diff --git a/modules/risk/account_risk_lib.py b/modules/risk/account_risk_lib.py
index e104756..364fd0c 100644
--- a/modules/risk/account_risk_lib.py
+++ b/modules/risk/account_risk_lib.py
@@ -322,8 +322,10 @@ def effective_active_position_count(
     *,
     ctp_connected: Optional[bool] = None,
 ) -> int:
-    """风控持仓数：品种+方向槽位去重；滚仓不计入新仓位。"""
-    keys = active_position_slots_from_monitors(conn)
+    """风控持仓数：按品种+方向槽位去重；滚仓/加仓共用监控，不额外占槽。"""
+    monitor_keys = active_position_slots_from_monitors(conn)
+    if monitor_keys:
+        return len(monitor_keys)
     if ctp_connected is None:
         try:
             from modules.ctp.vnpy_bridge import ctp_status
@@ -331,13 +333,16 @@ def effective_active_position_count(
             ctp_connected = bool(ctp_status(mode).get("connected"))
         except Exception:
             ctp_connected = False
-    if ctp_connected:
-        try:
-            from modules.ctp.ctp_trading_state import trading_state
+    if not ctp_connected:
+        return 0
+    keys: set[tuple[str, str]] = set()
+    try:
+        from modules.ctp.ctp_trading_state import trading_state
 
-            keys |= _position_keys_from_rows(trading_state.get_positions())
-        except Exception:
-            pass
+        keys |= _position_keys_from_rows(trading_state.get_positions())
+    except Exception:
+        pass
+    if not keys:
         try:
             from modules.trading.position_stream import position_hub
 
diff --git a/modules/web/static/js/dashboard.js b/modules/web/static/js/dashboard.js
index 4060b02..e9325d8 100644
--- a/modules/web/static/js/dashboard.js
+++ b/modules/web/static/js/dashboard.js
@@ -424,8 +424,8 @@
                     : 0;
                 if (
                     !isNaN(incN) && !isNaN(prevN)
-                    && incN < prevN
-                    && (marginUsed > 0 || prevN > 0)
+                    && incN === 0 && prevN > 0
+                    && marginUsed > 0
                 ) {
                     risk.status.active_count = prevN;
                 }