve_config_path(settings.WXPAY_PUBLIC_KEY_PATH)  # noqa: SLF001
+    issues: list[str] = []
+
+    private_loadable = False
+    public_loadable = False
+    try:
+        wxpay._load_private_key()  # noqa: SLF001
+        private_loadable = True
+    except Exception as e:  # noqa: BLE001
+        issues.append(f"商户私钥不可用:{e}")
+    try:
+        wxpay._load_public_key()  # noqa: SLF001
+        public_loadable = True
+    except Exception as e:  # noqa: BLE001
+        issues.append(f"微信支付平台公钥不可用:{e}")
+
+    if not settings.wxpay_configured:
+        issues.append("微信支付基础配置不完整")
+    if not settings.WXPAY_AUTH_NOTIFY_URL:
+        issues.append("免确认授权回调地址未配置")
+    if not settings.WITHDRAW_AUTO_RECONCILE_ENABLED:
+        issues.append("自动对账未开启")
+
+    return WxpayHealthCheckOut(
+        ok=not issues,
+        wxpay_configured=settings.wxpay_configured,
+        wxpay_auth_configured=settings.wxpay_auth_configured,
+        private_key_path=str(private_path),
+        private_key_exists=private_path.exists(),
+        private_key_loadable=private_loadable,
+        public_key_path=str(public_path),
+        public_key_exists=public_path.exists(),
+        public_key_loadable=public_loadable,
+        auth_notify_url_configured=bool(settings.WXPAY_AUTH_NOTIFY_URL),
+        auto_reconcile_enabled=settings.WITHDRAW_AUTO_RECONCILE_ENABLED,
+        auto_reconcile_interval_sec=settings.WITHDRAW_AUTO_RECONCILE_INTERVAL_SEC,
+        auto_reconcile_older_than_minutes=settings.WITHDRAW_AUTO_RECONCILE_OLDER_THAN_MINUTES,
+        issues=issues,
+    )
+
+
+@router.get("/ledger-check", response_model=WithdrawLedgerCheckOut, summary="提现资金账本校验")
+def withdraw_ledger_check(db: AdminDb) -> WithdrawLedgerCheckOut:
+    return WithdrawLedgerCheckOut(**queries.withdraw_ledger_check(db))
+
+
+@router.get("/{out_bill_no}", response_model=WithdrawDetailOut, summary="提现单详情")
+def withdraw_detail(out_bill_no: str, db: AdminDb) -> WithdrawDetailOut:
+    order = queries.get_withdraw_by_out_bill_no(db, out_bill_no)
+    if order is None:
+        raise HTTPException(status_code=404, detail="提现单不存在")
+
+    overview = queries.get_user_overview(db, order.user_id)
+    user_snapshot = None
+    if overview is not None:
+        user = overview["user"]
+        user_snapshot = WithdrawUserSnapshot(
+            id=user.id,
+            phone=user.phone,
+            nickname=user.nickname,
+            status=user.status,
+            wechat_nickname=user.wechat_nickname,
+            wechat_avatar_url=user.wechat_avatar_url,
+            created_at=user.created_at,
+            last_login_at=user.last_login_at,
+            cash_balance_cents=overview["cash_balance_cents"],
+            withdraw_total=overview["withdraw_total"],
+            withdraw_success_cents=overview["withdraw_success_cents"],
+        )
+
+    recent_withdraws, _ = queries.list_all_withdraw_orders(
+        db, user_id=order.user_id, limit=5, cursor=None,
+    )
+    recent_cash_transactions, _ = queries.list_all_cash_transactions(
+        db, user_id=order.user_id, limit=8, cursor=None,
+    )
+    audit_logs = queries.list_withdraw_audit_logs(db, out_bill_no, limit=10)
+    risk_flags, risk_score = queries.withdraw_risk_flags(
+        order,
+        overview["user"] if overview else None,
+        recent_withdraws,
+        overview["cash_balance_cents"] if overview else 0,
+    )
+
+    return WithdrawDetailOut(
+        order=WithdrawOrderOut.model_validate(order),
+        user=user_snapshot,
+        risk_flags=risk_flags,
+        risk_score=risk_score,
+        recent_withdraws=[WithdrawOrderOut.model_validate(o) for o in recent_withdraws],
+        recent_cash_transactions=[CashTxnOut.model_validate(t) for t in recent_cash_transactions],
+        audit_logs=[AdminAuditLogOut.model_validate(log) for log in audit_logs],
+    )
+
+
 # 注意:/reconcile 必须在 /{out_bill_no}/refresh 之前声明(静态路径优先于路径参数)
 @router.post("/reconcile", response_model=ReconcileResult, summary="批量对账(扫超时 pending 单)")
 def reconcile(
@@ -61,6 +204,159 @@ def reconcile(
     return ReconcileResult(**result)
 
 
+def _bulk_result(items: list[WithdrawBulkItemResult]) -> WithdrawBulkResult:
+    success = sum(1 for item in items if item.ok)
+    return WithdrawBulkResult(
+        total=len(items),
+        success=success,
+        failed=len(items) - success,
+        items=items,
+    )
+
+
+@router.post("/bulk/refresh", response_model=WithdrawBulkResult, summary="批量刷新查单")
+def bulk_refresh_withdraws(
+    body: WithdrawBulkRequest,
+    request: Request,
+    admin: Annotated[AdminUser, Depends(require_role("finance"))],
+    db: AdminDb,
+) -> WithdrawBulkResult:
+    results: list[WithdrawBulkItemResult] = []
+    ip = get_client_ip(request)
+    for out_bill_no in body.out_bill_nos:
+        try:
+            order = queries.get_withdraw_by_out_bill_no(db, out_bill_no)
+            if order is None:
+                raise wallet_repo.WithdrawOrderNotFound
+            refreshed = wallet_repo.refresh_withdraw_status(
+                db, order.user_id, out_bill_no, cancel_if_unconfirmed=True,
+            )
+            write_audit(
+                db, admin, action="withdraw.refresh", target_type="withdraw",
+                target_id=out_bill_no,
+                detail={
+                    "status": refreshed.status,
+                    "wechat_state": refreshed.wechat_state,
+                    "fail_reason": refreshed.fail_reason,
+                    "bulk": True,
+                },
+                ip=ip, commit=True,
+            )
+            results.append(
+                WithdrawBulkItemResult(
+                    out_bill_no=out_bill_no, ok=True, status=refreshed.status
+                )
+            )
+        except wallet_repo.WithdrawOrderNotFound:
+            db.rollback()
+            results.append(
+                WithdrawBulkItemResult(out_bill_no=out_bill_no, ok=False, error="提现单不存在")
+            )
+        except wxpay.WxPayNotConfiguredError:
+            db.rollback()
+            results.append(
+                WithdrawBulkItemResult(out_bill_no=out_bill_no, ok=False, error="微信支付未配置")
+            )
+        except Exception as e:  # noqa: BLE001 - 批量操作单笔失败不打断整批
+            db.rollback()
+            results.append(
+                WithdrawBulkItemResult(out_bill_no=out_bill_no, ok=False, error=f"系统异常: {e}")
+            )
+    return _bulk_result(results)
+
+
+@router.post("/bulk/approve", response_model=WithdrawBulkResult, summary="批量审核通过并打款")
+def bulk_approve_withdraws(
+    body: WithdrawBulkRequest,
+    request: Request,
+    admin: Annotated[AdminUser, Depends(require_role("finance"))],
+    db: AdminDb,
+) -> WithdrawBulkResult:
+    results: list[WithdrawBulkItemResult] = []
+    ip = get_client_ip(request)
+    for out_bill_no in body.out_bill_nos:
+        try:
+            order = wallet_repo.approve_withdraw(db, out_bill_no)
+            write_audit(
+                db, admin, action="withdraw.approve", target_type="withdraw",
+                target_id=out_bill_no,
+                detail={
+                    "status": order.status,
+                    "wechat_state": order.wechat_state,
+                    "amount_cents": order.amount_cents,
+                    "bulk": True,
+                },
+                ip=ip, commit=True,
+            )
+            results.append(
+                WithdrawBulkItemResult(out_bill_no=out_bill_no, ok=True, status=order.status)
+            )
+        except wallet_repo.WithdrawOrderNotFound:
+            db.rollback()
+            results.append(
+                WithdrawBulkItemResult(out_bill_no=out_bill_no, ok=False, error="提现单不存在")
+            )
+        except wallet_repo.WithdrawNotReviewable as e:
+            db.rollback()
+            results.append(
+                WithdrawBulkItemResult(out_bill_no=out_bill_no, ok=False, error=str(e))
+            )
+        except wxpay.WxPayNotConfiguredError:
+            db.rollback()
+            results.append(
+                WithdrawBulkItemResult(out_bill_no=out_bill_no, ok=False, error="微信支付未配置")
+            )
+        except Exception as e:  # noqa: BLE001 - 批量操作单笔失败不打断整批
+            db.rollback()
+            results.append(
+                WithdrawBulkItemResult(out_bill_no=out_bill_no, ok=False, error=f"系统异常: {e}")
+            )
+    return _bulk_result(results)
+
+
+@router.post("/bulk/reject", response_model=WithdrawBulkResult, summary="批量审核拒绝并退款")
+def bulk_reject_withdraws(
+    body: WithdrawBulkRejectRequest,
+    request: Request,
+    admin: Annotated[AdminUser, Depends(require_role("finance"))],
+    db: AdminDb,
+) -> WithdrawBulkResult:
+    results: list[WithdrawBulkItemResult] = []
+    ip = get_client_ip(request)
+    for out_bill_no in body.out_bill_nos:
+        try:
+            order = wallet_repo.reject_withdraw(db, out_bill_no, body.reason)
+            write_audit(
+                db, admin, action="withdraw.reject", target_type="withdraw",
+                target_id=out_bill_no,
+                detail={
+                    "reason": body.reason,
+                    "amount_cents": order.amount_cents,
+                    "bulk": True,
+                },
+                ip=ip, commit=True,
+            )
+            results.append(
+                WithdrawBulkItemResult(out_bill_no=out_bill_no, ok=True, status=order.status)
+            )
+        except wallet_repo.WithdrawOrderNotFound:
+            db.rollback()
+            results.append(
+                WithdrawBulkItemResult(out_bill_no=out_bill_no, ok=False, error="提现单不存在")
+            )
+        except wallet_repo.WithdrawNotReviewable as e:
+            db.rollback()
+            results.append(
+                WithdrawBulkItemResult(out_bill_no=out_bill_no, ok=False, error=str(e))
+            )
+        except Exception as e:  # noqa: BLE001 - 批量操作单笔失败不打断整批
+            db.rollback()
+            results.append(
+                WithdrawBulkItemResult(out_bill_no=out_bill_no, ok=False, error=f"系统异常: {e}")
+            )
+    return _bulk_result(results)
+
+
 @router.post("/{out_bill_no}/refresh", response_model=WithdrawOrderOut, summary="单笔重试查单")
 def refresh_withdraw(
     out_bill_no: str,
@@ -79,7 +375,11 @@ def refresh_withdraw(
         raise HTTPException(status_code=503, detail="微信支付未配置") from e
     write_audit(
         db, admin, action="withdraw.refresh", target_type="withdraw", target_id=out_bill_no,
-        detail={"status": refreshed.status, "wechat_state": refreshed.wechat_state},
+        detail={
+            "status": refreshed.status,
+            "wechat_state": refreshed.wechat_state,
+            "fail_reason": refreshed.fail_reason,
+        },
         ip=get_client_ip(request), commit=True,
     )
     return WithdrawOrderOut.model_validate(refreshed)

app/admin/schemas/wallet.py

@@ -5,6 +5,8 @@ from datetime import datetime
 
 from pydantic import BaseModel, ConfigDict, Field
 
+from app.admin.schemas.admin import AdminAuditLogOut
+
 
 class CoinTxnOut(BaseModel):
     model_config = ConfigDict(from_attributes=True)
@@ -48,11 +50,99 @@ class WithdrawOrderOut(BaseModel):
     updated_at: datetime
 
 
+class WithdrawSummaryOut(BaseModel):
+    reviewing_count: int
+    reviewing_amount_cents: int
+    pending_count: int
+    failed_count: int
+    today_success_count: int
+    today_success_amount_cents: int
+    today_rejected_count: int
+
+
+class WithdrawUserSnapshot(BaseModel):
+    id: int
+    phone: str
+    nickname: str | None = None
+    status: str
+    wechat_nickname: str | None = None
+    wechat_avatar_url: str | None = None
+    created_at: datetime
+    last_login_at: datetime
+    cash_balance_cents: int
+    withdraw_total: int
+    withdraw_success_cents: int
+
+
+class WithdrawDetailOut(BaseModel):
+    order: WithdrawOrderOut
+    user: WithdrawUserSnapshot | None = None
+    risk_flags: list[str]
+    risk_score: int
+    recent_withdraws: list[WithdrawOrderOut]
+    recent_cash_transactions: list[CashTxnOut]
+    audit_logs: list[AdminAuditLogOut]
+
+
 class ReconcileResult(BaseModel):
     checked: int
     resolved: int
 
 
+class WithdrawBulkRequest(BaseModel):
+    out_bill_nos: list[str] = Field(
+        ..., min_length=1, max_length=50, description="提现商户单号列表"
+    )
+
+
+class WithdrawBulkRejectRequest(WithdrawBulkRequest):
+    reason: str = Field(
+        ..., min_length=1, max_length=200, description="批量拒绝理由(用户可见)"
+    )
+
+
+class WithdrawBulkItemResult(BaseModel):
+    out_bill_no: str
+    ok: bool
+    status: str | None = None
+    error: str | None = None
+
+
+class WithdrawBulkResult(BaseModel):
+    total: int
+    success: int
+    failed: int
+    items: list[WithdrawBulkItemResult]
+
+
+class WithdrawLedgerCheckOut(BaseModel):
+    ok: bool
+    cash_balance_total_cents: int
+    cash_transaction_total_cents: int
+    balance_diff_cents: int
+    missing_withdraw_txn_count: int
+    missing_refund_txn_count: int
+    duplicate_refund_txn_count: int
+    refund_txn_on_non_terminal_count: int
+
+
+class WxpayHealthCheckOut(BaseModel):
+    ok: bool
+    wxpay_configured: bool
+    wxpay_auth_configured: bool
+    private_key_path: str
+    private_key_exists: bool
+    private_key_loadable: bool
+    public_key_path: str
+    public_key_exists: bool
+    public_key_loadable: bool
+    auth_notify_url_configured: bool
+    auto_reconcile_enabled: bool
+    auto_reconcile_interval_sec: int
+    auto_reconcile_older_than_minutes: int
+    issues: list[str]
+
+
 class WithdrawRejectRequest(BaseModel):
     reason: str = Field(
         ..., min_length=1, max_length=200, description="拒绝理由(写入 fail_reason,用户可见)"

app/api/v1/wallet.py

@@ -176,7 +176,7 @@ def withdraw_info(user: CurrentUser, db: DbSession) -> WithdrawInfoOut:
     "/withdraw",
     response_model=WithdrawResultOut,
     summary="发起提现(扣款建单,待人工审核;审核通过后才打款)",
-    dependencies=[Depends(rate_limit(20, 60, "withdraw"))],  # #6 同 IP 每分钟≤20 次
+    dependencies=[Depends(rate_limit(5, 60, "withdraw"))],  # IP 级粗限流;用户级未完成单限制在仓库层
 )
 def withdraw(req: WithdrawRequest, user: CurrentUser, db: DbSession) -> WithdrawResultOut:
     # 提现发起本身不调微信(打款在审核通过后),但仍要求微信支付已配置——否则审核通过也打不了款,提前拦
@@ -189,12 +189,17 @@ def withdraw(req: WithdrawRequest, user: CurrentUser, db: DbSession) -> Withdraw
     except crud_wallet.InvalidWithdrawAmountError as e:
         raise HTTPException(
             status_code=status.HTTP_400_BAD_REQUEST,
-            detail=f"amount_cents must be within [{WITHDRAW_MIN_CENTS}, {WITHDRAW_MAX_CENTS}]",
+            detail="提现金额不符合要求",
         ) from e
     except crud_wallet.WechatNotBoundError as e:
-        raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail="wechat not bound") from e
+        raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail="请先绑定微信") from e
+    except crud_wallet.WithdrawTooFrequentError as e:
+        raise HTTPException(
+            status_code=status.HTTP_409_CONFLICT,
+            detail="已有提现申请正在审核或打款中,请处理完成后再申请",
+        ) from e
     except crud_wallet.InsufficientCashError as e:
-        raise HTTPException(status_code=status.HTTP_409_CONFLICT, detail="insufficient cash balance") from e
+        raise HTTPException(status_code=status.HTTP_409_CONFLICT, detail="现金余额不足") from e
 
     # 调试直发(非生产):skip_review=true 时跳过人工审核,立即发起微信转账(等价 admin approve)。
     # 双闸保护——客户端仅 debug 包下发此 flag,服务端仅非 prod 才认;任一道闸拦住即恢复正常审核,

app/core/config.py

@@ -102,6 +102,9 @@ class Settings(BaseSettings):
     WXPAY_PUBLIC_KEY_PATH: str = "./secrets/pub_key.pem"             # 微信支付平台公钥
     WXPAY_TRANSFER_SCENE_ID: str = "1000"  # 转账场景 ID(1000=现金营销)
     WXPAY_REQUEST_TIMEOUT_SEC: int = 10
+    WITHDRAW_AUTO_RECONCILE_ENABLED: bool = False
+    WITHDRAW_AUTO_RECONCILE_INTERVAL_SEC: int = 300
+    WITHDRAW_AUTO_RECONCILE_OLDER_THAN_MINUTES: int = 15
     # 免确认收款授权(用户授权免确认模式)的授权结果回调地址,必须公网可访问 HTTPS、不带参数。
     # 发起授权 / 首单顺带授权时作为 authorization_notify_url 传给微信。一期不处理回调内容
     # (授权状态靠 query 查询兜底),但微信要求该字段非空,故启用免确认前必须配置;留空时免确认相关接口返回未配置。

app/core/withdraw_reconcile_worker.py

@@ -0,0 +1,118 @@
+"""提现 pending 单自动对账后台任务。"""
+from __future__ import annotations
+
+import asyncio
+import contextlib
+import logging
+import os
+import time
+from collections.abc import Iterator
+from pathlib import Path
+
+from sqlalchemy.exc import SQLAlchemyError
+
+from app.core.config import settings
+from app.db.session import SessionLocal
+from app.integrations.wxpay import WxPayNotConfiguredError
+from app.repositories import wallet as wallet_repo
+
+logger = logging.getLogger("shagua.withdraw_reconcile")
+_LOCK_PATH = Path(__file__).resolve().parents[2] / "data" / "withdraw_reconcile.lock"
+
+
+def _touch_lock() -> None:
+    with contextlib.suppress(FileNotFoundError):
+        os.utime(_LOCK_PATH, None)
+
+
+@contextlib.contextmanager
+def _single_instance_lock(stale_after_sec: int) -> Iterator[bool]:
+    """同机多进程保护:同一时间只允许一个自动查单 worker 运行。"""
+    _LOCK_PATH.parent.mkdir(parents=True, exist_ok=True)
+    fd: int | None = None
+    try:
+        try:
+            fd = os.open(str(_LOCK_PATH), os.O_CREAT | os.O_EXCL | os.O_WRONLY)
+        except FileExistsError:
+            try:
+                age = time.time() - _LOCK_PATH.stat().st_mtime
+            except FileNotFoundError:
+                age = stale_after_sec + 1
+            if age > stale_after_sec:
+                with contextlib.suppress(FileNotFoundError):
+                    _LOCK_PATH.unlink()
+                try:
+                    fd = os.open(str(_LOCK_PATH), os.O_CREAT | os.O_EXCL | os.O_WRONLY)
+                except FileExistsError:
+                    fd = None
+
+        if fd is None:
+            yield False
+            return
+
+        os.write(fd, f"pid={os.getpid()} started_at={int(time.time())}\n".encode("ascii"))
+        yield True
+    finally:
+        if fd is not None:
+            os.close(fd)
+            with contextlib.suppress(FileNotFoundError):
+                _LOCK_PATH.unlink()
+
+
+def _reconcile_once(older_than_minutes: int) -> dict:
+    with SessionLocal() as db:
+        return wallet_repo.reconcile_pending_withdraws(db, older_than_minutes=older_than_minutes)
+
+
+async def _run_loop() -> None:
+    interval = max(30, int(settings.WITHDRAW_AUTO_RECONCILE_INTERVAL_SEC))
+    older_than = max(1, int(settings.WITHDRAW_AUTO_RECONCILE_OLDER_THAN_MINUTES))
+    lock_stale_after = max(interval * 3, 600)
+    with _single_instance_lock(lock_stale_after) as lock_acquired:
+        if not lock_acquired:
+            logger.warning("withdraw auto reconcile skipped: another worker owns lock")
+            return
+
+        await _run_locked_loop(interval, older_than)
+
+
+async def _run_locked_loop(interval: int, older_than: int) -> None:
+    logger.info(
+        "withdraw auto reconcile started interval=%ss older_than=%sm",
+        interval,
+        older_than,
+    )
+    try:
+        while True:
+            try:
+                _touch_lock()
+                result = await asyncio.to_thread(_reconcile_once, older_than)
+                if result["checked"] or result["resolved"]:
+                    logger.info("withdraw auto reconcile result=%s", result)
+            except WxPayNotConfiguredError:
+                logger.warning("withdraw auto reconcile skipped: wxpay not configured")
+            except SQLAlchemyError:
+                logger.exception("withdraw auto reconcile db error")
+            except Exception:  # noqa: BLE001 - 后台任务不能因单次异常退出
+                logger.exception("withdraw auto reconcile unexpected error")
+            await asyncio.sleep(interval)
+    except asyncio.CancelledError:
+        logger.info("withdraw auto reconcile stopped")
+        raise
+
+
+def start_withdraw_reconcile_worker() -> asyncio.Task | None:
+    if not settings.WITHDRAW_AUTO_RECONCILE_ENABLED:
+        logger.info("withdraw auto reconcile disabled")
+        return None
+    if not settings.wxpay_configured:
+        logger.warning("withdraw auto reconcile enabled but wxpay not configured")
+    return asyncio.create_task(_run_loop(), name="withdraw-auto-reconcile")
+
+
+async def stop_withdraw_reconcile_worker(task: asyncio.Task | None) -> None:
+    if task is None:
+        return
+    task.cancel()
+    with contextlib.suppress(asyncio.CancelledError):
+        await task

app/integrations/wxpay.py

@@ -14,7 +14,9 @@ import base64
 import json
 import time
 import uuid
+from pathlib import Path
 
+import certifi
 import httpx
 from cryptography.hazmat.primitives import hashes, serialization
 from cryptography.hazmat.primitives.asymmetric import padding
@@ -23,6 +25,7 @@ from cryptography.hazmat.primitives.asymmetric.rsa import RSAPrivateKey, RSAPubl
 from app.core.config import settings
 
 _API_HOST = "https://api.mch.weixin.qq.com"
+_PROJECT_ROOT = Path(__file__).resolve().parents[2]
 _TRANSFER_PATH = "/v3/fund-app/mch-transfer/transfer-bills"
 # 免确认收款授权(用户授权免确认模式)
 _AUTH_PATH = "/v3/fund-app/mch-transfer/user-confirm-authorization"
@@ -38,15 +41,30 @@ class WxPayNotConfiguredError(Exception):
     """微信支付凭证 / 证书缺失,无法调用。"""
 
 
+def _http_client() -> httpx.Client:
+    """微信相关 HTTP 客户端。
+
+    显式使用当前 Python 环境的 certifi 证书,避免被外部 SSL_CERT_FILE 指到不存在文件。
+    代理仍允许从环境变量读取,方便本地开发。
+    """
+    return httpx.Client(verify=certifi.where())
+
+
+def _resolve_config_path(value: str) -> Path:
+    path = Path(value)
+    return path if path.is_absolute() else _PROJECT_ROOT / path
+
+
 def _load_private_key() -> RSAPrivateKey:
     global _private_key
     if _private_key is None:
+        key_path = _resolve_config_path(settings.WXPAY_MCH_PRIVATE_KEY_PATH)
         try:
-            with open(settings.WXPAY_MCH_PRIVATE_KEY_PATH, "rb") as f:
+            with key_path.open("rb") as f:
                 _private_key = serialization.load_pem_private_key(f.read(), password=None)
         except FileNotFoundError as e:
             raise WxPayNotConfiguredError(
-                f"商户私钥不存在: {settings.WXPAY_MCH_PRIVATE_KEY_PATH}"
+                f"商户私钥不存在: {key_path}"
             ) from e
     return _private_key
 
@@ -54,12 +72,13 @@ def _load_private_key() -> RSAPrivateKey:
 def _load_public_key() -> RSAPublicKey:
     global _public_key
     if _public_key is None:
+        key_path = _resolve_config_path(settings.WXPAY_PUBLIC_KEY_PATH)
         try:
-            with open(settings.WXPAY_PUBLIC_KEY_PATH, "rb") as f:
+            with key_path.open("rb") as f:
                 _public_key = serialization.load_pem_public_key(f.read())
         except FileNotFoundError as e:
             raise WxPayNotConfiguredError(
-                f"微信支付平台公钥不存在: {settings.WXPAY_PUBLIC_KEY_PATH}"
+                f"微信支付平台公钥不存在: {key_path}"
             ) from e
     return _public_key
 
@@ -126,7 +145,7 @@ def create_transfer(
         "Content-Type": "application/json",
         "Wechatpay-Serial": settings.WXPAY_PUBLIC_KEY_ID,
     }
-    with httpx.Client() as client:
+    with _http_client() as client:
         resp = client.post(
             f"{_API_HOST}{_TRANSFER_PATH}",
             content=body_str,
@@ -143,7 +162,7 @@ def query_transfer(out_bill_no: str) -> dict:
         "Authorization": _build_authorization("GET", path, ""),
         "Accept": "application/json",
     }
-    with httpx.Client() as client:
+    with _http_client() as client:
         resp = client.get(
             f"{_API_HOST}{path}", headers=headers, timeout=settings.WXPAY_REQUEST_TIMEOUT_SEC
         )
@@ -159,7 +178,7 @@ def cancel_transfer(out_bill_no: str) -> dict:
         "Accept": "application/json",
         "Content-Type": "application/json",
     }
-    with httpx.Client() as client:
+    with _http_client() as client:
         resp = client.post(
             f"{_API_HOST}{path}", headers=headers, timeout=settings.WXPAY_REQUEST_TIMEOUT_SEC
         )
@@ -171,16 +190,17 @@ def code_to_userinfo(code: str) -> dict:
     返回 {openid, nickname, avatar_url, raw}。失败抛 ValueError。
     注意:微信隐私新政下,部分 app 的 sns/userinfo 可能返回脱敏值(昵称"微信用户"/灰头像);
     nickname/avatar_url 可能为空,调用方需兜底。"""
-    r1 = httpx.get(
-        "https://api.weixin.qq.com/sns/oauth2/access_token",
-        params={
-            "appid": settings.WECHAT_APP_ID,
-            "secret": settings.WECHAT_APP_SECRET,
-            "code": code,
-            "grant_type": "authorization_code",
-        },
-        timeout=settings.WXPAY_REQUEST_TIMEOUT_SEC,
-    )
+    with _http_client() as client:
+        r1 = client.get(
+            "https://api.weixin.qq.com/sns/oauth2/access_token",
+            params={
+                "appid": settings.WECHAT_APP_ID,
+                "secret": settings.WECHAT_APP_SECRET,
+                "code": code,
+                "grant_type": "authorization_code",
+            },
+            timeout=settings.WXPAY_REQUEST_TIMEOUT_SEC,
+        )
     d1 = r1.json()
     if "openid" not in d1 or "access_token" not in d1:
         raise ValueError(f"微信授权失败: {d1.get('errmsg', d1)}")
@@ -191,11 +211,12 @@ def code_to_userinfo(code: str) -> dict:
     raw: dict = {}
     # userinfo 拉取失败不应让绑定失败(openid 已拿到),吞掉异常只是没昵称头像
     try:
-        r2 = httpx.get(
-            "https://api.weixin.qq.com/sns/userinfo",
-            params={"access_token": d1["access_token"], "openid": openid, "lang": "zh_CN"},
-            timeout=settings.WXPAY_REQUEST_TIMEOUT_SEC,
-        )
+        with _http_client() as client:
+            r2 = client.get(
+                "https://api.weixin.qq.com/sns/userinfo",
+                params={"access_token": d1["access_token"], "openid": openid, "lang": "zh_CN"},
+                timeout=settings.WXPAY_REQUEST_TIMEOUT_SEC,
+            )
         raw = r2.json()
         nickname = raw.get("nickname") or None
         avatar_url = raw.get("headimgurl") or None
@@ -244,7 +265,7 @@ def apply_transfer_authorization(
         "Accept": "application/json",
         "Content-Type": "application/json",
     }
-    with httpx.Client() as client:
+    with _http_client() as client:
         resp = client.post(
             f"{_API_HOST}{_AUTH_PATH}",
             content=body_str,
@@ -262,7 +283,7 @@ def query_transfer_authorization(out_authorization_no: str) -> dict:
         "Authorization": _build_authorization("GET", path, ""),
         "Accept": "application/json",
     }
-    with httpx.Client() as client:
+    with _http_client() as client:
         resp = client.get(
             f"{_API_HOST}{path}", headers=headers, timeout=settings.WXPAY_REQUEST_TIMEOUT_SEC
         )
@@ -277,7 +298,7 @@ def close_transfer_authorization(out_authorization_no: str) -> dict:
         "Accept": "application/json",
         "Content-Type": "application/json",
     }
-    with httpx.Client() as client:
+    with _http_client() as client:
         resp = client.post(
             f"{_API_HOST}{path}", headers=headers, timeout=settings.WXPAY_REQUEST_TIMEOUT_SEC
         )
@@ -319,7 +340,7 @@ def pre_transfer_with_authorization(
         "Content-Type": "application/json",
         "Wechatpay-Serial": settings.WXPAY_PUBLIC_KEY_ID,
     }
-    with httpx.Client() as client:
+    with _http_client() as client:
         resp = client.post(
             f"{_API_HOST}{_PRE_TRANSFER_AUTH_PATH}",
             content=body_str,
@@ -356,7 +377,7 @@ def transfer_with_authorization(
         "Content-Type": "application/json",
         "Wechatpay-Serial": settings.WXPAY_PUBLIC_KEY_ID,
     }
-    with httpx.Client() as client:
+    with _http_client() as client:
         resp = client.post(
             f"{_API_HOST}{_TRANSFER_WITH_AUTH_PATH}",
             content=body_str,

app/main.py

@@ -35,6 +35,10 @@ from app.api.v1.wallet import router as wallet_router
 from app.api.v1.wxpay import router as wxpay_router
 from app.core.config import settings
 from app.core.logging import setup_logging
+from app.core.withdraw_reconcile_worker import (
+    start_withdraw_reconcile_worker,
+    stop_withdraw_reconcile_worker,
+)
 
 setup_logging(debug=settings.APP_DEBUG)
 logger = logging.getLogger("shagua.main")
@@ -50,8 +54,12 @@ async def lifespan(_: FastAPI) -> AsyncIterator[None]:
         settings.APP_DEBUG,
         settings.DATABASE_URL.split("://", 1)[0],
     )
-    yield
-    logger.info("shutting down")
+    reconcile_task = start_withdraw_reconcile_worker()
+    try:
+        yield
+    finally:
+        await stop_withdraw_reconcile_worker(reconcile_task)
+        logger.info("shutting down")
 
 
 app = FastAPI(

app/models/wallet.py

@@ -10,7 +10,7 @@ from __future__ import annotations
 
 from datetime import datetime
 
-from sqlalchemy import DateTime, ForeignKey, Integer, String, func
+from sqlalchemy import DateTime, ForeignKey, Index, Integer, String, func, text
 from sqlalchemy.orm import Mapped, mapped_column
 
 from app.db.base import Base
@@ -76,6 +76,15 @@ class WithdrawOrder(Base):
     """
 
     __tablename__ = "withdraw_order"
+    __table_args__ = (
+        Index(
+            "ux_withdraw_order_user_active",
+            "user_id",
+            unique=True,
+            sqlite_where=text("status IN ('reviewing', 'pending')"),
+            postgresql_where=text("status IN ('reviewing', 'pending')"),
+        ),
+    )
 
     id: Mapped[int] = mapped_column(Integer, primary_key=True, autoincrement=True)
     user_id: Mapped[int] = mapped_column(
@@ -148,6 +157,15 @@ class CashTransaction(Base):
     """现金流水(单位:分)。金币兑现金、提现都记在这里。"""
 
     __tablename__ = "cash_transaction"
+    __table_args__ = (
+        Index(
+            "ux_cash_transaction_withdraw_refund_ref",
+            "ref_id",
+            unique=True,
+            sqlite_where=text("biz_type = 'withdraw_refund' AND ref_id IS NOT NULL"),
+            postgresql_where=text("biz_type = 'withdraw_refund' AND ref_id IS NOT NULL"),
+        ),
+    )
 
     id: Mapped[int] = mapped_column(Integer, primary_key=True, autoincrement=True)
     user_id: Mapped[int] = mapped_column(

app/repositories/wallet.py

@@ -12,6 +12,7 @@ import uuid
 from datetime import datetime, timedelta, timezone
 
 from sqlalchemy import select, update
+from sqlalchemy.exc import IntegrityError
 from sqlalchemy.orm import Session
 
 from app.core import rewards
@@ -31,6 +32,7 @@ from app.models.wallet import (
 _WX_STATE_SUCCESS = "SUCCESS"
 _WX_STATE_FAILED = {"FAIL", "CANCELLED", "CLOSED"}
 _WX_STATE_WAIT_CONFIRM = "WAIT_USER_CONFIRM"  # 用户还没在微信确认页确认
+_WITHDRAW_ACTIVE_STATUSES = {"reviewing", "pending"}
 # 免确认收款授权状态
 _WX_AUTH_ACTIVE = "TAKING_EFFECT"   # 已生效,可免确认转账
 _WX_AUTH_CLOSED = "CLOSED"          # 已关闭(用户/商户/风控),需重新开启
@@ -60,6 +62,10 @@ class InsufficientCashError(Exception):
     """现金余额不足。"""
 
 
+class WithdrawTooFrequentError(Exception):
+    """提现申请过于频繁,或已有未完成提现单。"""
+
+
 class WithdrawTransferError(Exception):
     """调用微信转账失败(已退回余额)。"""
 
@@ -283,6 +289,18 @@ def _refund_withdraw(
     """
     if order.status in ("failed", "rejected"):
         return  # 防重复退款(并发/对账与查单/重复拒绝同时触发)
+    refunded_txn_id = db.execute(
+        select(CashTransaction.id).where(
+            CashTransaction.user_id == order.user_id,
+            CashTransaction.biz_type == "withdraw_refund",
+            CashTransaction.ref_id == order.out_bill_no,
+        ).limit(1)
+    ).scalar_one_or_none()
+    if refunded_txn_id is not None:
+        order.status = final_status
+        order.fail_reason = reason[:256]
+        db.commit()
+        return
     bal = _add_cash(db, order.user_id, order.amount_cents)
     db.add(
         CashTransaction(
@@ -298,7 +316,30 @@ def _refund_withdraw(
     )
     order.status = final_status
     order.fail_reason = reason[:256]
-    db.commit()
+    out_bill_no = order.out_bill_no
+    user_id = order.user_id
+    try:
+        db.commit()
+    except IntegrityError:
+        # 并发退款兜底:唯一退款流水已被另一事务写入时,回滚本事务的加钱和流水,
+        # 再把订单状态补到终态。这样无论拒绝/查单/对账怎么并发,现金最多退一次。
+        db.rollback()
+        refunded_txn_id = db.execute(
+            select(CashTransaction.id).where(
+                CashTransaction.user_id == user_id,
+                CashTransaction.biz_type == "withdraw_refund",
+                CashTransaction.ref_id == out_bill_no,
+            ).limit(1)
+        ).scalar_one_or_none()
+        if refunded_txn_id is None:
+            raise
+        fresh_order = db.execute(
+            select(WithdrawOrder).where(WithdrawOrder.out_bill_no == out_bill_no)
+        ).scalar_one_or_none()
+        if fresh_order is not None and fresh_order.status not in ("failed", "rejected"):
+            fresh_order.status = final_status
+            fresh_order.fail_reason = reason[:256]
+            db.commit()
 
 
 def _wx_not_found(result: dict) -> bool:
@@ -385,6 +426,15 @@ def create_withdraw(
     else:
         out_bill_no = uuid.uuid4().hex
 
+    active_order_id = db.execute(
+        select(WithdrawOrder.id).where(
+            WithdrawOrder.user_id == user_id,
+            WithdrawOrder.status.in_(_WITHDRAW_ACTIVE_STATUSES),
+        ).limit(1)
+    ).scalar_one_or_none()
+    if active_order_id is not None:
+        raise WithdrawTooFrequentError
+
     # 账户须存在(原子扣款的 UPDATE 不会建账户)
     get_or_create_account(db, user_id, commit=True)
 
@@ -415,7 +465,26 @@ def create_withdraw(
         status="reviewing",
     )
     db.add(order)
-    db.commit()
+    try:
+        db.commit()
+    except IntegrityError:
+        db.rollback()
+        existing = db.execute(
+            select(WithdrawOrder).where(
+                WithdrawOrder.out_bill_no == out_bill_no, WithdrawOrder.user_id == user_id
+            )
+        ).scalar_one_or_none()
+        if existing is not None:
+            return existing
+        active_order_id = db.execute(
+            select(WithdrawOrder.id).where(
+                WithdrawOrder.user_id == user_id,
+                WithdrawOrder.status.in_(_WITHDRAW_ACTIVE_STATUSES),
+            ).limit(1)
+        ).scalar_one_or_none()
+        if active_order_id is not None:
+            raise WithdrawTooFrequentError from None
+        raise
     db.refresh(order)
     return order  # 待管理员审核;**不在此处打款**
 
@@ -703,7 +772,15 @@ def refresh_withdraw_status(
     if order.status != "pending":
         return order  # 已终态,不再查
 
-    result = wxpay.query_transfer(out_bill_no)
+    try:
+        result = wxpay.query_transfer(out_bill_no)
+    except wxpay.WxPayNotConfiguredError:
+        raise
+    except Exception as exc:  # noqa: BLE001 - 查单失败不能把运营后台打成 500
+        order.fail_reason = f"微信查单异常,保持pending: {exc}"[:256]
+        db.commit()
+        db.refresh(order)
+        return order
     if result["status_code"] != 200:
         if _wx_not_found(result):
             # 微信明确无此单 → 转账从未创建(如崩溃在扣款后/调用前),退款安全