diff --git a/src/controllers/OrgChild1Controller.ts b/src/controllers/OrgChild1Controller.ts
index 11af9a82..bda21a07 100644
--- a/src/controllers/OrgChild1Controller.ts
+++ b/src/controllers/OrgChild1Controller.ts
@@ -202,7 +202,7 @@ export class OrgChild1Controller {
       },
     });
     if (chkCode != null) {
-      throw new HttpError(HttpStatusCode.NOT_FOUND, "รหัสหน่วยงานนี้มีอยู่ในระบบแล้ว");
+      throw new HttpError(HttpStatusCode.NOT_FOUND, "รหัสส่วนราชการนี้มีอยู่ในระบบแล้ว");
     }
     child1.lastUpdateUserId = request.user.sub;
     child1.lastUpdateFullName = request.user.name;