diff --git a/Plugins/YLErp.Plugins.GuoLian/DocumentGenerator/TradeConfirmationGenerator.cs b/Plugins/YLErp.Plugins.GuoLian/DocumentGenerator/TradeConfirmationGenerator.cs
index ade5d22a..a4047271 100644
--- a/Plugins/YLErp.Plugins.GuoLian/DocumentGenerator/TradeConfirmationGenerator.cs
+++ b/Plugins/YLErp.Plugins.GuoLian/DocumentGenerator/TradeConfirmationGenerator.cs
@@ -471,7 +471,7 @@ namespace YLErp.Plugins.GuoLian.DocumentGenerator
                 var notional = trade.OriginalStockEqvNotional ?? 0;
                 var tradingFee = (double)swapPosition.PosiTradingFeePending;
                 var basicFeeRate = notional == 0 ? 0 : tradingFee / notional * 100;
-                dic["基本费率"] = basicFeeRate.ToString("0.##");
+                dic["基本费率"] = basicFeeRate.ToString("0.####");
 
                 // 期初现金交换比例和金额（使用初始预付金数据）
                 dic["期初现金交换比例"] = initialMarginPosition != null