diff --git a/configs/docker.yml b/configs/docker.yml
index f17c77e..04041df 100644
--- a/configs/docker.yml
+++ b/configs/docker.yml
@@ -29,7 +29,10 @@ users:
   spaceLimit: 104857600 # 100MB
   limiterCapacity: 1000
   limiterCyc: 1000 # 1s
-  predefinedUsers: []
+  predefinedUsers:
+    - name: "demo"
+      pwd: "Quicksh@re"
+      role: "user"
 workers:
   queueSize: 1024
   sleepCyc: 1 # in second
@@ -44,4 +47,4 @@ site:
       position: "center"
       align: "fixed"
 db:
-  dbPath: "/quickshare/root/quickshare.db"
\ No newline at end of file
+  dbPath: "/quickshare/root/quickshare.db"