diff --git a/wechat-voice-reco.test.mjs b/wechat-voice-reco.test.mjs
index f5b18b4..6836306 100644
--- a/wechat-voice-reco.test.mjs
+++ b/wechat-voice-reco.test.mjs
@@ -45,7 +45,7 @@ test('transcribeWechatVoiceViaRecoApi uploads mp3 and polls reco result', async
     },
     convertToMp3: async () => mp3Buffer,
     pollIntervalMs: 1,
-    pollTimeoutMs: 50,
+    pollTimeoutMs: 2_000,
     now: () => Date.now(),
   });