【优化】用户支付api增加redis锁，防止出现多次点击可能存在二次支付的问题。

CoreCms.Net.Services/User/CoreCmsUserBalanceServices.cs

@@ -67,11 +67,9 @@ namespace CoreCms.Net.Services
             {
                 try
                 {
-                    _unitOfWork.BeginTran();
-
                     //取用户实际余额
                     //(会员陌小北提供)
-                    var userInfo = await userServices.QueryByClauseWithTranLockAsync(p => p.id == userId, p => p.id, OrderByType.Desc, true);
+                    var userInfo = await userServices.QueryByClauseAsync(p => p.id == userId, p => p.id, OrderByType.Desc, true);
 
                     if (userInfo == null)
                     {
@@ -90,7 +88,6 @@ namespace CoreCms.Net.Services
                     if (type != (int)GlobalEnumVars.UserBalanceSourceTypes.Admin)
                     {
                         //后台充值或调不改绝对值
-
                     }
                     //如果是减余额的操作，还是加余额操作
                     if (type is (int)GlobalEnumVars.UserBalanceSourceTypes.Pay or (int)GlobalEnumVars.UserBalanceSourceTypes.Tocash)
@@ -117,6 +114,9 @@ namespace CoreCms.Net.Services
                     balanceModel.sourceId = sourceId;
                     balanceModel.memo = memo;
                     balanceModel.createTime = DateTime.Now;
+
+                    _unitOfWork.BeginTran();
+
                     //增加记录
                     var balanceModelId = await _dal.InsertAsync(balanceModel);
                     balanceModel.id = balanceModelId;