修复uexXmlHttpMgr文档中一个拼写错误
修复uexXmlHttpMgr文档中一个拼写错误

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