update some

inhere · inhere · commit ac6693ac293f · 2020-06-12T14:16:55.000+08:00
diff --git a/src/Sys.php b/src/Sys.php
@@ -27,7 +27,7 @@
  *
  * @package Toolkit\Sys\Proc
  */
-class Sys
+class Sys extends SysEnv
 {
     /**
      * @param string      $command
