【修复】修复会员升级等级，TakeWhile取值为空的问题。

CoreCms.Net.RedisMQ/Subscribe/UserSubscribe.cs

@@ -100,13 +100,22 @@ namespace CoreCms.Net.RedisMQ.Subscribe
 
                 //判断是否符合升级条件
                 var userGradeId = 0;
-                foreach (var item in userGradeModel.TakeWhile(item => defaultModel == null || defaultModel.prioritySortId > item.prioritySortId).Where(item => developNum >= item.developNum && expenditureMoney >= item.expenditureMoney && rechargeAmount >= item.rechargeAmount))
+
+                //权限从小向大找，直到升级到不满足的情况下。
+                foreach (var item in userGradeModel
+                             .Where(item =>
+                                 defaultModel != null &&
+                                 defaultModel.prioritySortId < item.prioritySortId &&
+                                 developNum >= item.developNum &&
+                                 expenditureMoney >= item.expenditureMoney &&
+                                 rechargeAmount >= item.rechargeAmount
+                             ))
                 {
                     userGradeId = item.id;
                 }
                 if (userGradeId > 0)
                 {
-                    await _userServices.UpdateAsync(p => new CoreCmsUser() {grade = userGradeId}, p => p.id == userInfo.id);
+                    await _userServices.UpdateAsync(p => new CoreCmsUser() { grade = userGradeId }, p => p.id == userInfo.id);
                 }
 
                 NLogUtil.WriteAll(NLog.LogLevel.Info, LogType.RedisMessageQueue, "订单完成-用户升级处理", msg);