Update index.yml

lives/index.yml

 banner: 
-  mobile_url: 'https://codechina.csdn.net/codechina/operation-work/uploads/700cd15fa181e0582638135e4c1954b3/banner.jpg'
-  pc_url: 'https://codechina.csdn.net/codechina/operation-work/uploads/700cd15fa181e0582638135e4c1954b3/banner.jpg'
-  link: 'https://www.baidu.com/'
+  mobile_url: 'https://codechina.csdn.net/codechina/operation-work/uploads/c28f02cac8424b2c836c2ca6c4d2feb5/banner-wap.png'
+  pc_url: 'https://codechina.csdn.net/codechina/operation-work/uploads/8fc18798925b11990e4e8100a61fa169/banner-show.png'
+  link: 'https://codechina.csdn.net/lives'
 # 日期时间戳标志
 current: '2020-11-10'
 # 描述 富文本