diff --git a/src/main/java/com/monkeyk/sos/config/JWTTokenStoreConfiguration.java b/src/main/java/com/monkeyk/sos/config/JWTTokenStoreConfiguration.java
index 6e8519e..a0bdc30 100644
--- a/src/main/java/com/monkeyk/sos/config/JWTTokenStoreConfiguration.java
+++ b/src/main/java/com/monkeyk/sos/config/JWTTokenStoreConfiguration.java
@@ -19,6 +19,9 @@ import org.springframework.security.oauth2.provider.token.store.JwtTokenStore;
  * <p>
  * JWT TokenStore config
  *
+ * 使用时配置参数
+ * <pre>sos.token.store=jwt</pre>
+ *
  * @author Shengzhao Li
  * @since 2.1.0
  */
diff --git a/src/main/java/com/monkeyk/sos/config/JdbcTokenStoreConfiguration.java b/src/main/java/com/monkeyk/sos/config/JdbcTokenStoreConfiguration.java
index 48557ce..748b8a3 100644
--- a/src/main/java/com/monkeyk/sos/config/JdbcTokenStoreConfiguration.java
+++ b/src/main/java/com/monkeyk/sos/config/JdbcTokenStoreConfiguration.java
@@ -15,6 +15,8 @@ import javax.sql.DataSource;
  * <p>
  * <p>
  * JDBC TokenStore config
+ * 使用时配置参数
+ * <pre>sos.token.store=jdbc</pre>   (默认)
  *
  * @author Shengzhao Li
  * @since 2.1.0