diff --git a/database/migrations/2024_05_24_095735_modify_notices_table.php b/database/migrations/2024_05_24_095735_modify_notices_table.php
new file mode 100644
index 0000000..4dd6d8c
--- /dev/null
+++ b/database/migrations/2024_05_24_095735_modify_notices_table.php
@@ -0,0 +1,29 @@
+<?php
+
+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('notices', function (Blueprint $table) {
+            $table->integer('notice_id')->unique()->comment('通知id')
+            ->after('id');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('notices', function (Blueprint $table) {
+            $table->dropColumn('notice_id');
+        });
+    }
+};