diff --git a/samples/skywalking-auth/src/main/resources/sky-walking.auth b/samples/skywalking-auth/src/main/resources/sky-walking.auth
index 66a5146f0..7b5b06f49 100644
--- a/samples/skywalking-auth/src/main/resources/sky-walking.auth
+++ b/samples/skywalking-auth/src/main/resources/sky-walking.auth
@@ -1,4 +1,4 @@
-#
+#skyWalking用户ID
 skywalking.user_id=123
 
 #是否打印数据