diff --git a/Admin.NET/Admin.NET.Core/Service/Wechat/SysWechatPayService.cs b/Admin.NET/Admin.NET.Core/Service/Wechat/SysWechatPayService.cs
index 04423fc0..af365498 100644
--- a/Admin.NET/Admin.NET.Core/Service/Wechat/SysWechatPayService.cs
+++ b/Admin.NET/Admin.NET.Core/Service/Wechat/SysWechatPayService.cs
@@ -5,6 +5,7 @@
 // 不得利用本项目从事危害国家安全、扰乱社会秩序、侵犯他人合法权益等法律法规禁止的活动！任何基于本项目二次开发而产生的一切法律纠纷和责任，我们不承担任何责任！
 
 using Furion.Logging.Extensions;
+using NewLife;
 using Newtonsoft.Json;
 
 namespace Admin.NET.Core.Service;
@@ -77,9 +78,10 @@ public class SysWechatPayService : IDynamicApiController, ITransient
     /// <param name="input"></param>
     /// <returns></returns>
     [DisplayName("生成JSAPI调起支付所需参数")]
-    public dynamic GenerateParametersForJsapiPay(WechatPayParaInput input)
+    public WechatPayParaOutput GenerateParametersForJsapiPay(WechatPayParaInput input)
     {
-        return _wechatTenpayClient.GenerateParametersForJsapiPayRequest(_wechatPayOptions.AppId, input.PrepayId);
+        var result = _wechatTenpayClient.GenerateParametersForJsapiPayRequest(_wechatPayOptions.AppId, input.PrepayId);
+        return result.Adapt<WechatPayParaOutput>();
     }
 
     /// <summary>
@@ -91,10 +93,14 @@ public class SysWechatPayService : IDynamicApiController, ITransient
         string outTradeNumber = DateTimeOffset.Now.ToString("yyyyMMddHHmmssfff") + (new Random()).Next(100, 1000); // 微信需要的订单号(唯一)
 
         // 检查订单信息是否已存在(使用“商户交易单号+状态”唯一性判断)
-        var wechatPay = await _sysWechatPayRep.GetFirstAsync(u => u.OrderId == input.OrderId && u.OrderStatus == input.OrderStatus);
-        if (wechatPay != null)
+        SysWechatPay wechatPay = null;
+        if (!string.IsNullOrEmpty(input.OrderId))
         {
-            outTradeNumber = wechatPay.OutTradeNumber;
+            wechatPay = await _sysWechatPayRep.GetFirstAsync(u => u.OrderId == input.OrderId && u.OrderStatus == input.OrderStatus);
+            if (wechatPay != null)
+            {
+                outTradeNumber = wechatPay.OutTradeNumber;
+            }
         }
 
         var request = new CreatePayTransactionJsapiRequest()