message: turn on sandbox
diff: @@ -36,7 +36,7 @@ function createMainWindow () {
  title: 'Symphony',
  width: 1024, height: 768,
  webPreferences: {
  - sandbox: false,
  + sandbox: true,
  nodeIntegration: false,
  preload: path.join(__dirname, '/main-preload.js'),
  winKey: key
  @@ -130,7 +130,7 @@ electron.ipcMain.on('symphony-msg', (event, arg) => {
  width: width,
  height: height,
  webPreferences: {
  - sandbox: false,
  + sandbox: true,
  nodeIntegration: false,
  preload: path.join(__dirname, '/child-preload.js'),
  winKey: winKey
  