cookie

@@ -25,12 +25,14 @@ if(!function_exists('hasRole')) {
         $CI = &get_instance();
         $CI->load->helper('cookie');
         $login_user = get_cookie('login_user');
-        $login_user = json_decode($login_user, true);
-        foreach($login_user['roleKeys'] as $v){
-            if(in_array($v, $roles)){
-                return true;
+        if($login_user) {
+            $login_user = json_decode($login_user, true);
+            foreach($login_user['roleKeys'] as $v){
+                if(in_array($v, $roles)){
+                    return true;
+                }
             }
+            return false;
         }
-        return false;
     }
 }