diff --git a/29WxOrderWpf/StartUp.cs b/29WxOrderWpf/StartUp.cs
index 06276b9..f5c80c5 100644
--- a/29WxOrderWpf/StartUp.cs
+++ b/29WxOrderWpf/StartUp.cs
@@ -61,7 +61,11 @@ namespace _29WxOrderWpf
             {
                 BaseClass.Balance = BaseRegex.GetDecimalJson(ref html, "balance");
                 MainWindow.Instance.Balance = BaseClass.Balance.ToString("0.00");
-            }
+
+				// 更新下每单扣费金额
+				BaseClass.PostagePerOrder = Math.Max(2.2m, BaseRegex.GetDecimalJson(ref html, "postage_per_order"));
+				BaseClass.RefundPostagePerOrder = Math.Max(2.5m, BaseRegex.GetDecimalJson(ref html, "refund_postage_per_order"));
+			}
         }
     }
 }
diff --git a/Work/_29Tools/Forms/UserForms/WXGetBalanceQrCodeForm.cs b/Work/_29Tools/Forms/UserForms/WXGetBalanceQrCodeForm.cs
index ec7ba25..f516212 100644
--- a/Work/_29Tools/Forms/UserForms/WXGetBalanceQrCodeForm.cs
+++ b/Work/_29Tools/Forms/UserForms/WXGetBalanceQrCodeForm.cs
@@ -192,6 +192,8 @@ namespace Work._29Tools.Forms.UserForms
 			paymentList = JsonHelper.DeserializeJsonToList<user_payment_record>(JsonHelper.JObjectParse(html3)["data"].ParseToString());
 			foreach (var payment in paymentList)
 			{
+				if (!this.Created)
+					return;
 				Invoke(new Action(() =>
 				{
 					var rowIndex = this.dgvPayment.Rows.Add(