diff --git a/CoreCms.Net.Services/Pay/WeChatPayServices.cs b/CoreCms.Net.Services/Pay/WeChatPayServices.cs
index dae8cd63..e805d046 100644
--- a/CoreCms.Net.Services/Pay/WeChatPayServices.cs
+++ b/CoreCms.Net.Services/Pay/WeChatPayServices.cs
@@ -130,9 +130,14 @@ namespace CoreCms.Net.Services
                 SpBillCreateIp = entity.ip,
                 NotifyUrl = weChatPayUrl,
                 TradeType = tradeType,
-                OpenId = openId
+                //OpenId = openId
             };
 
+            if (tradeType == GlobalEnumVars.WeiChatPayTradeType.JSAPI.ToString())
+            {
+                orderRequest.OpenId = openId;
+            }
+
             var response = await _client.ExecuteAsync(orderRequest, _optionsAccessor.Value);
             if (response.ReturnCode == WeChatPayCode.Success && response.ResultCode == WeChatPayCode.Success)
             {
@@ -140,8 +145,19 @@ namespace CoreCms.Net.Services
                 {
                     Package = "prepay_id=" + response.PrepayId
                 };
-
-                var parameter = await _client.ExecuteAsync(req, _optionsAccessor.Value);
+                WeChatPayDictionary parameter;
+                if (tradeType == GlobalEnumVars.WeiChatPayTradeType.APP.ToString())
+                {
+                    var reqApp = new WeChatPayAppSdkRequest()
+                    {
+                        PrepayId = response.PrepayId
+                    };
+                    parameter = await _client.ExecuteAsync(reqApp, _optionsAccessor.Value);
+                }
+                else
+                {
+                    parameter = await _client.ExecuteAsync(req, _optionsAccessor.Value);
+                }
                 // 将参数(parameter)给 公众号前端 让他在微信内H5调起支付(https://pay.weixin.qq.com/wiki/doc/api/jsapi.php?chapter=7_7&index=6)
                 parameter.Add("paymentId", entity.paymentId);