diff --git a/database/migrations/2021_12_17_145444_add_remain_quantity_to_order_products_table.php b/database/migrations/2021_12_17_145444_add_remain_quantity_to_order_products_table.php
new file mode 100644
index 00000000..76265b45
--- /dev/null
+++ b/database/migrations/2021_12_17_145444_add_remain_quantity_to_order_products_table.php
@@ -0,0 +1,34 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class AddRemainQuantityToOrderProductsTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('order_products', function (Blueprint $table) {
+            //
+            $table->unsignedInteger('remain_quantity')->comment('剩余待发货数量');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('order_products', function (Blueprint $table) {
+            //
+            $table->dropColumn('remain_quantity');
+        });
+    }
+}