diff --git a/extdbms/lib/Services/AddDbService.php b/extdbms/lib/Services/AddDbService.php
index bcfc799..b16e00a 100644
--- a/extdbms/lib/Services/AddDbService.php
+++ b/extdbms/lib/Services/AddDbService.php
@@ -27,7 +27,7 @@ class AddDbService extends CommonService
   {
     return Entity::class;
   }
-  public function getEntityByCode(string $key): Entity|null
+  public function getEntityByCode(string $key): Entity|null|false
   {
     $this->getModel()->where('addDB_code', $key);
     return $this->getEntity();
diff --git a/extdbms/lib/Services/ClientService.php b/extdbms/lib/Services/ClientService.php
index 0b850e5..e4df948 100644
--- a/extdbms/lib/Services/ClientService.php
+++ b/extdbms/lib/Services/ClientService.php
@@ -27,7 +27,7 @@ class ClientService extends CommonService
   {
     return Entity::class;
   }
-  public function getEntityByCode(string $key): Entity|null
+  public function getEntityByCode(string $key): Entity|null|false
   {
     $this->getModel()->where('Client_Code', $key);
     return $this->getEntity();
diff --git a/extdbms/lib/Services/ServiceService.php b/extdbms/lib/Services/ServiceService.php
index af752f4..baf7f1c 100644
--- a/extdbms/lib/Services/ServiceService.php
+++ b/extdbms/lib/Services/ServiceService.php
@@ -27,7 +27,7 @@ class ServiceService extends CommonService
   {
     return Entity::class;
   }
-  public function getEntityByCode(string $key): Entity|null
+  public function getEntityByCode(string $key): Entity|null|false
   {
     $this->getModel()->where('service_code', $key);
     return $this->getEntity();