如题，使用 composer 安装的最新版，安装应用时会 500 错误，具体错误定位如下：
Exception 'Error' with message 'Call to undefined function fecshop\services\helper\zip_open()'
in /Users/watchelephant/www/fecmall/vendor/fancyecommerce/fecshop/services/helper/ZipFile.php:28
Stack trace:
#0 /Users/watchelephant/www/fecmall/vendor/fancyecommerce/fecshop/app/appadmin/modules/System/controllers/ExtensionmarketController.php(148): fecshop\services\helper\ZipFile->unzip('/Users/watchele...', '/Users/watchele...', true, true)
#1 [internal function]: fecshop\app\appadmin\modules\System\controllers\ExtensionmarketController->actionInstall()
#2 /Users/watchelephant/www/fecmall/vendor/yiisoft/yii2/base/InlineAction.php(57): call_user_func_array(Array, Array)
#3 /Users/watchelephant/www/fecmall/vendor/yiisoft/yii2/base/Controller.php(180): yii\base\InlineAction->runWithParams(Array)
#4 /Users/watchelephant/www/fecmall/vendor/yiisoft/yii2/base/Module.php(528): yii\base\Controller->runAction('install', Array)
#5 /Users/watchelephant/www/fecmall/vendor/yiisoft/yii2/web/Application.php(103): yii\base\Module->runAction('system/extensio...', Array)
#6 /Users/watchelephant/www/fecmall/vendor/yiisoft/yii2/base/Application.php(386): yii\web\Application->handleRequest(Object(yii\web\Request))
#7 /Users/watchelephant/www/fecmall/appadmin/web/index.php(50): yii\base\Application->run()
#8 {main}