v1.5.1 Merge branch 'dev'

v1.5.0 upgrade dingtalk oauth, optimize offline detection and update UI

update UI fix language switch under settings and WAF/CC logs for all …

…applications

update UI fix clickable area for menu

fix duplicate destinations, merge branch 'dev'

v1.4.2 fix new application bug due to null custom headers, merge bran…

…ch 'dev'

v1.4.2 add custom headers, merge branch 'dev'

v1.4.1 custom 5-shield html, merge branch 'dev'

fix oauth2 users privileges, merge branch 'dev'

add string escape to captcha confirm id and replace favicon, merge br…

…anch 'dev'