diff --git a/database/migrations/2023_12_07_160641_add_index_some_20231217.php b/database/migrations/2023_12_07_160641_add_index_some_20231217.php
new file mode 100644
index 000000000..23d0cac84
--- /dev/null
+++ b/database/migrations/2023_12_07_160641_add_index_some_20231217.php
@@ -0,0 +1,40 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class AddIndexSome20231217 extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('project_task_users', function (Blueprint $table) {
+            $table->index('task_id');
+            $table->index('task_pid');
+        });
+        Schema::table('project_tasks', function (Blueprint $table) {
+            $table->index('visibility');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return voidw
+     */
+    public function down()
+    {
+        Schema::table('project_task_users', function (Blueprint $table) {
+            $table->dropIndex(['task_id']);
+            $table->dropIndex(['task_pid']);
+        });
+        Schema::table('project_tasks', function (Blueprint $table) {
+            $table->dropIndex(['visibility']);
+        });
+    }
+}