diff --git a/src/config/storage.config.ts b/src/config/storage.config.ts
index 998f44e..cf2ddf8 100644
--- a/src/config/storage.config.ts
+++ b/src/config/storage.config.ts
@@ -8,7 +8,7 @@ export default registerAs('storage', () => ({
     secretKey: process.env.STORAGE_COS_SECRET_KEY || '',
     bucket: process.env.STORAGE_COS_BUCKET || 'zhixi-1259685406',
     region: process.env.STORAGE_COS_REGION || 'ap-beijing',
-    domain: process.env.STORAGE_COS_DOMAIN || 'cos.longde.cloud',
+    domain: process.env.STORAGE_COS_DOMAIN || '',
   },
   s3: {
     bucket: process.env.STORAGE_S3_BUCKET,