diff --git a/src/controllers/04-product-group-controller.ts b/src/controllers/04-product-group-controller.ts
index 0c11d5c..eb91350 100644
--- a/src/controllers/04-product-group-controller.ts
+++ b/src/controllers/04-product-group-controller.ts
@@ -87,7 +87,11 @@ export class ProductGroup extends Controller {
     @Query() pageSize: number = 30,
   ) {
     const where = {
-      OR: [{ name: { contains: query } }, { detail: { contains: query } }],
+      OR: [
+        { name: { contains: query } },
+        { detail: { contains: query } },
+        { code: { contains: query, mode: "insensitive" } },
+      ],
       AND: [
         {
           ...filterStatus(status),