su - oracle 报错 syntax error near unexpected token `then'

[root@oel grid]# su - oracle
-bash: /etc/profile: line 60: syntax error near unexpected token `then'
-bash: /etc/profile: line 60: `if[$USER="oracle"];then'

vi /etc/profile
去到第 60行，看看语法错了哪里，改过profile ，而且改错了