diff --git a/database/migrations/2014_10_12_000000_create_tbl3_mst_users.php b/database/migrations/2014_10_12_000000_create_tbl3_mst_users.php
index 31a38ff..2ef7b9e 100644
--- a/database/migrations/2014_10_12_000000_create_tbl3_mst_users.php
+++ b/database/migrations/2014_10_12_000000_create_tbl3_mst_users.php
@@ -14,20 +14,20 @@ return new class extends Migration
     public function up(): void
     {
         $schema = function (Blueprint $table, MigrationHelper $helper) {
-            $helper = new MigrationHelper($table);
             $helper->baseColumn()
                 ->shopId(true);
 
             $table->string('name')->nullable()->comment("名前");
             $table->string('role')->comment("権限");
-            $table->unsignedInteger('customer_id')->comment("顧客ID");
-            $table->string('customer_code')->comment("顧客コード");
+            $table->unsignedInteger('customer_id')->nullable()->comment("顧客ID");
+            $table->string('customer_code')->nullable()->comment("顧客コード");
             $table->string('email')->comment("Email");
             $table->text('password')->nullable()->comment("ログインパスワード");
         };
 
         MigrationHelper::createTable("tbl3_mst_users", $schema, "HTD ログインユーザー");
-        MigrationHelper::createTable("tbl3_mst_shop_histories", $schema, "HTD ログインユーザー履歴");
+        MigrationHelper::createTable("tbl3_mst_user_histories", $schema, "HTD ログインユーザー履歴");
+
 
         MigrationHelper::addUnique("tbl3_mst_users", 1, ["email"]);
     }
@@ -38,6 +38,6 @@ return new class extends Migration
     public function down(): void
     {
         Schema::dropIfExists('tbl3_mst_users');
-        Schema::dropIfExists('tbl3_mst_shop_histories');
+        Schema::dropIfExists('tbl3_mst_user_histories');
     }
 };