gx

@@ -66,6 +66,7 @@ class ChatLogic extends BaseLogic
         header('Content-Type: text/event-stream');
         header('Cache-Control: no-cache');
         header('Connection: keep-alive');
+        $aiResponse = '';
         while (!$stream->eof()) {
             $chunk = $stream->read(1024);
             if ($chunk !== false) {