diff --git a/spring-boot-demo-orm-jdbctemplate/src/main/java/com/xkcoding/orm/jdbctemplate/dao/base/BaseDao.java b/spring-boot-demo-orm-jdbctemplate/src/main/java/com/xkcoding/orm/jdbctemplate/dao/base/BaseDao.java
index 29cc3be..4c7958e 100644
--- a/spring-boot-demo-orm-jdbctemplate/src/main/java/com/xkcoding/orm/jdbctemplate/dao/base/BaseDao.java
+++ b/spring-boot-demo-orm-jdbctemplate/src/main/java/com/xkcoding/orm/jdbctemplate/dao/base/BaseDao.java
@@ -46,7 +46,7 @@ public class BaseDao<T> {
 	 * @param ignoreNull 是否忽略 null 值
 	 * @return 操作的行数
 	 */
-	public Integer insert(T t, Boolean ignoreNull) {
+	protected Integer insert(T t, Boolean ignoreNull) {
 		Table tableAnnotation = t.getClass().getAnnotation(Table.class);
 		String table;
 		if (ObjectUtil.isNotNull(tableAnnotation)) {