diff --git a/AtgwInnerCli/AtgwInnerCli.csproj b/AtgwInnerCli/AtgwInnerCli.csproj
index 64618ae..474122e 100644
--- a/AtgwInnerCli/AtgwInnerCli.csproj
+++ b/AtgwInnerCli/AtgwInnerCli.csproj
@@ -2,7 +2,7 @@
 <Project ToolsVersion="14.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
   <PropertyGroup>
-    <MinimumVisualStudioVersion>11.0</MinimumVisualStudioVersion>
+    <MinimumVisualStudioVersion>14.0</MinimumVisualStudioVersion>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
     <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
     <ProjectGuid>{FBC5A92C-167B-4E57-9F3A-2CBAABDC3451}</ProjectGuid>
@@ -13,8 +13,9 @@
     <DefaultLanguage>zh-CN</DefaultLanguage>
     <FileAlignment>512</FileAlignment>
     <ProjectTypeGuids>{786C830F-07A1-408B-BD7F-6EE04809D6DB};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
-    <TargetFrameworkProfile>Profile111</TargetFrameworkProfile>
-    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
+    <TargetFrameworkProfile>
+    </TargetFrameworkProfile>
+    <TargetFrameworkVersion>v5.0</TargetFrameworkVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
diff --git a/AtgwInnerCli/atframe/gw/inner/ClientProtocol.cs b/AtgwInnerCli/atframe/gw/inner/ClientProtocol.cs
index e657d88..f015a58 100644
--- a/AtgwInnerCli/atframe/gw/inner/ClientProtocol.cs
+++ b/AtgwInnerCli/atframe/gw/inner/ClientProtocol.cs
@@ -230,16 +230,19 @@ public ClientProtocol()
             }
             else
             {
-                _binder_manager.Add(NativeProtocol, this);
+                lock (_binder_manager) {
+                    _binder_manager.Add(NativeProtocol, this);
+                }
             }
         }
 
         ~ClientProtocol()
         {
-            if (null != _native_protocol)
-            {
+            if (null != _native_protocol) {
                 libatgw_inner_v1_c_destroy(_native_protocol);
-                _binder_manager.Remove(_native_protocol);
+                lock (_binder_manager) {
+                    _binder_manager.Remove(_native_protocol);
+                }
             }
         }
 
diff --git a/AtgwInnerCli/project.json b/AtgwInnerCli/project.json
index d63fbb7..1d719cb 100644
--- a/AtgwInnerCli/project.json
+++ b/AtgwInnerCli/project.json
@@ -1,7 +1,10 @@
-{
+{
   "supports": {},
-  "dependencies": {},
+  "dependencies": {
+    "Microsoft.NETCore.Portable.Compatibility": "1.0.1",
+    "NETStandard.Library": "1.6.0"
+  },
   "frameworks": {
-    ".NETPortable,Version=v4.5,Profile=Profile111": {}
+    "netstandard1.3": {}
   }
 }
\ No newline at end of file
diff --git a/LICENSE b/LICENSE
index f429c98..bcf4d36 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2016 atframework
+Copyright (c) 2017 atframework
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal