diff --git a/scripts/vscode-package.py b/scripts/vscode-package.py
index 541a713..d3f5fa1 100644
--- a/scripts/vscode-package.py
+++ b/scripts/vscode-package.py
@@ -66,7 +66,8 @@ def modify_vsix():
     # webview
     print("")
     copy_dir('./resources/dide-netlist/view', os.path.join(extract_folder, 'extension', 'resources', 'dide-netlist', 'view'))
-    copy_dir('./resources/dide-netlist/static', os.path.join(extract_folder, 'extension', 'resources', 'dide-viewer', 'static'))
+    copy_dir('./resources/dide-netlist/static/share', os.path.join(extract_folder, 'extension', 'resources', 'dide-viewer', 'static', 'share'))
+    copy_file('./resources/dide-netlist/static/yosys.wasm', os.path.join(extract_folder, 'extension', 'resources', 'dide-viewer', 'static', 'yosys.wasm'))
 
     print("")
     copy_dir('./resources/dide-viewer/view', os.path.join(extract_folder, 'extension', 'resources', 'dide-viewer', 'view'))
diff --git a/src/function/dide-netlist/index.ts b/src/function/dide-netlist/index.ts
index 9b5dd67..30600b2 100644
--- a/src/function/dide-netlist/index.ts
+++ b/src/function/dide-netlist/index.ts
@@ -81,7 +81,7 @@ class Netlist {
         }
 
         const wasm = this.wasm;
-        const wasi = this.makeWasi(targetYs);
+        const { wasi, fd } = this.makeWasi(targetYs);
         
         const netlistPayloadFolder = hdlPath.join(opeParam.prjInfo.prjPath, 'netlist');
         const targetJson = hdlPath.join(netlistPayloadFolder, moduleName + '.json');
@@ -111,7 +111,7 @@ class Netlist {
             return;
         }
 
-        this.create(moduleName);
+        this.create(moduleName, fd);
     }
 
     private getSynthMode(): SynthMode {
@@ -166,7 +166,7 @@ class Netlist {
         hdlFile.removeFile(logFilePath);
         const logFd = fs.openSync(logFilePath, 'a');
 
-        return new WASI({
+        const wasi = new WASI({
             version: 'preview1',
             args: [
                 'yosys',
@@ -185,6 +185,8 @@ class Netlist {
             // stderr: logFd,
             env: process.env
         });
+
+        return { wasi, fd: logFd };
     }
 
     private async loadWasm() {
@@ -198,7 +200,7 @@ class Netlist {
         return wasm;
     }
  
-    private create(moduleName: string) {
+    private create(moduleName: string, fd: number) {
         // Create panel
         this.panel = vscode.window.createWebviewPanel(
             'Netlist',
@@ -212,7 +214,7 @@ class Netlist {
         );
 
         this.panel.onDidDispose(() => {
-
+            fs.closeSync(fd);
         });
 
         this.panel.webview.onDidReceiveMessage(message => {