diff --git a/config/config.yaml b/config/config.yaml
index 44d1db933..99b1871d8 100644
--- a/config/config.yaml
+++ b/config/config.yaml
@@ -139,7 +139,7 @@ object:
     accessKeyID: "root"
     secretAccessKey: "openIM123"
     sessionToken: ''
-    signEndpoint: "http://127.0.0.1:10005"
+    signEndpoint: "http://172.28.0.1:10005"
     publicRead: false
   cos:
     bucketURL: https://temp-1252357374.cos.ap-chengdu.myqcloud.com