diff --git a/README.md b/README.md
index 0f88225c..49723934 100644
--- a/README.md
+++ b/README.md
@@ -82,6 +82,8 @@ Edit `conf/app.conf`, modify `dataSourceName` to correct database info, which fo
 username:password@tcp(database_ip:database_port)/
 ```
 
+Then create an empty schema (database) named `casdoor` in your relational database. After the program runs for the first time, it will automatically create tables in this schema.
+
 #### Run
 
 Casdoor provides two run modes, the difference is binary size and user prompt.