修改uexChatKeyboard Ios版本文档
修改uexChatKeyboard Ios版本文档

xurigan/appcan-docs-v2,pingping-jiang6141/appcan-docs-v2,shangxianjing/appcan-docs-v2,shangxianjing/appcan-docs-v2,AppCanOpenSource/appcan-docs-v2,AppCanOpenSource/appcan-docs-v2,pingping-jiang6141/appcan-docs-v2,AppCanOpenSource/appcan-docs-v2,sandy1108/appcan-docs-v2,pingping-jiang6141/appcan-docs-v2,AppCanOpenSource/appcan-docs-v2,sandy1108/appcan-docs-v2,xurigan/appcan-docs-v2,shangxianjing/appcan-docs-v2,sandy1108/appcan-docs-v2,sandy1108/appcan-docs-v2,pingping-jiang6141/appcan-docs-v2,shangxianjing/appcan-docs-v2