改进 Task

database/migrations/2023_02_08_024521_set_host_id_nullable_to_tasks_table.php

@@ -0,0 +1,32 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up(): void
+    {
+        Schema::table('tasks', function (Blueprint $table) {
+            $table->unsignedBigInteger('host_id')->nullable()->change();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down(): void
+    {
+        Schema::table('tasks', function (Blueprint $table) {
+            $table->unsignedBigInteger('host_id')->nullable(false)->change();
+        });
+    }
+};