diff --git a/config/openim-rpc-auth.yml b/config/openim-rpc-auth.yml
index a77b5457e..e8612efd6 100644
--- a/config/openim-rpc-auth.yml
+++ b/config/openim-rpc-auth.yml
@@ -8,6 +8,6 @@ prometheus:
   ports: [ 20106 ]
 
 tokenPolicy:
-  #token有效期，单位（天）
+  # Token validity period, in days
   expire: 90