更新

app/controller/admin/Index.php

@@ -72,9 +72,9 @@ class Index extends Admin {
 			$clear = input('post.clear/a', array());
 			foreach ($clear as $key => $value) {
 				if ($value == 'cache') {
-					\think\Cache::clear(); // 清空缓存数据
+					\think\facade\Cache::clear(); // 清空缓存数据
 				} elseif ($value == 'log') {
-					\think\Log::clear();
+					\think\facade\Log::clear();
 				}
 			}
 			return $this->success("更新成功！", url('/admin/index/index'));