diff --git a/src/controllers/customer-controller.ts b/src/controllers/customer-controller.ts
index a091cfe..0efb941 100644
--- a/src/controllers/customer-controller.ts
+++ b/src/controllers/customer-controller.ts
@@ -318,9 +318,9 @@ export class CustomerController extends Controller {
           },
           create: {
             key: `CUSTOMER_${body.code.toLocaleUpperCase()}`,
-            value: 1,
+            value: body.customerBranch?.length || 0,
           },
-          update: { value: { increment: (body.customerBranch?.length || 0) + 1 } },
+          update: { value: { increment: body.customerBranch?.length || 0 } },
         });
 
         body.code = body.code.toLocaleUpperCase();
@@ -358,7 +358,7 @@ export class CustomerController extends Controller {
                 data:
                   customerBranch?.map((v, i) => ({
                     ...v,
-                    code: `${body.code}${`${last.value - customerBranch?.length + i + 2}`.padStart(6, "0")}`,
+                    code: `${body.code}${`${last.value - customerBranch?.length + i + 1}`.padStart(6, "0")}`,
                     createdByUserId: req.user.sub,
                     updatedByUserId: req.user.sub,
                   })) || [],