diff --git a/neo3-gui/neo3-gui/ClientApp/node-manager.js b/neo3-gui/neo3-gui/ClientApp/node-manager.js
index 958ecb7b..c540733c 100644
--- a/neo3-gui/neo3-gui/ClientApp/node-manager.js
+++ b/neo3-gui/neo3-gui/ClientApp/node-manager.js
@@ -1,6 +1,9 @@
 const { spawn } = require('child_process');
 const path = require('path');
-
+const isMac = process.platform === "darwin";
+const isWin = process.platform === "win32";
+// const appPath = remote.app.getAppPath();
+// const isPack = remote.app.isPackaged;
 
 class NodeManager {
 
@@ -24,9 +27,20 @@ class NodeManager {
     }
 
     runCommand(command, env) {
-        let startPath = __dirname.replace("app.asar", "");
+        const startPath = __dirname.replace("app.asar", "");
         console.log(startPath);
-        const ps = spawn(command, [], { shell: true, encoding: 'utf8', cwd: path.join(startPath, 'build-neo-node'), env });
+        const parentEnv = process.env;
+        const childEnv = { ...parentEnv, ...env };
+        if (isWin) {
+
+        }
+        else if (isMac) {
+            childEnv.PATH = childEnv.PATH + ":/usr/local/share/dotnet";
+        }
+        else {
+
+        }
+        const ps = spawn(command, [], { shell: true, encoding: 'utf8', cwd: path.join(startPath, 'build-neo-node'), env: childEnv });
         // ps.stdout.setEncoding('utf8');
         ps.stdout.on('data', (data) => {
             // var str = iconv.decode(new Buffer(data), 'gbk')
diff --git a/neo3-gui/neo3-gui/ClientApp/src/config.js b/neo3-gui/neo3-gui/ClientApp/src/config.js
index dc177b5e..67f3adce 100644
--- a/neo3-gui/neo3-gui/ClientApp/src/config.js
+++ b/neo3-gui/neo3-gui/ClientApp/src/config.js
@@ -1,12 +1,10 @@
-class Config{
-
+class Config {
     RPCURL = "http://localhost:8081";
-    Language="en";
+    Language = "en";
 
 }
 
-const config=new Config();
+const config = new Config();
 
-console.log("nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn")
 
 export default config;
\ No newline at end of file
diff --git a/neo3-gui/neo3-gui/neo3-gui.csproj b/neo3-gui/neo3-gui/neo3-gui.csproj
index 6c4a79a0..2df1d7ba 100644
--- a/neo3-gui/neo3-gui/neo3-gui.csproj
+++ b/neo3-gui/neo3-gui/neo3-gui.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>netcoreapp3.0</TargetFramework>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
     <RootNamespace>Neo</RootNamespace>
     <SpaRoot>ClientApp\</SpaRoot>
     <DefaultItemExcludes>$(SpaRoot)node_modules\**;Data*\**</DefaultItemExcludes>