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@@ -202,7 +202,7 @@ class App {
     public function requestArr($name='*',array $default = [], $filter = null){
     public function requestArr($name='*',array $default = [], $filter = null){
         $value = $this->request($name,$default, $filter);
         $value = $this->request($name,$default, $filter);
         if(!is_array($value)){
         if(!is_array($value)){
-            $value = explode(',',$value);
+            $value = explode(',',(string) $value);
         }
         }
         foreach ($value as $k=>$v){
         foreach ($value as $k=>$v){
             if($v===''){
             if($v===''){