bug

application/chat/service/ChatService.php

@@ -95,8 +95,7 @@ class ChatService
                 $where_["inuse"] = 1;
                 $where_["id"]    = $userId;
                 $agentsResult    = $this->agentsModel->getAgentsById("id", $where_);
-
-                if ($agentsResult[0]['id'] > 0)
+                if ( count($agentsResult) > 0 && $agentsResult[0]['id'] > 0)
                     $onlyId = self::SOURCE_TYPE_AGENT . $userId;
                 break;
             case 2: