diff --git a/main.js b/main.js
index 8bf6d2c..94303e4 100644
--- a/main.js
+++ b/main.js
@@ -5,10 +5,12 @@ const path = require("path");
 const homedir = require('os').homedir();
 const loadIniFile = require('read-ini-file')
 const configFilePath = path.join(homedir, 'config.ini')
+const {exec} = require("child_process");
+
 const createWindow = () => {
     const win = new BrowserWindow({
         width: 800,
-        height: 400,
+        height: 500,
         webPreferences: {
             preload: path.join(__dirname, 'preload.js')
         }
@@ -49,6 +51,17 @@ function startBook(startNumber, endNumber, selectedStore) {
 }
 
 async function scanDevices() {
+    exec("adb devices ", (error, stdout, stderr) => {
+        if (error) {
+            console.log(`error: ${error.message}`);
+            return;
+        }
+        if (stderr) {
+            console.log(`stderr: ${stderr}`);
+            return;
+        }
+        console.log(`stdout: ${stdout}`);
+    });
     let deviceList = await android.devices()
     return deviceList.map((item) => {
         return [item.model(), item.serial()]