diff --git a/g4f/Provider/needs_auth/OpenaiChat.py b/g4f/Provider/needs_auth/OpenaiChat.py
index 72f9f224..396d73dd 100644
--- a/g4f/Provider/needs_auth/OpenaiChat.py
+++ b/g4f/Provider/needs_auth/OpenaiChat.py
@@ -389,19 +389,17 @@ class OpenaiChat(AsyncGeneratorProvider, ProviderModelMixin):
                     print(f"{e.__class__.__name__}: {e}")
 
             model = cls.get_model(model).replace("gpt-3.5-turbo", "text-davinci-002-render-sha")
-            fields = Conversation() if conversation is None else copy(conversation)
+            fields = Conversation(conversation_id, parent_id) if conversation is None else copy(conversation)
             fields.finish_reason = None
             while fields.finish_reason is None:
-                conversation_id = conversation_id if fields.conversation_id is None else fields.conversation_id
-                parent_id = parent_id if fields.message_id is None else fields.message_id
                 websocket_request_id = str(uuid.uuid4())
                 data = {
                     "action": action,
                     "conversation_mode": {"kind": "primary_assistant"},
                     "force_paragen": False,
                     "force_rate_limit": False,
-                    "conversation_id": conversation_id,
-                    "parent_message_id": parent_id,
+                    "conversation_id": fields.conversation_id,
+                    "parent_message_id": fields.message_id,
                     "model": model,
                     "history_and_training_disabled": history_disabled and not auto_continue and not return_conversation,
                     "websocket_request_id": websocket_request_id
@@ -425,6 +423,7 @@ class OpenaiChat(AsyncGeneratorProvider, ProviderModelMixin):
                     await raise_for_status(response)
                     async for chunk in cls.iter_messages_chunk(response.iter_lines(), session, fields):
                         if return_conversation:
+                            history_disabled = False
                             return_conversation = False
                             yield fields
                         yield chunk
@@ -432,7 +431,7 @@ class OpenaiChat(AsyncGeneratorProvider, ProviderModelMixin):
                     break
                 action = "continue"
                 await asyncio.sleep(5)
-            if history_disabled and auto_continue and not return_conversation:
+            if history_disabled and auto_continue:
                 await cls.delete_conversation(session, cls._headers, fields.conversation_id)
 
     @staticmethod
diff --git a/g4f/gui/server/api.py b/g4f/gui/server/api.py
index da934d57..b4e2b3d4 100644
--- a/g4f/gui/server/api.py
+++ b/g4f/gui/server/api.py
@@ -41,7 +41,7 @@ from g4f.providers.base_provider import ProviderModelMixin
 from g4f.Provider.bing.create_images import patch_provider
 from g4f.providers.conversation import BaseConversation
 
-conversations: dict[str, BaseConversation] = {}
+conversations: dict[dict[str, BaseConversation]] = {}
 
 class Api():
 
@@ -106,7 +106,8 @@ class Api():
             kwargs["image"] = open(self.image, "rb")
         for message in self._create_response_stream(
             self._prepare_conversation_kwargs(options, kwargs),
-            options.get("conversation_id")
+            options.get("conversation_id"),
+            options.get('provider')
         ):
             if not window.evaluate_js(f"if (!this.abort) this.add_message_chunk({json.dumps(message)}); !this.abort && !this.error;"):
                 break
@@ -193,8 +194,8 @@ class Api():
                 messages[-1]["content"] = get_search_message(messages[-1]["content"])
 
         conversation_id = json_data.get("conversation_id")
-        if conversation_id and conversation_id in conversations:
-            kwargs["conversation"] = conversations[conversation_id]
+        if conversation_id and provider in conversations and conversation_id in conversations[provider]:
+            kwargs["conversation"] = conversations[provider][conversation_id]
 
         model = json_data.get('model')
         model = model if model else models.default
@@ -211,7 +212,7 @@ class Api():
             **kwargs
         }
 
-    def _create_response_stream(self, kwargs, conversation_id: str) -> Iterator:
+    def _create_response_stream(self, kwargs: dict, conversation_id: str, provider: str) -> Iterator:
         """
         Creates and returns a streaming response for the conversation.
 
@@ -231,7 +232,9 @@ class Api():
                     first = False
                     yield self._format_json("provider", get_last_provider(True))
                 if isinstance(chunk, BaseConversation):
-                    conversations[conversation_id] = chunk
+                    if provider not in conversations:
+                        conversations[provider] = {}
+                    conversations[provider][conversation_id] = chunk
                     yield self._format_json("conversation", conversation_id)
                 elif isinstance(chunk, Exception):
                     logging.exception(chunk)
diff --git a/g4f/gui/server/backend.py b/g4f/gui/server/backend.py
index fb8404d4..d30b97d9 100644
--- a/g4f/gui/server/backend.py
+++ b/g4f/gui/server/backend.py
@@ -85,7 +85,7 @@ class Backend_Api(Api):
         kwargs = self._prepare_conversation_kwargs(json_data, kwargs)
 
         return self.app.response_class(
-            self._create_response_stream(kwargs, json_data.get("conversation_id")),
+            self._create_response_stream(kwargs, json_data.get("conversation_id"), json_data.get("provider")),
             mimetype='text/event-stream'
         )
 
diff --git a/requirements.txt b/requirements.txt
index 1c00e099..da7f598a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,4 +20,4 @@ aiohttp_socks
 gpt4all
 pywebview
 plyer
-pycryptodome
\ No newline at end of file
+cryptography
\ No newline at end of file
diff --git a/setup.py b/setup.py
index 58fa5ae9..9b3f12d0 100644
--- a/setup.py
+++ b/setup.py
@@ -20,22 +20,27 @@ EXTRA_REQUIRE = {
         "curl_cffi>=0.6.2",
         "certifi",
         "browser_cookie3",         # get_cookies
-        "PyExecJS",                # GptForLove
+        "PyExecJS",                # GptForLove, Vercel
         "duckduckgo-search>=5.0"  ,# internet.search
         "beautifulsoup4",          # internet.search and bing.create_images
-        "brotli",                  # openai
-        #"undetected-chromedriver>=3.5.5", # webdriver
-        #"setuptools",              # webdriver
+        "brotli",                  # openai, bing
+        # webdriver
+        #"undetected-chromedriver>=3.5.5",
+        #"setuptools", 
+        #"selenium-wire"
+        # webview
         "pywebview",
         "platformdirs",
         "plyer",
+        "cryptography",
+        ####
         "aiohttp_socks",           # proxy
         "pillow",                  # image
         "cairosvg",                # svg image
         "werkzeug", "flask",       # gui
-        "loguru", "fastapi",
+        "loguru", "fastapi",       # api
         "uvicorn", "nest_asyncio", # api
-        #"selenium-wire"
+        "pycryptodome"             # openai
     ],
     "image": [
         "pillow",
@@ -51,9 +56,12 @@ EXTRA_REQUIRE = {
     "webview": [
         "webview",
         "platformdirs",
-        "plyer"
+        "plyer",
+        "cryptography"
+    ],
+    "openai": [
+        "pycryptodome"
     ],
-    "openai": [],
     "api": [
         "loguru", "fastapi",
         "uvicorn", "nest_asyncio"