diff --git a/fudb/dbapis/fu_db_api.py b/fudb/dbapis/fu_db_api.py
index 66d275a..862ee40 100644
--- a/fudb/dbapis/fu_db_api.py
+++ b/fudb/dbapis/fu_db_api.py
@@ -98,7 +98,7 @@ def batch_insert(conn: Connection, db_type, sql_tpl, data, batch_size=1500):
     """
     handler = BatchInsertHandler(db_type, sql_tpl, data, batch_size)
     insert_sqls = handler.build_insert()
-    # 整个插入都在一个事务内
+    # 插入都在一个事务内
     row_count = 0
     try:
         conn.begin()
@@ -142,7 +142,8 @@ class BatchInsertHandler(object):
     def __init__(self, db_type, sql_tpl, data, batch_size):
         """
         :param db_type: 数据库类型
-        :param sql_tpl: insert into t1 (f1,f2,f3) values %s
+        :param sql_tpl: pg及mysql: insert into t1 (f1,f2,f3) values %s
+                        oracle:   into t1 (f1,f2,f3) values %s
         :param data: [(1,'tom',29),(2,'jack',30)]
         :param batch_size:
         """
@@ -153,13 +154,6 @@ class BatchInsertHandler(object):
         self.data = data
         self.batch_size = batch_size
 
-    def gen_batch_sql(self) -> []:
-        """
-        生成批量插入SQL
-        :return:
-        """
-        pass
-
     def _split_data(self):
         return split_coll(self.data, self.batch_size)
 
diff --git a/test/test_dialect_connector.py b/test/test_dialect_connector.py
index 0e5bdce..2db250a 100644
--- a/test/test_dialect_connector.py
+++ b/test/test_dialect_connector.py
@@ -5,7 +5,7 @@
 # @File    : test_dialect_connector.py
 # @Project : futool-db
 from unittest import TestCase
-from fudb.dbapis.fu_db_api import select_all, select_one, execute_update, batch_insert
+from fudb.dbapis.fu_db_api import select_all, select_one, count, execute_update, batch_insert
 from fudb.connectors.connector_factory import ConnFactory
 
 dds = [(4, 'zr4', 34), (5, 'zr5', 35), (6, 'zr6', 36), (7, 'zr7', 37), (8, 'zr8', 38), (9, 'zr9', 39),
@@ -32,10 +32,21 @@ dds = [(4, 'zr4', 34), (5, 'zr5', 35), (6, 'zr6', 36), (7, 'zr7', 37), (8, 'zr8'
 class TestPostgresqlConnector(TestCase):
     def test_get_conn(self):
         # factory = ConnFactory('postgresql', 'postgres', 'root@123', 'localhost', 5432, 'postgres')
-        factory = ConnFactory('oracle', 'zr', 'root@123', 'localhost', 1521, 'XE')
+        oracle_factory = ConnFactory('oracle', 'zr', 'root@123', 'localhost', 1521, 'XE')
         # factory2 = ConnFactory('postgresql', 'postgres', 'root@123', 'localhost', 5432, 'postgres')
         # print(id(factory), id(factory2))
-        conn = factory.get_conn()
+        conn = oracle_factory.get_conn()
+        # 返回第一条
+        select_one(oracle_factory.get_conn(), 'select * from test limit 20')
+        # 查全部
+        select_all(oracle_factory.get_conn(), 'select * from test limit 20')
+        # 数据量统计
+        count(oracle_factory.get_conn(), 'test')
+        # delete \insert \update
+        execute_update(oracle_factory.get_conn(),'delete from test where id=1')
+        # 批量插入
+        batch_insert(conn, 'oracle', 'into t_user (id,name,age) values %s', dds, 10)
+
         # print(select_all(factory.get_conn(), 'select * from test limit 20'))
         # print(select_all(factory.get_conn(), 'select * from t_user limit 20'))
         # conn.close()