Well, that was easy enough, I just had to add it to the template and it works fine.
@yariplus cool, thank you very much ! 
@yariplus but it seems that the appearance is not so good in mobile mode~
Yeah, you're right, i'll add it to the formatting bar.
@yariplus many thanks~
by the way, would you know how to add the class="img-responsive" to the upload img? because the uploaded img show too large in mobile mode, i want to add class="img-responsive" to the img and make it seemed better in mobile composer~ 
That whole section really needs to be restyled.
I was thinking something like this for mobile.
Maybe with a radius depending on the theme/admin settings.
Like this for desktop/tablet.
@yariplus hi, i just install the composer-redactor to my site, but the upload thumbnail block is looking so bad in mobile mode~ please take a look at it ~
@Jam what is the answer to the registration question?
nvm figured it out
@yariplus The answer is the chinese name of China： 中国
Is this what it looks like for you?
@yariplus it seems that look good in chrome, but in safari or mobile mode, it seems a little bad!~
@Jam Ahh, okay. Yeah, it also looks bad on firefox. I'll see if I can fix it up, make it look more like my examples above.
@yariplus said in Need help for adding thumbnail info to the nodebb-plugin-composer-redactor:
nvm figured it out
wow, you meant that you can figured the answer out to the registration question?
@Jam haha yeah, google translate figured it out. It just took me a minute to realize I had to type it in Chinese characters.
