e

@@ -235,12 +235,16 @@ class App {
     public function requestArr($name='*',array $default = [], $filter = null){
         $value = $this->request($name,$default, $filter);
         if(!is_array($value)){
+            if($value){
                 $j = @json_decode($value,true);
                 if(is_array($j)){
                     $value = $j;
                 }else{
                     $value = explode(',',(string) $value);
                 }
+            }else{
+                $value = [];
+            }
         }
         foreach ($value as $k=>$v){
             if($v===''){