diff --git a/hwe/sammo/Command/BaseCommand.php b/hwe/sammo/Command/BaseCommand.php
new file mode 100644
index 00000000..3e03432b
--- /dev/null
+++ b/hwe/sammo/Command/BaseCommand.php
@@ -0,0 +1,22 @@
+<?php
+namespace sammo\Command;
+
+use \sammo\{
+    Util, JosaUtil,
+    General,
+};
+
+use \sammo\Constraint\{
+    Constraint, NoNeutral, NoOpeningPart, NoWanderingNation, OccupiedCity,
+     RemainCityCapacity, ReqGeneralGold, SuppliedCity
+};
+abstract class BaseCommand{
+    protected $id = 0;
+    protected $name = 'CommandName';
+
+    abstract public function __construct(General $general, ...$args);
+
+    public function getName():string {
+        return static::$name;
+    }
+}
\ No newline at end of file
diff --git a/hwe/sammo/Command/che_농지개간.php b/hwe/sammo/Command/che_농지개간.php
new file mode 100644
index 00000000..9a1e0473
--- /dev/null
+++ b/hwe/sammo/Command/che_농지개간.php
@@ -0,0 +1,9 @@
+<?php
+namespace sammo\Command;
+
+use \sammo\Util;
+use \sammo\JosaUtil;
+
+class che_농지개간 extends che_상업투자{
+
+}
\ No newline at end of file
diff --git a/hwe/sammo/Command/che_상업투자.php b/hwe/sammo/Command/che_상업투자.php
new file mode 100644
index 00000000..8efdafce
--- /dev/null
+++ b/hwe/sammo/Command/che_상업투자.php
@@ -0,0 +1,9 @@
+<?php
+namespace sammo\Command;
+
+use \sammo\Util;
+use \sammo\JosaUtil;
+
+class che_상업투자 extends BaseCommand{
+
+}
\ No newline at end of file