diff --git a/application/admin/command/Crud.php b/application/admin/command/Crud.php
index 3c54d39f..665d44ae 100755
--- a/application/admin/command/Crud.php
+++ b/application/admin/command/Crud.php
@@ -1312,6 +1312,7 @@ EOD;
                     $iterator = new \FilesystemIterator($parentDir);
                     $isDirEmpty = !$iterator->valid();
                     if ($isDirEmpty) {
+                        unset($iterator);
                         rmdir($parentDir);
                         $parentDir = dirname($parentDir);
                     } else {
@@ -1607,7 +1608,7 @@ EOD;
             $inputType = 'datetime';
         }
         // 指定后缀结尾且类型为enum,说明是个单选框
-        if ($this->isMatchSuffix($fieldsName, $this->enumRadioSuffix) && $v['DATA_TYPE'] == 'enum') {
+        if ($this->isMatchSuffix($fieldsName, $this->enumRadioSuffix) && $v['DATA_TYPE'] == 'enum' || $v['DATA_TYPE'] == 'smallint') {
             $inputType = "radio";
         }
         // 指定后缀结尾且类型为set,说明是个复选框