diff --git a/SQL_Parser_Parameterize.md b/SQL_Parser_Parameterize.md
index c1e7098..293c90f 100644
--- a/SQL_Parser_Parameterize.md
+++ b/SQL_Parser_Parameterize.md
@@ -30,4 +30,23 @@ String psql = ParameterizedOutputVisitorUtils.parameterize(sql, dbType);
 assertEquals("SELECT *\n" +
         "FROM t\n" +
         "WHERE id = ?", psql);
+```
+
+## 3. 获取具体参数化后的常量值
+```
+final String dbType = JdbcConstants.MYSQL;
+
+List<Object> outParameters = new ArrayList<Object>();
+String sql = "select * from t where id = 101 and age = 102 or name = 'wenshao'";
+String psql = ParameterizedOutputVisitorUtils.parameterize(sql, dbType, outParameters);
+assertEquals("SELECT *\n" +
+        "FROM t\n" +
+        "WHERE id = ?\n" +
+        "\tAND age = ?\n" +
+        "\tOR name = ?", psql);
+
+assertEquals(3, outParameters.size());
+assertEquals(101, outParameters.get(0));
+assertEquals(102, outParameters.get(1));
+assertEquals("wenshao", outParameters.get(2));
 ```
\ No newline at end of file