(
错误位置

FILE: /Users/xiaowen/Web/winddu/ThinkPHP/Library/Think/Db/Driver/Mysql.class.php 　LINE: 56
TRACE

#0 /Users/xiaowen/Web/winddu/ThinkPHP/Library/Think/Db/Driver/Mysql.class.php(56): E('')
#1 /Users/xiaowen/Web/winddu/ThinkPHP/Library/Think/Db.class.php(164): Think\Db\Driver\Mysql->connect()
#2 /Users/xiaowen/Web/winddu/ThinkPHP/Library/Think/Db/Driver/Mysql.class.php(93): Think\Db->initConnect(false)
#3 /Users/xiaowen/Web/winddu/ThinkPHP/Library/Think/Db/Driver/Mysql.class.php(212): Think\Db\Driver\Mysql->query('SHOW COLUMNS FR...')
#4 /Users/xiaowen/Web/winddu/ThinkPHP/Library/Think/Model.class.php(130): Think\Db\Driver\Mysql->getFields('fz_ucenter_memb...')
#5 /Users/xiaowen/Web/winddu/ThinkPHP/Library/Think/Model.class.php(118): Think\Model->flush()
#6 /Users/xiaowen/Web/winddu/ThinkPHP/Library/Think/Model.class.php(1281): Think\Model->_checkTableInfo()
#7 /Users/xiaowen/Web/winddu/ThinkPHP/Library/Think/Model.class.php(95): Think\Model->db(0, 'mysql://root:fe...', true)
#8 /Users/xiaowen/Web/winddu/Application/User/Api/UserApi.class.php(19): Think\Model->__construct()
#9 /Users/xiaowen/Web/winddu/Application/User/Api/Api.class.php(52): User\Api\UserApi->_init()
#10 /Users/xiaowen/Web/winddu/Application/Home/Controller/UserController.class.php(72): User\Api\Api->__construct()
#11 [internal function]: Home\Controller\UserController->login('admin', 'admin88', '')
#12 /Users/xiaowen/Web/winddu/ThinkPHP/Library/Think/App.class.php(119): ReflectionMethod->invokeArgs(object(Home\Controller\UserController), Array)
#13 /Users/xiaowen/Web/winddu/ThinkPHP/Library/Think/App.class.php(159): Think\App::exec()
#14 /Users/xiaowen/Web/winddu/ThinkPHP/Library/Think/Think.class.php(117): Think\App::run()
#15 /Users/xiaowen/Web/winddu/ThinkPHP/ThinkPHP.php(131): Think\Think::start()
#16 /Users/xiaowen/Web/winddu/index.php(70): require('/Users/xiaowen/...')
#17 {main}

求助大神解决