diff --git a/.env.example b/.env.example
index 751e66314..3b0740dda 100644
--- a/.env.example
+++ b/.env.example
@@ -30,7 +30,7 @@ DB_TABLE_PREFIX=
 # DB_USER=nocobase
 # DB_PASSWORD=nocobase
 # DB_LOGGING=on
-# DB_UNDERSCORED=true
+# DB_UNDERSCORED=false
 
 ################# CACHE #################
 # default is memory cache, when develop mode,code's change will be clear memory cache, so can use 'cache-manager-fs-hash'