改进Handle类支持异常的多语言 Lang类增加has方法 增加核心中文语言包

library/think/cache/driver/Apc.php

@@ -36,7 +36,7 @@ class Apc
     public function __construct($options = [])
     {
         if (!function_exists('apc_cache_info')) {
-            throw new \BadFunctionCallException('not support Apc');
+            throw new \BadFunctionCallException('not support: Apc');
         }
         if (!empty($options)) {
             $this->options = array_merge($this->options, $options);