Update index.yml

lives/index.yml

 banner: 
-  mobile_url: 'https://codechina.csdn.net/codechina/operation-work/uploads/c28f02cac8424b2c836c2ca6c4d2feb5/banner-wap.png'
-  pc_url: 'https://codechina.csdn.net/codechina/operation-work/uploads/01e2ccdd92db2fc0815cb4f601a568b1/banner.png'
+  mobile_url: 'https://codechina.csdn.net/codechina/operation-work/uploads/47ec16f9efc47299dec628a8f9efe090/banner-wap.png'
+  pc_url: 'https://codechina.csdn.net/codechina/operation-work/uploads/4657d23455fca94d4f225dff8c7c902c/banner.png'
   link:  'https://codechina.csdn.net/lives'
 # 日期时间戳标志
 current: '2020-11-16'