diff --git a/.backup/crontab-20210201-070100.gz b/.backup/crontab-20210201-070100.gz
new file mode 100644
index 0000000..e191c59
Binary files /dev/null and b/.backup/crontab-20210201-070100.gz differ
diff --git a/.zsh_history b/.zsh_history
index 72e69d0..e77a8cc 100644
--- a/.zsh_history
+++ b/.zsh_history
@@ -7409,38 +7409,12 @@ done
 : 1605509925:0;gco src/main/java/com/zhicong/admin/knowledge/center/controller/SeriesCourseWebController.java
 : 1605509951:0;ggst
 : 1605509962:0;gb -D dev
-: 1605510017:0;gp
 : 1605510470:0;telnet 127.0.0.1 8102
 : 1605510535:0;telnet localhost 8102
 : 1605511145:0;lsof -i :8102
-: 1605511357:0;gst
-: 1605511359:0;gco feature/yet_another_early_learning 
-: 1605511360:0;gl
-: 1605511372:0;gst
-: 1605511373:0;git add .
 : 1605511375:0;git commit -m "add early appid"
-: 1605511378:0;gp
-: 1605511383:0;gco dev
-: 1605511384:0;gl
-: 1605511387:0;git merge feature/yet_another_early_learning 
-: 1605511391:0;gp
-: 1605512599:0;gst
 : 1605512611:0;cd ../../knowledge-cube-web/
-: 1605512612:0;gst
-: 1605512613:0;gl
-: 1605512618:0;gco feature/yet_another_early_learning 
-: 1605512619:0;gl
-: 1605513267:0;gst
-: 1605513278:0;mi
 : 1605513387:0;cd ../knowledge-center
-: 1605513388:0;gst
-: 1605513390:0;gco test
-: 1605513391:0;gl
-: 1605513394:0;mi
-: 1605513449:0;gco feature/yet_another_early_learning 
-: 1605513451:0;gl
-: 1605513454:0;mi
-: 1605513496:0;gst
 : 1605513856:0;git add .
 : 1605513884:0;git commit -m "fix user has been related and fix course limit"
 : 1605513886:0;gl
@@ -10561,3 +10535,27 @@ done
 : 1612013372:0;sudo -b /Applications/Parallels\ Desktop.app/Contents/MacOS/prl_client_app\
 
 : 1612022306:0;eproxy php artisan ins:like
+: 1612086992:0;tail -fn 1000 /var/mail/shixuesen
+: 1612093200:0;ll
+: 1612093207:0;cd /Volumes/WD/tmp
+: 1612093208:0;ll
+: 1612093219:0;mediainfo 31515652F5103B53.flv
+: 1612096752:0;rm -rf ~/Library/Group\ Containers/group.com.docker/pki/
+: 1612096759:0;rm -rf ~/.kube
+: 1612096838:0;hexo new draft "聃�聃� redis 缃�孃�烺��広�烴�郷�郂��"
+: 1612105357:0;hexo publish "聃�聃� redis 缃�孃�烺��広�烴�郷�郂��"
+: 1612105373:0;hexo clean && hexo g && hexo s --debug
+: 1612105399:0;hexo d --debug
+: 1612105493:0;exit
+: 1612106417:0;ins
+: 1612106431:0;eproxy php artisan xiu:get -v
+: 1612106609:0;php artisan nvshen:get -v
+: 1612106617:0;php artisan tujigu:s
+: 1612106623:0;php artisan xiuren:s
+: 1612106705:0;ins
+: 1612106735:0;cd 髃�端私寃�群僦��郣�禃�僨�
+: 1612106737:0;ll
+: 1612106739:0;pwd
+: 1612106806:0;php artisan handle:video
+: 1612140571:0;php artisan xiuren:s
+: 1612141193:0;exit