diff --git a/examples/command-line/test.js b/examples/command-line/test.js
index 8f66a6f..d3c7aca 100644
--- a/examples/command-line/test.js
+++ b/examples/command-line/test.js
@@ -48,6 +48,11 @@ function decodeFileStreamAsync(fileName) {
         try {
           var result = await dbr.decodeFileStreamAsync(buffer, fileSize, barcodeTypes, template);
           console.log(result);
+
+          // dbr.destroyInstance();
+          setTimeout(() => {
+            console.log('terminated');
+          }, 1000);
         } catch (error) {
           console.log(error);
         }
diff --git a/package.json b/package.json
index 2de7d01..c13c646 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "barcode4nodejs",
-  "version": "9.6.31",
+  "version": "9.6.40",
   "description": "Node.js bindings to Dynamsoft Barcode Reader C/C++ SDK.",
   "keywords": [
     "barcode",