diff --git a/SGGL/BLL/ZHGL/DataSync/ServerService.cs b/SGGL/BLL/ZHGL/DataSync/ServerService.cs
index b4773b63..c20b47a9 100644
--- a/SGGL/BLL/ZHGL/DataSync/ServerService.cs
+++ b/SGGL/BLL/ZHGL/DataSync/ServerService.cs
@@ -4,6 +4,7 @@ using RestSharp;
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Net;
 using System.Security.Policy;
 using System.Text;
 using System.Threading.Tasks;
@@ -20,6 +21,7 @@ namespace BLL
             var client = new RestClient(baseurl);
             client.Timeout = -1;
             var request = new RestRequest(Method.POST);
+            ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12;
             var thisUnitId = BLL.Const.UnitId_CD;
             var thisUnit = BLL.UnitService.GetUnitByUnitId(thisUnitId);
             request.AddParameter("UnitName", thisUnit.UnitName);
@@ -55,6 +57,7 @@ namespace BLL
             var client = new RestClient(baseurl);
             client.Timeout = -1;
             var request = new RestRequest(Method.POST);
+            ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12;
             var tokenItem = GetToken();
             request.AddHeader("token", tokenItem.Token);
             request.AddJsonBody(JsonBody);
diff --git a/SGGL/FineUIPro.Web/SysManage/SysConstSet.aspx.cs b/SGGL/FineUIPro.Web/SysManage/SysConstSet.aspx.cs
index 1c7f4454..af736f74 100644
--- a/SGGL/FineUIPro.Web/SysManage/SysConstSet.aspx.cs
+++ b/SGGL/FineUIPro.Web/SysManage/SysConstSet.aspx.cs
@@ -8,6 +8,7 @@ using BLL;
 using Newtonsoft.Json;
 using RestSharp;
 using Model;
+using System.Net;
 
 namespace FineUIPro.Web.SysManage
 {
@@ -1161,6 +1162,7 @@ namespace FineUIPro.Web.SysManage
             var client = new RestClient(baseurl);
             client.Timeout = -1;
             var request = new RestRequest(Method.POST);
+            ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12;
             var thisUnit = BLL.UnitService.GetUnitByUnitId(BLL.Const.UnitId_CD);
             request.AddParameter("UnitName", thisUnit.UnitName);
             request.AddParameter("CollCropCode", thisUnit.CollCropCode);