后端【优化】: 用户如果自主注册，将无上级，特后台增加开关，可控制此类用户二次扫码别人的分享海报，是否可以继续进行上下级关联推送。前端已同步更新此功能。

CoreCms.Net.Web.WebApi/Controllers/CommonController.cs

@@ -188,6 +188,7 @@ namespace CoreCms.Net.Web.WebApi.Controllers
 
 
             var checkInIsOpen = CommonHelper.GetConfigDictionary(allConfigs, SystemSettingConstVars.CheckInIsOpen).ObjectToInt(2); //订单取消时间
+            var isAllowUserSecondBind = CommonHelper.GetConfigDictionary(allConfigs, SystemSettingConstVars.IsAllowUserSecondBind).ObjectToInt(2); //订单取消时间
 
 
             var model = new
@@ -256,7 +257,8 @@ namespace CoreCms.Net.Web.WebApi.Controllers
                 indexPopupWindowHrefUrl,
                 showCustomForm,
                 showLiveBroadCast,
-                allowAddressToUseMap
+                allowAddressToUseMap,
+                isAllowUserSecondBind
             };
             jm.data = model;
             return jm;