diff --git a/.env.template b/.env.template
index 805f1c523..ca3751f5c 100644
--- a/.env.template
+++ b/.env.template
@@ -83,7 +83,8 @@ LOCAL_DB_TYPE=sqlite
 # LOCAL_DB_PASSWORD=aa12345678
 # LOCAL_DB_HOST=127.0.0.1
 # LOCAL_DB_PORT=3306
-
+### This option determines the storage location of conversation records. The default is not configured to the old version of duckdb. It can be optionally db or file (if the value is db, the database configured by LOCAL_DB will be used)
+#CHAT_HISTORY_STORE_TYPE=db
 
 #*******************************************************************#
 #**                         COMMANDS                              **#