diff --git a/qwen3-tts-backend/.env.example b/qwen3-tts-backend/.env.example
index dc77082..60f6f5b 100644
--- a/qwen3-tts-backend/.env.example
+++ b/qwen3-tts-backend/.env.example
@@ -21,6 +21,6 @@ BATCH_WAIT_TIME=0.5
 MAX_TEXT_LENGTH=1000
 MAX_AUDIO_SIZE_MB=10
 
-ALIYUN_REGION=beijing
+
 
 DEFAULT_BACKEND=local