diff --git a/app/Forms/CommonForm.php b/app/Forms/CommonForm.php
index b713e43..16bd558 100644
--- a/app/Forms/CommonForm.php
+++ b/app/Forms/CommonForm.php
@@ -380,7 +380,6 @@ abstract class CommonForm
       }
 
       $this->_validation->setRules($dynamicRules);
-
       if (!$this->_validation->run($formDatas)) {
         $errors = $this->_validation->getErrors();
         throw new RuntimeException(implode("\n", $errors));
diff --git a/app/Forms/Equipment/ServerForm.php b/app/Forms/Equipment/ServerForm.php
index 6044379..b669b58 100644
--- a/app/Forms/Equipment/ServerForm.php
+++ b/app/Forms/Equipment/ServerForm.php
@@ -71,6 +71,10 @@ class ServerForm extends EquipmentForm
   public function getFormRule(string $field, array $formRules): array
   {
     switch ($field) {
+      case 'clientinfo_uid':
+      case 'serviceinfo_uid':
+        $formRules[$field] = "required|numeric";
+        break;
       case "switchinfo_uid":
         $formRules[$field] = sprintf("permit_empty|numeric%s", in_array($this->formAction, ["create", "create_form"]) ? "|is_unique[{$this->getAttribute('table')}.{$field}]" : "");
         break;