zsh with mac yosemite

[algking <alg_king@xxxxxxxxxxx>]

After I update to the Mac Yosemite , I found my zsh 5.0.6 in iterm2 2.0 always cost almost 100% cpu . And Sometimes, I have nothing to do in the zsh shell. But the cpu is always high.

and you can see, it use almost 50% of my battery which is impossible usually. 

➜  php-workspace  ps aux | grep zsh

algking         17732  89.5  0.1  2462096   2220 s000  S    10:53下午  11:22.84 zsh

algking          5170   7.1  0.1  2470916   2988 s002  SN+  六12下午   0:25.14 zsh -i

algking          5166   0.3  0.0  2461012    616   ??  SN   六12下午   0:01.34 zsh /Users/algking/.zsh-autosuggestions/completion-server.zsh /tmp/zsh-autosuggest-algking /tmp/zsh-autosuggest-algking/pid /tmp/zsh-autosuggest-algking/socket

algking          5169   0.0  0.0  2461012      4 s002  SNs  六12下午   0:00.00 zsh /Users/algking/.zsh-autosuggestions/completion-server.zsh /tmp/zsh-autosuggest-algking /tmp/zsh-autosuggest-algking/pid /tmp/zsh-autosuggest-algking/socket

algking         18260   0.0  0.0  2452228    704 s000  S+   11:06下午   0:00.00 grep zsh

this is my plugin used :

plugins=(osx autojump brew macports colored-man composer npm) 

source $ZSH/oh-my-zsh.sh