diff --git a/app/Config/Constants.php b/app/Config/Constants.php
index 064c53c..a65d999 100644
--- a/app/Config/Constants.php
+++ b/app/Config/Constants.php
@@ -397,3 +397,10 @@ define('SERVICE_ITEM_TYPES', $_ENV['SERVICEINFO_ITEM_TYPES']
 define('SERVICE_NEW_INTERVAL', $_ENV['SERVICE_NEW_INTERVAL'] ?? $_SERVER['SERVICE_NEW_INTERVAL'] ?? 7);
 //미지급 Item_type
 define('SERVICE_UNPAID_ITEM_TYPE', $_ENV['SERVICE_UNPAID_ITEM_TYPE'] ?? $_SERVER['SERVICE_UNPAID_ITEM_TYPE'] ?? "SERVER");
+define(
+    'SITE_PREFIX',
+    [
+        'Client' => $_ENV['PREFIX_Client'] ?? $_SERVER['PREFIX_Client'] ?? 'C',
+        'Service' => $_ENV['PREFIX_Service'] ?? $_SERVER['PREFIX_Service'] ?? 'S'
+    ],
+);
diff --git a/app/Models/Customer/ClientModel.php b/app/Models/Customer/ClientModel.php
index ea81ed5..f947fbd 100644
--- a/app/Models/Customer/ClientModel.php
+++ b/app/Models/Customer/ClientModel.php
@@ -58,4 +58,12 @@ class ClientModel extends CustomerModel
         }
         return $rule;
     }
+
+    protected function create_process(array $formDatas): ClientEntity
+    {
+        $entity = parent::create_process($formDatas);
+        // 생성 후, 추가 작업이 필요할 경우 여기에 작성
+        $formDatas = ['code' => SITE_PREFIX['Client'] . $entity->getPK()];
+        return $this->modify($entity, $formDatas);
+    }
 }
diff --git a/app/Models/Customer/ServiceModel.php b/app/Models/Customer/ServiceModel.php
index d224879..672eb5b 100644
--- a/app/Models/Customer/ServiceModel.php
+++ b/app/Models/Customer/ServiceModel.php
@@ -69,7 +69,8 @@ class ServiceModel extends CustomerModel
     protected function create_process(array $formDatas): ServiceEntity
     {
         $entity = parent::create_process($formDatas);
-        //고객코드 Code 자동 생성 후(timestamp값) 수정
-        return $this->modify($entity, ['code' => 'S' . time()]);
+        // 생성 후, 추가 작업이 필요할 경우 여기에 작성
+        $formDatas = ['code' => SITE_PREFIX['Service'] . time()];
+        return $this->modify($entity, $formDatas);
     }
 }
diff --git a/app/Services/CommonService.php b/app/Services/CommonService.php
index 477c74f..581343f 100644
--- a/app/Services/CommonService.php
+++ b/app/Services/CommonService.php
@@ -75,7 +75,7 @@ abstract class CommonService
             throw new \Exception($message);
         }
     }
-    protected function findAllDatas(array $columns = ['*']): mixed
+    protected function findAllDatas_process(array $columns = ['*']): mixed
     {
         return $this->getModel()->select(implode(',', $columns))->findAll();
     }
@@ -86,7 +86,7 @@ abstract class CommonService
                 $this->getModel()->where($where);
             }
             $entities = [];
-            foreach ($this->findAllDatas($columns) as $entity) {
+            foreach ($this->findAllDatas_process($columns) as $entity) {
                 $entities[$entity->getPK()] = $entity;
             }
             return $entities;
diff --git a/app/Services/Customer/ClientService.php b/app/Services/Customer/ClientService.php
index 031d003..cf5d5fb 100644
--- a/app/Services/Customer/ClientService.php
+++ b/app/Services/Customer/ClientService.php
@@ -132,4 +132,10 @@ class ClientService extends CustomerService
         $this->getModel()->orLike($this->getModel()->getTable() . '.email', $word, 'both');
         parent::setList_WordFilter($word);
     }
+    //OrderBy 처리
+    public function setOrderBy(mixed $field = null, mixed $value = null): void
+    {
+        $this->getModel()->orderBy("name", 'ASC');
+        parent::setOrderBy($field, $value);
+    }
 }
diff --git a/app/Services/Customer/ServiceService.php b/app/Services/Customer/ServiceService.php
index d2b72d2..5368ada 100644
--- a/app/Services/Customer/ServiceService.php
+++ b/app/Services/Customer/ServiceService.php
@@ -95,7 +95,7 @@ class ServiceService extends CustomerService
     {
         return $this->_searchIP;
     }
-    protected function findAllDatas(array $columns = ['*']): mixed
+    protected function findAllDatas_process(array $columns = ['*']): mixed
     {
         $ip = $this->getSearchIp();
         if ($ip) {
@@ -105,7 +105,7 @@ class ServiceService extends CustomerService
             AND serviceinfo_items.item_uid IN (SELECT uid FROM ipinfo WHERE ip = ?)";
             return $this->getModel()->query($sql, ['IP', $ip])->getResult(ServiceEntity::class);
         }
-        return parent::findAllDatas($columns);
+        return parent::findAllDatas_process($columns);
     }
     //기본 기능부분
     //FieldForm관련용