format error when unicode characters were used in menu itmes

[robinsun-wondertac]

╔════════════════════════════════════╗
║ ║
║ Talk to your 文档 ║
║ ║
║ ║
║ ║
║ 1 - 浏览文集目录 ║
║ 2 - 提问 ║
║ 3 - Run a console command ║
║ 4 - Submenu item ║
║ 5 - Exit ║
║ ║
║ ║
╚════════════════════════════════════╝