diff --git a/webull-python-sdk-core/webullsdkcore/__init__.py b/webull-python-sdk-core/webullsdkcore/__init__.py
index f3a645c..7b31556 100644
--- a/webull-python-sdk-core/webullsdkcore/__init__.py
+++ b/webull-python-sdk-core/webullsdkcore/__init__.py
@@ -1,4 +1,4 @@
-__version__ = "0.1.10"
+__version__ = "0.1.11"
 
 import logging
 
diff --git a/webull-python-sdk-demos/setup.py b/webull-python-sdk-demos/setup.py
index a5995d1..078d626 100644
--- a/webull-python-sdk-demos/setup.py
+++ b/webull-python-sdk-demos/setup.py
@@ -15,8 +15,8 @@
     LONG_DESCRIPTION = fp.read()
 
 requires = [
-    "webull-python-sdk-mdata==0.1.10",
-    "webull-python-sdk-trade==0.1.10"
+    "webull-python-sdk-mdata==0.1.11",
+    "webull-python-sdk-trade==0.1.11"
 ]
 
 setup_args = {
diff --git a/webull-python-sdk-demos/tests/trade/request/test_cancel_option.py b/webull-python-sdk-demos/tests/trade/request/test_cancel_option.py
new file mode 100644
index 0000000..a72480a
--- /dev/null
+++ b/webull-python-sdk-demos/tests/trade/request/test_cancel_option.py
@@ -0,0 +1,47 @@
+# Copyright 2022 Webull
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# 	http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+import json
+import unittest
+
+from webullsdkcore.client import ApiClient
+from webullsdkcore.exception.exceptions import ServerException
+from webullsdktrade.request.v2.cancel_option_request import CancelOptionRequest
+
+optional_api_endpoint = "<api_endpoint>"
+optional_api_region_id = "<api_region_id>"
+your_app_key = "<your_app_key>"
+your_app_secret = "<your_app_secret>"
+account_id = "<your_account_id>"
+api_client = ApiClient(your_app_key, your_app_secret)
+api_client.add_endpoint(optional_api_region_id, optional_api_endpoint)
+
+client_order_id = "e1890d630d5542b48fe50d82e0d7b13f"
+
+class TestOptionOperation(unittest.TestCase):
+    def test_preview_order(self):
+        request = CancelOptionRequest()
+        request.set_endpoint(optional_api_endpoint)
+        request.set_account_id(account_id)
+        request.set_client_order_id(client_order_id)
+        post_body = request.get_body_params()
+        print(json.dumps(post_body, indent=4))
+        params = request.get_query_params()
+        print(params)
+
+        try:
+            response = api_client.get_response(request)
+            print(response.json())
+
+        except ServerException as se:
+            print(se.get_error_code(), ":", se.get_error_msg())
diff --git a/webull-python-sdk-demos/tests/trade/request/test_place_option.py b/webull-python-sdk-demos/tests/trade/request/test_place_option.py
new file mode 100644
index 0000000..98cdb88
--- /dev/null
+++ b/webull-python-sdk-demos/tests/trade/request/test_place_option.py
@@ -0,0 +1,74 @@
+# Copyright 2022 Webull
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# 	http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+import json
+import unittest
+import uuid
+
+from webullsdkcore.client import ApiClient
+from webullsdkcore.exception.exceptions import ServerException
+from webullsdktrade.request.v2.place_option_request import PlaceOptionRequest
+
+optional_api_endpoint = "<api_endpoint>"
+optional_api_region_id = "<api_region_id>"
+your_app_key = "<your_app_key>"
+your_app_secret = "<your_app_secret>"
+account_id = "<your_account_id>"
+api_client = ApiClient(your_app_key, your_app_secret)
+api_client.add_endpoint(optional_api_region_id, optional_api_endpoint)
+
+client_order_id = uuid.uuid4().hex
+new_orders = [
+                {
+                    "client_order_id": client_order_id,
+                    "combo_type": "NORMAL",
+                    "order_type": "LIMIT",
+                    "quantity": "1",
+                    "limit_price": "11.25",
+                    "option_strategy": "SINGLE",
+                    "side": "BUY",
+                    "time_in_force": "GTC",
+                    "entrust_type": "QTY",
+                    "orders": [
+                        {
+                            "side": "BUY",
+                            "quantity": "1",
+                            "symbol": "AAPL",
+                            "strike_price": "250.0",
+                            "init_exp_date": "2025-08-15",
+                            "instrument_type": "OPTION",
+                            "option_type": "CALL",
+                            "market": "US"
+                        }
+                    ]
+                }
+            ]
+
+
+class TestOptionOperation(unittest.TestCase):
+    def test_preview_order(self):
+        request = PlaceOptionRequest()
+        request.set_endpoint(optional_api_endpoint)
+        request.set_account_id(account_id)
+        request.set_new_orders(new_orders)
+        post_body = request.get_body_params()
+        print(json.dumps(post_body, indent=4))
+        params = request.get_query_params()
+        print(params)
+
+        try:
+            response = api_client.get_response(request)
+            print(response.json())
+
+        except ServerException as se:
+            print(se.get_error_code(), ":", se.get_error_msg())
diff --git a/webull-python-sdk-demos/tests/trade/request/test_preview_option.py b/webull-python-sdk-demos/tests/trade/request/test_preview_option.py
new file mode 100644
index 0000000..cd8c76c
--- /dev/null
+++ b/webull-python-sdk-demos/tests/trade/request/test_preview_option.py
@@ -0,0 +1,75 @@
+# Copyright 2022 Webull
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# 	http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+import json
+import unittest
+import uuid
+
+from webullsdkcore.client import ApiClient
+from webullsdkcore.exception.exceptions import ServerException
+from webullsdktrade.request.v2.preview_option_request import PreviewOptionRequest
+
+
+optional_api_endpoint = "<api_endpoint>"
+optional_api_region_id = "<api_region_id>"
+your_app_key = "<your_app_key>"
+your_app_secret = "<your_app_secret>"
+account_id = "<your_account_id>"
+api_client = ApiClient(your_app_key, your_app_secret)
+api_client.add_endpoint(optional_api_region_id, optional_api_endpoint)
+
+client_order_id = uuid.uuid4().hex
+new_orders = [
+                {
+                    "client_order_id": client_order_id,
+                    "combo_type": "NORMAL",
+                    "order_type": "LIMIT",
+                    "quantity": "1",
+                    "limit_price": "11.25",
+                    "option_strategy": "SINGLE",
+                    "side": "BUY",
+                    "time_in_force": "DAY",
+                    "entrust_type": "QTY",
+                    "orders": [
+                        {
+                            "side": "BUY",
+                            "quantity": "1",
+                            "symbol": "AAPL",
+                            "strike_price": "250.0",
+                            "init_exp_date": "2025-08-15",
+                            "instrument_type": "OPTION",
+                            "option_type": "CALL",
+                            "market": "US"
+                        }
+                    ]
+                }
+            ]
+
+
+class TestOptionOperation(unittest.TestCase):
+    def test_preview_order(self):
+        request = PreviewOptionRequest()
+        request.set_endpoint(optional_api_endpoint)
+        request.set_account_id(account_id)
+        request.set_new_orders(new_orders)
+        post_body = request.get_body_params()
+        print(json.dumps(post_body, indent=4))
+        params = request.get_query_params()
+        print(params)
+
+        try:
+            response = api_client.get_response(request)
+            print(response.json())
+
+        except ServerException as se:
+            print(se.get_error_code(), ":", se.get_error_msg())
diff --git a/webull-python-sdk-demos/tests/trade/request/test_replace_option.py b/webull-python-sdk-demos/tests/trade/request/test_replace_option.py
new file mode 100644
index 0000000..e3dbef9
--- /dev/null
+++ b/webull-python-sdk-demos/tests/trade/request/test_replace_option.py
@@ -0,0 +1,62 @@
+# Copyright 2022 Webull
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# 	http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+import json
+import unittest
+
+from webullsdkcore.client import ApiClient
+from webullsdkcore.exception.exceptions import ServerException
+from webullsdktrade.request.v2.replace_option_request import ReplaceOptionRequest
+
+
+optional_api_endpoint = "<api_endpoint>"
+optional_api_region_id = "<api_region_id>"
+your_app_key = "<your_app_key>"
+your_app_secret = "<your_app_secret>"
+account_id = "<your_account_id>"
+api_client = ApiClient(your_app_key, your_app_secret)
+api_client.add_endpoint(optional_api_region_id, optional_api_endpoint)
+
+client_order_id = "e1890d630d5542b48fe50d82e0d7b13f"
+modify_orders = [
+            {
+                "client_order_id": client_order_id,
+                "quantity": "2",
+                "limit_price": "11.3",
+                "orders": [
+                    {
+                        "client_order_id": client_order_id,
+                        "quantity": "2"
+                    }
+                ]
+            }
+        ]
+
+
+class TestOptionOperation(unittest.TestCase):
+    def test_preview_order(self):
+        request = ReplaceOptionRequest()
+        request.set_endpoint(optional_api_endpoint)
+        request.set_account_id(account_id)
+        request.set_modify_orders(modify_orders)
+        post_body = request.get_body_params()
+        print(json.dumps(post_body, indent=4))
+        params = request.get_query_params()
+        print(params)
+
+        try:
+            response = api_client.get_response(request)
+            print(response.json())
+
+        except ServerException as se:
+            print(se.get_error_code(), ":", se.get_error_msg())
diff --git a/webull-python-sdk-demos/tests/trade/request/v2/test_order_detail.py b/webull-python-sdk-demos/tests/trade/request/v2/test_order_detail.py
new file mode 100644
index 0000000..0a3f6aa
--- /dev/null
+++ b/webull-python-sdk-demos/tests/trade/request/v2/test_order_detail.py
@@ -0,0 +1,46 @@
+# Copyright 2022 Webull
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# 	http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+import json
+import unittest
+
+from webullsdkcore.client import ApiClient
+from webullsdkcore.exception.exceptions import ServerException
+from webullsdktrade.request.v2.get_order_detail_request import OrderDetailRequest
+
+
+optional_api_endpoint = "<api_endpoint>"
+optional_api_region_id = "<api_region_id>"
+your_app_key = "<your_app_key>"
+your_app_secret = "<your_app_secret>"
+account_id = "<your_account_id>"
+api_client = ApiClient(your_app_key, your_app_secret)
+api_client.add_endpoint(optional_api_region_id, optional_api_endpoint)
+
+# Replace with the client_order_id to be queried.
+client_order_id = "<your_client_order_id>"
+
+class TestOrderOperation(unittest.TestCase):
+    def test_order_open(self):
+        request = OrderDetailRequest()
+        request.set_endpoint(optional_api_endpoint)
+        request.set_account_id(account_id)
+        request.set_client_order_id(client_order_id)
+        params = request.get_query_params()
+        print(params)
+        try:
+            response = api_client.get_response(request)
+            print(json.dumps(response.json(), indent=4))
+
+        except ServerException as se:
+            print(se.get_error_code(), ":", se.get_error_msg())
diff --git a/webull-python-sdk-demos/tests/trade/test_api.py b/webull-python-sdk-demos/tests/trade/test_api.py
index 4a92000..df971ab 100644
--- a/webull-python-sdk-demos/tests/trade/test_api.py
+++ b/webull-python-sdk-demos/tests/trade/test_api.py
@@ -12,8 +12,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+import json
 import unittest
 import uuid
+from time import sleep
 
 from webullsdkcore.client import ApiClient
 from webullsdkmdata.common.category import Category
@@ -219,3 +221,71 @@ def test_api(self):
         res = api.order.cancel_order(account_id, client_order_id)
         if res.status_code == 200:
             print('cancel order status:', res.json())
+
+
+
+        # Options
+        # For option order inquiries, please use the V2 query interface: api.order_v2.get_order_detail(account_id, client_order_id).
+        client_order_id = uuid.uuid4().hex
+        option_new_orders = [
+            {
+                "client_order_id": client_order_id,
+                "combo_type": "NORMAL",
+                "order_type": "LIMIT",
+                "quantity": "1",
+                "limit_price": "11.25",
+                "option_strategy": "SINGLE",
+                "side": "BUY",
+                "time_in_force": "GTC",
+                "entrust_type": "QTY",
+                "orders": [
+                    {
+                        "side": "BUY",
+                        "quantity": "1",
+                        "symbol": "AAPL",
+                        "strike_price": "250.0",
+                        "init_exp_date": "2025-08-15",
+                        "instrument_type": "OPTION",
+                        "option_type": "CALL",
+                        "market": "US"
+                    }
+                ]
+            }
+        ]
+
+        option_modify_orders = [
+            {
+                "client_order_id": client_order_id,
+                "quantity": "2",
+                "limit_price": "11.3",
+                "orders": [
+                    {
+                        "client_order_id": client_order_id,
+                        "quantity": "2"
+                    }
+                ]
+            }
+        ]
+
+        # preview
+        res = api.order.preview_option(account_id, option_new_orders)
+        if res.status_code == 200:
+            print("preview option=" + json.dumps(res.json(), indent=4))
+        sleep(5)
+
+        # place
+        res = api.order.place_option(account_id, option_new_orders)
+        if res.status_code == 200:
+            print("place option=" + json.dumps(res.json(), indent=4))
+        sleep(5)
+
+        # replace
+        res = api.order.replace_option(account_id, option_modify_orders)
+        if res.status_code == 200:
+            print("replace option=" + json.dumps(res.json(), indent=4))
+        sleep(5)
+
+        # cancel
+        res = api.order.cancel_option(account_id, client_order_id)
+        if res.status_code == 200:
+            print("cancel option=" + json.dumps(res.json(), indent=4))
diff --git a/webull-python-sdk-demos/tests/trade/test_api_v2.py b/webull-python-sdk-demos/tests/trade/test_api_v2.py
index f2e587f..de8930f 100644
--- a/webull-python-sdk-demos/tests/trade/test_api_v2.py
+++ b/webull-python-sdk-demos/tests/trade/test_api_v2.py
@@ -96,3 +96,8 @@ def test_api(self):
         res = api.order_v2.get_order_history_request(account_id=account_id)
         if res.status_code == 200:
             print("order_history_res=" + json.dumps(res.json(), indent=4))
+
+        # order detail
+        res = api.order_v2.get_order_detail(account_id=account_id, client_order_id=client_order_id)
+        if res.status_code == 200:
+            print("order_detail_res=" + json.dumps(res.json(), indent=4))
\ No newline at end of file
diff --git a/webull-python-sdk-mdata/setup.py b/webull-python-sdk-mdata/setup.py
index 92b203a..d0ef114 100644
--- a/webull-python-sdk-mdata/setup.py
+++ b/webull-python-sdk-mdata/setup.py
@@ -15,8 +15,8 @@
     LONG_DESCRIPTION = fp.read()
 
 requires = [
-    "webull-python-sdk-core==0.1.10",
-    "webull-python-sdk-quotes-core==0.1.10"
+    "webull-python-sdk-core==0.1.11",
+    "webull-python-sdk-quotes-core==0.1.11"
 ]
 
 setup_args = {
diff --git a/webull-python-sdk-mdata/webullsdkmdata/__init__.py b/webull-python-sdk-mdata/webullsdkmdata/__init__.py
index 8805f1f..68f2508 100644
--- a/webull-python-sdk-mdata/webullsdkmdata/__init__.py
+++ b/webull-python-sdk-mdata/webullsdkmdata/__init__.py
@@ -1,3 +1,3 @@
 # coding=utf-8
 
-__version__ = '0.1.10'
\ No newline at end of file
+__version__ = '0.1.11'
\ No newline at end of file
diff --git a/webull-python-sdk-quotes-core/setup.py b/webull-python-sdk-quotes-core/setup.py
index 18439d7..ffb2a49 100644
--- a/webull-python-sdk-quotes-core/setup.py
+++ b/webull-python-sdk-quotes-core/setup.py
@@ -24,7 +24,7 @@
     "grpcio==1.51.1",
     "grpcio-tools==1.51.1",
     "protobuf==4.21.12",
-    "webull-python-sdk-core==0.1.10"
+    "webull-python-sdk-core==0.1.11"
 ]
 
 setup_args = {
diff --git a/webull-python-sdk-quotes-core/webullsdkquotescore/__init__.py b/webull-python-sdk-quotes-core/webullsdkquotescore/__init__.py
index 569b121..0c5c300 100644
--- a/webull-python-sdk-quotes-core/webullsdkquotescore/__init__.py
+++ b/webull-python-sdk-quotes-core/webullsdkquotescore/__init__.py
@@ -1 +1 @@
-__version__ = "0.1.10"
+__version__ = "0.1.11"
diff --git a/webull-python-sdk-trade-events-core/setup.py b/webull-python-sdk-trade-events-core/setup.py
index 09a68a7..06bb966 100644
--- a/webull-python-sdk-trade-events-core/setup.py
+++ b/webull-python-sdk-trade-events-core/setup.py
@@ -23,7 +23,7 @@
     "grpcio==1.51.1",
     "grpcio-tools==1.51.1",
     "protobuf==4.21.12",
-    "webull-python-sdk-core==0.1.10"
+    "webull-python-sdk-core==0.1.11"
 ]
 
 setup_args = {
diff --git a/webull-python-sdk-trade-events-core/webullsdktradeeventscore/__init__.py b/webull-python-sdk-trade-events-core/webullsdktradeeventscore/__init__.py
index 569b121..0c5c300 100644
--- a/webull-python-sdk-trade-events-core/webullsdktradeeventscore/__init__.py
+++ b/webull-python-sdk-trade-events-core/webullsdktradeeventscore/__init__.py
@@ -1 +1 @@
-__version__ = "0.1.10"
+__version__ = "0.1.11"
diff --git a/webull-python-sdk-trade/setup.py b/webull-python-sdk-trade/setup.py
index 6ab9d2e..592a7d3 100644
--- a/webull-python-sdk-trade/setup.py
+++ b/webull-python-sdk-trade/setup.py
@@ -15,8 +15,8 @@
     LONG_DESCRIPTION = fp.read()
 
 requires = [
-    "webull-python-sdk-trade-events-core==0.1.10",
-    "webull-python-sdk-core==0.1.10"
+    "webull-python-sdk-trade-events-core==0.1.11",
+    "webull-python-sdk-core==0.1.11"
 ]
 
 setup_args = {
diff --git a/webull-python-sdk-trade/webullsdktrade/__init__.py b/webull-python-sdk-trade/webullsdktrade/__init__.py
index d09418f..aebb7d1 100644
--- a/webull-python-sdk-trade/webullsdktrade/__init__.py
+++ b/webull-python-sdk-trade/webullsdktrade/__init__.py
@@ -1,2 +1,2 @@
-__version__ = "0.1.10"
+__version__ = "0.1.11"
 
diff --git a/webull-python-sdk-trade/webullsdktrade/request/v2/cancel_option_request.py b/webull-python-sdk-trade/webullsdktrade/request/v2/cancel_option_request.py
new file mode 100644
index 0000000..b8fc94c
--- /dev/null
+++ b/webull-python-sdk-trade/webullsdktrade/request/v2/cancel_option_request.py
@@ -0,0 +1,28 @@
+# Copyright 2022 Webull
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# 	http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# coding=utf-8
+
+from webullsdkcore.request import ApiRequest
+
+
+class CancelOptionRequest(ApiRequest):
+    def __init__(self):
+        super().__init__("/openapi/account/orders/option/cancel", version='v1', method="POST", body_params={})
+
+    def set_client_order_id(self, client_order_id):
+        self.add_body_params("client_order_id", client_order_id)
+
+    def set_account_id(self, account_id):
+        self.add_query_param("account_id", account_id)
\ No newline at end of file
diff --git a/webull-python-sdk-trade/webullsdktrade/request/v2/get_order_detail_request.py b/webull-python-sdk-trade/webullsdktrade/request/v2/get_order_detail_request.py
new file mode 100644
index 0000000..424a868
--- /dev/null
+++ b/webull-python-sdk-trade/webullsdktrade/request/v2/get_order_detail_request.py
@@ -0,0 +1,26 @@
+# Copyright 2022 Webull
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# 	http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from webullsdkcore.request import ApiRequest
+
+
+class OrderDetailRequest(ApiRequest):
+    def __init__(self):
+        ApiRequest.__init__(self, "/openapi/account/orders/detail", version='v1', method="GET", body_params={})
+
+    def set_account_id(self, account_id):
+        self.add_query_param("account_id", account_id)
+
+    def set_client_order_id(self, client_order_id):
+        self.add_query_param("client_order_id", client_order_id)
\ No newline at end of file
diff --git a/webull-python-sdk-trade/webullsdktrade/request/v2/get_order_history_request.py b/webull-python-sdk-trade/webullsdktrade/request/v2/get_order_history_request.py
index 48670a2..9861437 100644
--- a/webull-python-sdk-trade/webullsdktrade/request/v2/get_order_history_request.py
+++ b/webull-python-sdk-trade/webullsdktrade/request/v2/get_order_history_request.py
@@ -28,5 +28,8 @@ def set_page_size(self, page_size):
     def set_start_date(self, start_date):
         self.add_query_param("start_date", start_date)
 
+    def set_end_date(self, end_date):
+        self.add_query_param("end_date", end_date)
+
     def set_last_client_order_id(self, last_client_order_id):
         self.add_query_param("last_client_order_id", last_client_order_id)
\ No newline at end of file
diff --git a/webull-python-sdk-trade/webullsdktrade/request/v2/place_option_request.py b/webull-python-sdk-trade/webullsdktrade/request/v2/place_option_request.py
new file mode 100644
index 0000000..61fb9ea
--- /dev/null
+++ b/webull-python-sdk-trade/webullsdktrade/request/v2/place_option_request.py
@@ -0,0 +1,28 @@
+# Copyright 2022 Webull
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# 	http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# coding=utf-8
+
+from webullsdkcore.request import ApiRequest
+
+
+class PlaceOptionRequest(ApiRequest):
+    def __init__(self):
+        super().__init__("/openapi/account/orders/option/place", version='v1', method="POST", body_params={})
+
+    def set_new_orders(self, new_orders):
+        self.add_body_params("new_orders", new_orders)
+
+    def set_account_id(self, account_id):
+        self.add_query_param("account_id", account_id)
\ No newline at end of file
diff --git a/webull-python-sdk-trade/webullsdktrade/request/v2/preview_option_request.py b/webull-python-sdk-trade/webullsdktrade/request/v2/preview_option_request.py
new file mode 100644
index 0000000..a1b6ee8
--- /dev/null
+++ b/webull-python-sdk-trade/webullsdktrade/request/v2/preview_option_request.py
@@ -0,0 +1,28 @@
+# Copyright 2022 Webull
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# 	http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# coding=utf-8
+
+from webullsdkcore.request import ApiRequest
+
+
+class PreviewOptionRequest(ApiRequest):
+    def __init__(self):
+        super().__init__("/openapi/account/orders/option/preview", version='v1', method="POST", body_params={})
+
+    def set_new_orders(self, new_orders):
+        self.add_body_params("new_orders", new_orders)
+
+    def set_account_id(self, account_id):
+        self.add_query_param("account_id", account_id)
\ No newline at end of file
diff --git a/webull-python-sdk-trade/webullsdktrade/request/v2/replace_option_request.py b/webull-python-sdk-trade/webullsdktrade/request/v2/replace_option_request.py
new file mode 100644
index 0000000..2027c7b
--- /dev/null
+++ b/webull-python-sdk-trade/webullsdktrade/request/v2/replace_option_request.py
@@ -0,0 +1,28 @@
+# Copyright 2022 Webull
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# 	http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# coding=utf-8
+
+from webullsdkcore.request import ApiRequest
+
+
+class ReplaceOptionRequest(ApiRequest):
+    def __init__(self):
+        super().__init__("/openapi/account/orders/option/replace", version='v1', method="POST", body_params={})
+
+    def set_modify_orders(self, modify_orders):
+        self.add_body_params("modify_orders", modify_orders)
+
+    def set_account_id(self, account_id):
+        self.add_query_param("account_id", account_id)
\ No newline at end of file
diff --git a/webull-python-sdk-trade/webullsdktrade/trade/order_operation.py b/webull-python-sdk-trade/webullsdktrade/trade/order_operation.py
index 4114b7f..778ece8 100644
--- a/webull-python-sdk-trade/webullsdktrade/trade/order_operation.py
+++ b/webull-python-sdk-trade/webullsdktrade/trade/order_operation.py
@@ -13,10 +13,6 @@
 # limitations under the License.
 
 # coding=utf-8
-import uuid
-from webullsdktrade.common.order_side import OrderSide
-from webullsdktrade.common.order_tif import OrderTIF
-from webullsdktrade.common.order_type import OrderType
 from webullsdktrade.request.cancel_order_request import CancelOrderRequest
 from webullsdktrade.request.get_open_orders_request import OpenOrdersListRequest
 from webullsdktrade.request.get_order_detail_request import OrderDetailRequest
@@ -25,6 +21,10 @@
 from webullsdktrade.request.place_order_request_v2 import PlaceOrderRequestV2
 from webullsdktrade.request.replace_order_request import ReplaceOrderRequest
 from webullsdktrade.request.replace_order_request_v2 import ReplaceOrderRequestV2
+from webullsdktrade.request.v2.cancel_option_request import CancelOptionRequest
+from webullsdktrade.request.v2.place_option_request import PlaceOptionRequest
+from webullsdktrade.request.v2.preview_option_request import PreviewOptionRequest
+from webullsdktrade.request.v2.replace_option_request import ReplaceOptionRequest
 
 
 class OrderOperation:
@@ -171,3 +171,51 @@ def query_order_detail(self, account_id, client_order_id):
         order_detail_request.set_client_order_id(client_order_id)
         response = self.client.get_response(order_detail_request)
         return response
+
+    def preview_option(self, account_id, new_orders):
+        """
+        This interface is exclusively available for Webull Hong Kong brokerage clients.
+        Currently, it does not support Webull Japan or Webull U.S. clients,
+        but support will be gradually introduced in the future.
+        """
+        preview_option_request = PreviewOptionRequest()
+        preview_option_request.set_new_orders(new_orders)
+        preview_option_request.set_account_id(account_id)
+        response = self.client.get_response(preview_option_request)
+        return response
+
+    def place_option(self, account_id, new_orders):
+        """
+        This interface is exclusively available for Webull Hong Kong brokerage clients.
+        Currently, it does not support Webull Japan or Webull U.S. clients,
+        but support will be gradually introduced in the future.
+        """
+        place_option_request = PlaceOptionRequest()
+        place_option_request.set_new_orders(new_orders)
+        place_option_request.set_account_id(account_id)
+        response = self.client.get_response(place_option_request)
+        return response
+
+    def replace_option(self, account_id, modify_orders):
+        """
+        This interface is exclusively available for Webull Hong Kong brokerage clients.
+        Currently, it does not support Webull Japan or Webull U.S. clients,
+        but support will be gradually introduced in the future.
+        """
+        replace_option_request = ReplaceOptionRequest()
+        replace_option_request.set_modify_orders(modify_orders)
+        replace_option_request.set_account_id(account_id)
+        response = self.client.get_response(replace_option_request)
+        return response
+
+    def cancel_option(self, account_id, client_order_id):
+        """
+        This interface is exclusively available for Webull Hong Kong brokerage clients.
+        Currently, it does not support Webull Japan or Webull U.S. clients,
+        but support will be gradually introduced in the future.
+        """
+        cancel_option_request = CancelOptionRequest()
+        cancel_option_request.set_client_order_id(client_order_id)
+        cancel_option_request.set_account_id(account_id)
+        response = self.client.get_response(cancel_option_request)
+        return response
\ No newline at end of file
diff --git a/webull-python-sdk-trade/webullsdktrade/trade/v2/order_operation_v2.py b/webull-python-sdk-trade/webullsdktrade/trade/v2/order_operation_v2.py
index ef04da7..f8387b4 100644
--- a/webull-python-sdk-trade/webullsdktrade/trade/v2/order_operation_v2.py
+++ b/webull-python-sdk-trade/webullsdktrade/trade/v2/order_operation_v2.py
@@ -12,8 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 # coding=utf-8
-
 from webullsdktrade.request.v2.cancel_order_request import CancelOrderRequest
+from webullsdktrade.request.v2.get_order_detail_request import OrderDetailRequest
 from webullsdktrade.request.v2.get_order_history_request import OrderHistoryRequest
 from webullsdktrade.request.v2.palce_order_request import PlaceOrderRequest
 from webullsdktrade.request.v2.preview_order_request import PreviewOrderRequest
@@ -75,7 +75,19 @@ def cancel_order_v2(self, account_id, client_order_id):
         response = self.client.get_response(cancel_order_request)
         return response
 
-    def get_order_history_request(self, account_id, page_size=None, start_date=None, last_client_order_id=None):
+    def get_order_detail(self, account_id, client_order_id):
+        """
+        This interface is exclusively available for Webull Hong Kong brokerage clients.
+         Currently, it does not support Webull Japan or Webull U.S. clients,
+         but support will be gradually introduced in the future.
+        """
+        order_detail_request = OrderDetailRequest()
+        order_detail_request.set_account_id(account_id)
+        order_detail_request.set_client_order_id(client_order_id)
+        response = self.client.get_response(order_detail_request)
+        return response
+
+    def get_order_history_request(self, account_id, page_size=None, start_date=None, end_date=None, last_client_order_id=None):
         """
          This interface is exclusively available for Webull Japan brokerage clients.
          Currently, it does not support Webull Hong Kong or Webull U.S. clients,
@@ -87,6 +99,8 @@ def get_order_history_request(self, account_id, page_size=None, start_date=None,
             order_history_request.set_page_size(page_size=page_size)
         if start_date:
             order_history_request.set_start_date(start_date=start_date)
+        if end_date:
+            order_history_request.set_end_date(end_date=end_date)
         if last_client_order_id:
             order_history_request.set_last_client_order_id(last_client_order_id=last_client_order_id)
         response = self.client.get_response(order_history_request)