mac配置环境变量出错导致终端无法键入任何字符

[xianbei995]

mac配置环境时键入以下内容：export PIP_INSTALL_PATH=jupyter_location时出错，导致终端无法输入任何字符，一打开就会出现：Last login: Wed Aug 7 20:17:11 on ttys000
/Users/zhaoyuejiao/.anaconda/navigator/a.tool ; exit;
-bash: touch: command not found
(base) zhaoyuejiaodeMacBook:~ zhaoyuejiao$ /Users/zhaoyuejiao/.anaconda/navigator/a.tool ; exit;
/Users/zhaoyuejiao/.anaconda/navigator/a.tool: line 1: bash: command not found
logout
Saving session...-bash: date: command not found
-bash: touch: command not found

...copying shared history...-bash: cp: command not found

...saving history...-bash: cat: command not found
-bash: cat: command not found
truncating history files...
...completed.
-bash: find: command not found
-bash: shlock: command not found

[进程已完成]