Update 后端部署文档.md

update documents

determine if the file exists in hdfs when read file

determine if the file exists in hdfs when read file

Update the latest version number

add verifyResourceName test

add verify resource file is exists in hdfs

The SQL task fails if the mail delivery fails

update the process of getting result of yarn.

1.Added checks on whether HDFS is configured to be true in delete tenant
2.Added the ability to sort by timing status

Solved the bugs that when editted file in resource center online, don't update the time and size of the file

Solved the bugs that when editted file in resource center online, don't update the time and size of the file

kill pid need kill sub process pids update

kill task need kill sub pids

 email address trim and shell error does not determine yarn status