diff --git a/database/migrations/2023_03_07_194636_add_trial_ends_at_to_hosts_table.php b/database/migrations/2023_03_07_194636_add_trial_ends_at_to_hosts_table.php
new file mode 100644
index 0000000..d586733
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+++ b/database/migrations/2023_03_07_194636_add_trial_ends_at_to_hosts_table.php
@@ -0,0 +1,55 @@
+<?php
+
+use App\Models\Host;
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::table('hosts', function (Blueprint $table) {
+            // 计费周期（小时，还是月）
+            $table->enum('billing_cycle', ['hourly', 'monthly', 'once'])->default('hourly')->index()->after('status');
+            $table->tinyInteger('day_at')->nullable()->index()->after('billing_cycle');
+            $table->timestamp('trial_ends_at')->nullable()->after('day_at');
+
+            // 不自动续费
+            $table->boolean('cancel_at_period_end')->default(false)->after('trial_ends_at');
+
+            // 上次扣费金额
+            $table->decimal('last_paid', 10)->nullable()->after('cancel_at_period_end');
+            $table->timestamp('last_paid_at')->nullable()->after('last_paid');
+
+            // 到期时间（下次扣费时间）
+            $table->timestamp('expired_at')->nullable()->after('last_paid_at');
+        });
+
+        // 为已有的主机设置默认值
+        Host::all()->each(function (Host $host) {
+            $host->day_at = $host->created_at->day;
+
+            $host->save();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('hosts', function (Blueprint $table) {
+            $table->dropColumn('trial_ends_at');
+            $table->dropColumn('day_at');
+            $table->dropColumn('billing_cycle');
+            $table->dropColumn('cancel_at_period_end');
+            $table->dropColumn('last_paid');
+            $table->dropColumn('last_paid_at');
+            $table->dropColumn('expired_at');
+        });
+    }
+};