diff --git a/lib/options/options_monitor_lib.py b/lib/options/options_monitor_lib.py
index afa100d..8b34c93 100644
--- a/lib/options/options_monitor_lib.py
+++ b/lib/options/options_monitor_lib.py
@@ -375,15 +375,16 @@ def sync_open_options_trades(
                 pass
     if notify_cfg is not None:
         _notify_recent_unsent_expiry_closes(conn, notify_cfg)
-        _sell_spot_after_synced_closes(notify_cfg, closed_inst_ids)
+    # 卖币不在此处做:调用方须先 commit/close 本连接,再调 sell_spot_after_options_sync,
+    # 否则监控线程握锁时中控快照会超时,表现为全部离线。
     return updated
 
 
-def _sell_spot_after_synced_closes(
-    cfg: dict[str, Any],
-    closed_inst_ids: list[str],
+def sell_spot_after_options_sync(
+    cfg: dict[str, Any] | None,
+    closed_inst_ids: list[str] | None = None,
 ) -> None:
-    """同步关仓(含到期)后卖回币本位残留;空仓时再扫一遍交易户."""
+    """在释放业务 DB 连接后调用:同步关仓/到期后的币本位卖回."""
     if not isinstance(cfg, dict):
         return
     ex = cfg.get("exchange_options")
@@ -540,9 +541,14 @@ def options_monitor_loop(
                 pe_cfg = dict(profit_exit_cfg or {})
                 pe_cfg.setdefault("send_wechat", send_wechat)
                 pe_cfg.setdefault("account_label", account_label)
+                # 平仓/卖币会另开 DB 连接;先提交释放写锁,避免中控快照被锁超时→全部离线
                 if target_close_fn is not None:
                     from lib.options.options_target_lib import run_options_target_closes
 
+                    try:
+                        conn.commit()
+                    except Exception:
+                        pass
                     run_options_target_closes(
                         conn,
                         positions,
@@ -554,6 +560,10 @@ def options_monitor_loop(
                 if profit_exit_close_fn is not None:
                     from lib.options.options_profit_exit_lib import run_options_profit_exits
 
+                    try:
+                        conn.commit()
+                    except Exception:
+                        pass
                     run_options_profit_exits(
                         conn,
                         positions,
@@ -564,10 +574,22 @@ def options_monitor_loop(
                         ex=pe_cfg.get("exchange_options"),
                     )
                 if sync_trades_fn is not None:
+                    try:
+                        conn.commit()
+                    except Exception:
+                        pass
                     sync_trades_fn(conn)
                 conn.commit()
             finally:
                 conn.close()
+            # 币本位扫尾卖回:必须在监控连接关闭之后
+            try:
+                pe_sell = dict(profit_exit_cfg or {})
+                pe_sell.setdefault("send_wechat", send_wechat)
+                pe_sell.setdefault("account_label", account_label)
+                sell_spot_after_options_sync(pe_sell)
+            except Exception:
+                pass
             # 平仓限价挂单超时撤单(独立于 DB 事务)
             if stale_pending_fn is not None:
                 try:
diff --git a/lib/options/options_register.py b/lib/options/options_register.py
index 7638ca4..d1d9007 100644
--- a/lib/options/options_register.py
+++ b/lib/options/options_register.py
@@ -459,9 +459,9 @@ def _sync_options_trades(
     finally:
         conn.close()
     try:
-        from lib.options.options_coin_open_lib import sweep_spot_after_options_flat
+        from lib.options.options_monitor_lib import sell_spot_after_options_sync
 
-        sweep_spot_after_options_flat(cfg, ex)
+        sell_spot_after_options_sync(cfg)
         _mark_balances_stale(cfg)
     except Exception:
         pass
@@ -1991,20 +1991,12 @@ def _start_monitor_thread(app: Flask, cfg: dict[str, Any]) -> None:
             return 0
         live_ids = {str(p.get("instId") or "") for p in raw if str(p.get("instId") or "")}
         reconcile_live_open_trades(conn, live_inst_ids=live_ids)
-        n = sync_open_options_trades(
+        return sync_open_options_trades(
             conn,
             live_inst_ids=live_ids,
             fetch_history_fn=lambda inst_id: fetch_option_position_history(ex, inst_id),
             notify_cfg=cfg,
         )
-        try:
-            from lib.options.options_coin_open_lib import sweep_spot_after_options_flat
-
-            sweep_spot_after_options_flat(cfg, ex)
-            _mark_balances_stale(cfg)
-        except Exception:
-            pass
-        return n
 
     def _target_close(inst_id: str) -> dict[str, Any]:
         from lib.options.options_target_lib import close_option_by_bid_depth