执行流量费返佣暂时20天以内，补盒子

AppStart/Helper/StatService.cs

@@ -1249,7 +1249,7 @@ namespace MySystem
             function.WriteLog(DateTime.Now.ToString(), "执行流量费返佣");
             SpModels.WebCMSEntities spdb = new SpModels.WebCMSEntities();
             WebCMSEntities db = new WebCMSEntities();
-            DateTime start = DateTime.Now.AddDays(-2);
+            DateTime start = DateTime.Now.AddDays(-20);
             List<SpModels.TradeFluxRecord> trades = spdb.TradeFluxRecord.Where(m => m.CreateDate >= start && m.Status == 1).ToList();
             foreach (SpModels.TradeFluxRecord trade in trades)
             {