diff --git a/application/admin/command/Crud.php b/application/admin/command/Crud.php
index e03f72447412cf03726454c65059ed8157d20e25..d9db436860ebc5818b51297a57be84310e3d3f02 100755
--- a/application/admin/command/Crud.php
+++ b/application/admin/command/Crud.php
@@ -1251,7 +1251,7 @@ EOD;
         $output->info("Build Successed");
     }
 
-    protected function getEnum(&$getEnum, &$controllerAssignList, $field, $itemArr = '', $inputType = '')
+    protected function getEnum(&$getEnum, &$controllerAssignList, $field, $itemArr = [], $inputType = '')
     {
         if (!in_array($inputType, ['datetime', 'select', 'multiple', 'checkbox', 'radio'])) {
             return;