diff --git a/database/migrations/2023_02_02_000001_create_modules_table.php b/database/migrations/2023_02_02_000001_create_modules_table.php
index a4af1b0..964868d 100644
--- a/database/migrations/2023_02_02_000001_create_modules_table.php
+++ b/database/migrations/2023_02_02_000001_create_modules_table.php
@@ -19,9 +19,9 @@ public function up(): void
             $table->decimal('balance', 20, 4)->default(0)->index();
             $table->string('api_token')->nullable()->unique();
             $table->string('url')->nullable()->index();
+            $table->string('wecom_key')->nullable()->comment('企业微信机器人 key');
             $table->enum('status', ['up', 'down', 'maintenance'])->default('down')->index();
             $table->timestamps();
-            $table->string('wecom_key')->nullable()->comment('企业微信机器人 key');
         });
     }
 
diff --git a/database/migrations/2023_02_02_000000_create_notifications_table.php b/database/migrations/2023_02_02_201951_create_notifications_table.php
similarity index 73%
rename from database/migrations/2023_02_02_000000_create_notifications_table.php
rename to database/migrations/2023_02_02_201951_create_notifications_table.php
index 14ad82f..4357c9e 100644
--- a/database/migrations/2023_02_02_000000_create_notifications_table.php
+++ b/database/migrations/2023_02_02_201951_create_notifications_table.php
@@ -11,13 +11,12 @@
      *
      * @return void
      */
-    public function up(): void
+    public function up()
     {
         Schema::create('notifications', function (Blueprint $table) {
-            $table->uuid()->primary();
+            $table->uuid('id')->primary();
             $table->string('type');
-            $table->string('notifiable_type')->index();
-            $table->unsignedBigInteger('notifiable_id')->index();
+            $table->morphs('notifiable');
             $table->text('data');
             $table->timestamp('read_at')->nullable();
             $table->timestamps();
@@ -29,7 +28,7 @@ public function up(): void
      *
      * @return void
      */
-    public function down(): void
+    public function down()
     {
         Schema::dropIfExists('notifications');
     }