diff --git a/projects/IoTNode/update1.0.0.530.sql b/projects/IoTNode/200827.sql
similarity index 100%
rename from projects/IoTNode/update1.0.0.530.sql
rename to projects/IoTNode/200827.sql
diff --git a/projects/IoTNode/IoTNode.csproj b/projects/IoTNode/IoTNode.csproj
index fbc6908a..67ed2f1f 100644
--- a/projects/IoTNode/IoTNode.csproj
+++ b/projects/IoTNode/IoTNode.csproj
@@ -25,7 +25,7 @@
 		<None Update="update.sh">
 			<CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
 		</None>
-		<None Update="update1.0.0.530.sql">
+		<None Update="200827.sql">
 		  <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
 		</None>
 	</ItemGroup>
diff --git a/projects/IoTNode/Program.cs b/projects/IoTNode/Program.cs
index 896aa3ee..155285dc 100644
--- a/projects/IoTNode/Program.cs
+++ b/projects/IoTNode/Program.cs
@@ -32,50 +32,4 @@ namespace IoTNode
                 .Run();
         }
     }
-}
-/*
-1.程序
-（1）检查升级程序是否需要升级
-（2）升级升级程序
-（3）下载升级程序，检查checksum
-（4）备份现有升级程序
-（5）关闭升级程序
-（6）升级升级程序:ui, db->start
-（7）升级失败，还原升级程序，写入失败信息到程序存储
-（8）升级成功，启动升级程序
-（9）发送升级命令给升级程序
-2.升级程序
-（1）检查程序是否需要升级
-（2）下载新程序，检查checksum
-（3）备份现有程序
-（4）升级程序
-（5）失败还原
-（6）成功启动
-*/
-/*
-/// <summary>
-    /// <PackageReference Include="Kveer.XmlRPC" Version="1.1.1" />
-    /// http://www.xml-rpc.net/faq/xmlrpcnetfaq-2-5-0.html#2.5
-    /// http://supervisord.org/api.html
-    /// </summary>
-    [XmlRpcUrl("http://iot.edusoa.com:8003/RPC2")]
-    public interface ISupervisor : IXmlRpcProxy
-    {
-        [XmlRpcMethod("system.listMethods")]
-        string SystemListMethods(int stateNumber);
-    }
-
-    class Program
-    {
-        static void Main(string[] args)
-        {
-            var proxy = XmlRpcProxyGen.Create<ISupervisor>();
-            proxy.Credentials = new NetworkCredential("usr", "pwd");
-            var list = proxy.SystemListMethods();
-            foreach (var item in list)
-            {
-                Console.WriteLine(item);
-            }
-        }
-    }
-*/
\ No newline at end of file
+}
\ No newline at end of file
diff --git a/projects/IoTNode/Startup.cs b/projects/IoTNode/Startup.cs
index 90653003..8d5e39ae 100644
--- a/projects/IoTNode/Startup.cs
+++ b/projects/IoTNode/Startup.cs
@@ -63,7 +63,8 @@ namespace IoTNode
             app.UseHangfireDashboard("/job", options);
 
             app.UseHangfireServer();
-            UpdateDataBase(app, "update1.0.0.530.sql", () => Helper.Instance.GetVersion() == "1.0.0.530");
+            var version = Convert.ToInt64(Helper.Instance.GetVersion().Replace(".", ""));
+            UpdateDataBase(app, "10020082702.sql", () => version < 10020082702);
             UpdateVersion(app);
         }