mooleetzi

## What type of PR is this? - [ ] API-change - [ ] BUG - [ ] Improvement - [ ] Documentation - [x] Feature - [ ] Test...

``` source start.sh -i $dockerid WeChat echo $? ``` 出现的结果是 ``` [7]+ 已停止 sudo docker exec -ti $1 /usr/bin/nohup /bin/bash $2 &> /dev/null ``` *from ubuntu18.04 xps 9360*

## What type of PR is this? - [ ] API-change - [ ] BUG - [ ] Improvement - [ ] Documentation - [X] Feature - [ ] Test...

fix bug:count on json cols and modify errmsg on json insert

1

## What type of PR is this? - [ ] API-change - [X] BUG - [ ] Improvement - [ ] Documentation - [ ] Feature - [ ] Test...