我只是尝试安装oh-my-zsh。尝试运行时出现以下错误rvm：
zsh: command not found: rvm当我尝试打开新标签页时，也会出现以下错误：
/Users/jack/.zshrc:source:34: no such file or directory: /Users/jack/.oh-my-zsh/oh-my-zsh.sh
/Users/jack/.zshrc:source:38: no such file or directory: .bashrc这是我的.zshrc档案：
# Path to your oh-my-zsh configuration.
ZSH=$HOME/.oh-my-zsh
# Set name of the theme to load.
# Look in ~/.oh-my-zsh/themes/
# Optionally, if you set this to "random", it'll load a random theme each
# time that oh-my-zsh is loaded.
ZSH_THEME="robbyrussell"
# Example aliases
# alias zshconfig="mate ~/.zshrc"
# alias ohmyzsh="mate ~/.oh-my-zsh"
# Set to this to use case-sensitive completion
# CASE_SENSITIVE="true"
# Comment this out to disable weekly auto-update checks
# DISABLE_AUTO_UPDATE="true"
# Uncomment following line if you want to disable colors in ls
# DISABLE_LS_COLORS="true"
# Uncomment following line if you want to disable autosetting terminal title.
# DISABLE_AUTO_TITLE="true"
# Uncomment following line if you want red dots to be displayed while waiting for completion
# COMPLETION_WAITING_DOTS="true"
# Which plugins would you like to load? (plugins can be found in ~/.oh-my-zsh/plugins/*)
# Custom plugins may be added to ~/.oh-my-zsh/custom/plugins/
# Example format: plugins=(rails git textmate ruby lighthouse)
plugins=(git bundler brew gem rvm cscairns)
source $ZSH/oh-my-zsh.sh
# Customize to your needs...
source .bashrc
export PATH=/usr/local/bin:$PATH我需要怎么做才能解决这些错误？