Dead bug

I have a bug 
on my server survival I tried to deploy my elytra, and after this, i lost all hearts in my hp bar, i cant use chest,
the mobs do not see me and i cant get killed by a /kill

help me pls i dont want to lost my game ... and sorry for my bad english

 

ps: i have the same bug as this guys : https://bugs.mojang.com/browse/MC-133373