diff --git a/backend/.env.example b/backend/.env.example
index ea4c879..467310f 100644
--- a/backend/.env.example
+++ b/backend/.env.example
@@ -6,4 +6,4 @@ ALIYUN_OSS_BUCKET_NAME=tangledup-ai-staging
 ALIYUN_OSS_INTERNAL_ENDPOINT=https://oss-cn-shanghai-internal.aliyuncs.com
 
 # Aliyun Tingwu Configuration
-ALIYUN_TINGWU_APP_KEY=
+ALIYUN_TINGWU_APP_KEY=6eOX7N3tKE0fDwb