diff --git a/src/app.controller.ts b/src/app.controller.ts
index 2c11b13..5ba6230 100644
--- a/src/app.controller.ts
+++ b/src/app.controller.ts
@@ -260,6 +260,11 @@ export class QueryVisitorByNumberDto {
   @IsString()
   @IsNotEmpty()
   identity_card_no: string
+
+  @ApiPropertyOptional({ description: "", required: false })
+  @IsString()
+  @IsOptional()
+  area_code?: string
 }
 
 @Controller()
@@ -301,11 +306,15 @@ export class AppController {
   // }
   @Get("/visitor")
   @ApiBearerAuth()
-  async getVisiotr(@Query() { identity_card_no }: QueryVisitorByNumberDto, @Req() req: any) {
+  async getVisiotr(@Query() { identity_card_no, area_code }: QueryVisitorByNumberDto, @Req() req: any) {
     let date = new Date().toDateString();
     let node_other_visitor;
+    const where: any =  { identity_card_no, end_time: IsNull() };
+    if (area_code) {
+      where.to_area_code = area_code;
+    }
     const node_other_visitors: any = await this.nodeOtherVisitorRepository.find({
-      where: { identity_card_no, end_time: IsNull() },
+      where,
       order: {
         created_date: "DESC"
       }