Python 3.6.1 MySQL pymysql连接总是报错！！愤怒了！！?报错

# coding=utf8

import pymysql

conn = pymysql.Connect(host='127.0.0.1', port=3306, user='test', passwd='8888aaaa', db='test', charset='UTF8')
cur = conn.cursor()
cur.execute("select version()")
for i in cur:
    print(i)
cur.close()

运行报错如下：

Traceback (most recent call last):
  File "/Users/mac/PycharmProjects/PythonTest/mysql/MySQLtest.py", line 5, in <module>
    conn = pymysql.Connect(host='127.0.0.1', port=3306, user='test', passwd='8888aaaa', db='test', charset='UTF8')
  File "/Users/mac/Library/Python/3.6/lib/python/site-packages/pymysql/__init__.py", line 90, in Connect
    return Connection(*args, **kwargs)
  File "/Users/mac/Library/Python/3.6/lib/python/site-packages/pymysql/connections.py", line 706, in __init__
    self.connect()
  File "/Users/mac/Library/Python/3.6/lib/python/site-packages/pymysql/connections.py", line 932, in connect
    self._request_authentication()
  File "/Users/mac/Library/Python/3.6/lib/python/site-packages/pymysql/connections.py", line 1152, in _request_authentication
    auth_packet = self._read_packet()
  File "/Users/mac/Library/Python/3.6/lib/python/site-packages/pymysql/connections.py", line 1014, in _read_packet
    packet.check_error()
  File "/Users/mac/Library/Python/3.6/lib/python/site-packages/pymysql/connections.py", line 393, in check_error
    err.raise_mysql_exception(self._data)
  File "/Users/mac/Library/Python/3.6/lib/python/site-packages/pymysql/err.py", line 107, in raise_mysql_exception
    raise errorclass(errno, errval)
pymysql.err.OperationalError: (1045, "Access denied for user 'test'@'localhost' (using password: YES)")

系统配置：

Python 3.6.1 数据库连接用的 pymysql

PyCharm Community Edition 2017.1.4
Build #PC-171.4694.38, built on June 13, 2017
JRE: 1.8.0_112-release-736-b21 x86_64
JVM: OpenJDK 64-Bit Server VM by JetBrains s.r.o
Mac OS X 10.11.6

MySQL 5.6.30

不知道为什么，怎么着都是上边这种情况！！