fix code

hutool-db/src/test/java/cn/hutool/db/sql/SqlBuilderTest.java

@@ -19,4 +19,16 @@ public class SqlBuilderTest {
 		SqlBuilder builder4 = SqlBuilder.create().select().from("user").where(LogicalOperator.AND, new Condition("name", "is not null"));
 		Assert.assertEquals("SELECT * FROM user WHERE name IS NOT NULL", builder4.build());
 	}
+
+	@Test
+	public void orderByTest(){
+		SqlBuilder builder = SqlBuilder.create().select("id", "username").from("user")
+				.join("role", SqlBuilder.Join.INNER)
+				.on("user.id = role.user_id")
+				.where(new Condition("age", ">=", 18),
+						new Condition("username", "abc", Condition.LikeType.Contains)
+				).orderBy(new Order("id"));
+
+		Assert.assertEquals("SELECT id,username FROM user INNER JOIN role ON user.id = role.user_id WHERE age >= ? AND username LIKE ? ORDER BY id", builder.build());
+	}
 }