diff --git a/packages/admin.gbapp/services/GBAdminService.ts b/packages/admin.gbapp/services/GBAdminService.ts
index ae96032f..3b1602b1 100644
--- a/packages/admin.gbapp/services/GBAdminService.ts
+++ b/packages/admin.gbapp/services/GBAdminService.ts
@@ -96,7 +96,7 @@ export class GBAdminService implements IGBAdminService {
 
   public static getMobileCode() {
 
-    return Math.trunc(Math.random() * 6);
+    return this.getNumberIdentifier(6);
   }
 
   public static getRndPassword(): string {