diff --git a/lib/hub/hub_bridge_register.py b/lib/hub/hub_bridge_register.py
index fa27315..267fdcd 100644
--- a/lib/hub/hub_bridge_register.py
+++ b/lib/hub/hub_bridge_register.py
@@ -148,13 +148,17 @@ def _enrich_hub_protocol(snap: dict[str, Any], *, app_module: Any) -> dict[str,
         except (TypeError, ValueError):
             return None
 
-    # 账户资金口径:优先 USDT 资+交;都空则回退 USDC(≈U)
-    equity_parts = [_f(trading_usdt), _f(funding_usdt)]
-    if all(x is None for x in equity_parts):
-        equity_parts = [_f(trading_usdc), _f(funding_usdc)]
-    known = [x for x in equity_parts if x is not None]
-    equity_usdt = round(sum(known), 4) if known else None
+    # 账户可用余额:优先 USDT 资+交;都空则回退 USDC(≈U)
+    cash_parts = [_f(trading_usdt), _f(funding_usdt)]
+    if all(x is None for x in cash_parts):
+        cash_parts = [_f(trading_usdc), _f(funding_usdc)]
+    cash_known = [x for x in cash_parts if x is not None]
+    cash_usdt = round(sum(cash_known), 4) if cash_known else None
     premium_usdt = round(premium_total_usdt, 4) if has_premium else (0.0 if not slim_pos else None)
+    # 占比分母 = 当前余额 + 已付权利金(权利金已从余额扣出,需加回才是完整账户资金)
+    equity_usdt = None
+    if cash_usdt is not None or premium_usdt is not None:
+        equity_usdt = round(float(cash_usdt or 0.0) + float(premium_usdt or 0.0), 4)
     ratio_pct = None
     if premium_usdt is not None and equity_usdt is not None and equity_usdt > 1e-9:
         ratio_pct = round(float(premium_usdt) / float(equity_usdt) * 100.0, 2)
@@ -164,6 +168,7 @@ def _enrich_hub_protocol(snap: dict[str, Any], *, app_module: Any) -> dict[str,
     }
     out["premium"] = {
         "paid_usdt": premium_usdt,
+        "cash_usdt": cash_usdt,
         "equity_usdt": equity_usdt,
         "ratio_pct": ratio_pct,
     }