diff --git a/matrix_gpt/generate_clients/anthropic.py b/matrix_gpt/generate_clients/anthropic.py
index 9f59c02..94cd26f 100644
--- a/matrix_gpt/generate_clients/anthropic.py
+++ b/matrix_gpt/generate_clients/anthropic.py
@@ -13,7 +13,8 @@ class AnthropicApiClient(ApiClient):
 
     def _create_client(self, base_url: str = None):
         return AsyncAnthropic(
-            api_key=self._api_key
+            api_key=self._api_key,
+            base_url=self._api_base
         )
 
     def prepare_context(self, context: list, system_prompt: str = None, injected_system_prompt: str = None):
@@ -31,8 +32,6 @@ class AnthropicApiClient(ApiClient):
                 dummy = self.text_msg(f'<{self._BOT_NAME} did not respond>', self._BOT_NAME) if self._context[i]['role'] == self._HUMAN_NAME else self.text_msg(f'<{self._HUMAN_NAME} did not respond>', self._HUMAN_NAME)
                 self._context.insert(i + 1, dummy)
             i += 1
-        # if self._context[-1]['role'] == self._HUMAN_NAME:
-        #     self._context.append(self.generate_text_msg(f'<{self._BOT_NAME} did not respond>', self._BOT_NAME))
 
     def text_msg(self, content: str, role: str):
         assert role in [self._HUMAN_NAME, self._BOT_NAME]
diff --git a/matrix_gpt/generate_clients/api_client.py b/matrix_gpt/generate_clients/api_client.py
index de2c771..95aef66 100644
--- a/matrix_gpt/generate_clients/api_client.py
+++ b/matrix_gpt/generate_clients/api_client.py
@@ -10,14 +10,15 @@ class ApiClient:
     _HUMAN_NAME = 'user'
     _BOT_NAME = 'assistant'
 
-    def __init__(self, api_key: str, client_helper: MatrixClientHelper, room: MatrixRoom, event: Event):
+    def __init__(self, api_key: str, client_helper: MatrixClientHelper, room: MatrixRoom, event: Event, api_base: str = None):
         self._api_key = api_key
         self._client_helper = client_helper
         self._room = room
         self._event = event
+        self._api_base = api_base
         self._context = []
 
-    def _create_client(self, base_url: str = None):
+    def _create_client(self):
         raise NotImplementedError
 
     def check_ignore_request(self) -> bool:
diff --git a/matrix_gpt/generate_clients/copilot.py b/matrix_gpt/generate_clients/copilot.py
index afb55ca..c0d92bb 100644
--- a/matrix_gpt/generate_clients/copilot.py
+++ b/matrix_gpt/generate_clients/copilot.py
@@ -33,7 +33,7 @@ class CopilotClient(ApiClient):
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
 
-    def _create_client(self, api_base: str = None):
+    def _create_client(self):
         return None
 
     def append_msg(self, content: str, role: str):
diff --git a/matrix_gpt/generate_clients/openai.py b/matrix_gpt/generate_clients/openai.py
index 55d38a7..c0b80c8 100644
--- a/matrix_gpt/generate_clients/openai.py
+++ b/matrix_gpt/generate_clients/openai.py
@@ -12,10 +12,10 @@ class OpenAIClient(ApiClient):
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
 
-    def _create_client(self, api_base: str = None):
+    def _create_client(self):
         return AsyncOpenAI(
             api_key=self._api_key,
-            base_url=api_base
+            base_url=self._api_base
         )
 
     def append_msg(self, content: str, role: str):