diff --git a/src-python/controller.py b/src-python/controller.py
index 136f807c..f8ce770c 100644
--- a/src-python/controller.py
+++ b/src-python/controller.py
@@ -1877,16 +1877,59 @@ class Controller:
             }
         return response
 
+    def checkTranslatorLMStudioConnection(self, *args, **kwargs) -> dict:
+        printLog("Check Translator LMStudio Connection")
+        translator_name = "LMStudio"
+        try:
+            result = model.authenticationTranslatorLMStudio()
+            if result is True:
+                config.SELECTABLE_TRANSLATION_ENGINE_STATUS[translator_name] = True
+                config.SELECTABLE_LMSTUDIO_MODEL_LIST = model.getTranslatorLMStudioModelList()
+                self.run(200, self.run_mapping["selectable_lmstudio_model_list"], config.SELECTABLE_LMSTUDIO_MODEL_LIST)
+                if config.SELECTED_LMSTUDIO_MODEL not in config.SELECTABLE_LMSTUDIO_MODEL_LIST:
+                    config.SELECTED_LMSTUDIO_MODEL = config.SELECTABLE_LMSTUDIO_MODEL_LIST[0]
+                    self.run(200, self.run_mapping["selected_lmstudio_model"], config.SELECTED_LMSTUDIO_MODEL)
+                model.updateTranslatorLMStudioClient()
+                self.updateTranslationEngineAndEngineList()
+                response = {"status":200, "result":True}
+            else:
+                response = {
+                    "status":400,
+                    "result":{
+                        "message":"Cannot connect to LMStudio server",
+                        "data": False
+                    }
+                }
+        except Exception as e:
+            errorLogging()
+            response = {
+                "status":400,
+                "result":{
+                    "message":f"Error {e}",
+                    "data": False
+                }
+            }
+        return response
+
     def getTranslatorLMStudioURL(self, *args, **kwargs) -> dict:
         return {"status":200, "result":config.LMSTUDIO_URL}
 
     def setTranslatorLMStudioURL(self, data, *args, **kwargs) -> dict:
         printLog("Set Translator LMStudio URL", data)
+        translator_name = "LMStudio"
         try:
             data = str(data)
             result = model.authenticationTranslatorLMStudio(base_url=data)
             if result is True:
                 config.LMSTUDIO_URL = data
+                config.SELECTABLE_TRANSLATION_ENGINE_STATUS[translator_name] = True
+                config.SELECTABLE_LMSTUDIO_MODEL_LIST = model.getTranslatorLMStudioModelList()
+                self.run(200, self.run_mapping["selectable_lmstudio_model_list"], config.SELECTABLE_LMSTUDIO_MODEL_LIST)
+                if config.SELECTED_LMSTUDIO_MODEL not in config.SELECTABLE_LMSTUDIO_MODEL_LIST:
+                    config.SELECTED_LMSTUDIO_MODEL = config.SELECTABLE_LMSTUDIO_MODEL_LIST[0]
+                    self.run(200, self.run_mapping["selected_lmstudio_model"], config.SELECTED_LMSTUDIO_MODEL)
+                model.updateTranslatorLMStudioClient()
+                self.updateTranslationEngineAndEngineList()
                 response = {"status":200, "result":config.LMSTUDIO_URL}
             else:
                 response = {
@@ -1943,9 +1986,18 @@ class Controller:
 
     def checkTranslatorOllamaConnection(self, *args, **kwargs) -> dict:
         printLog("Check Translator Ollama Connection")
+        translator_name = "Ollama"
         try:
             result = model.authenticationTranslatorOllama()
             if result is True:
+                config.SELECTABLE_TRANSLATION_ENGINE_STATUS[translator_name] = True
+                config.SELECTABLE_OLLAMA_MODEL_LIST = model.getTranslatorOllamaModelList()
+                self.run(200, self.run_mapping["selectable_ollama_model_list"], config.SELECTABLE_OLLAMA_MODEL_LIST)
+                if config.SELECTED_OLLAMA_MODEL not in config.SELECTABLE_OLLAMA_MODEL_LIST:
+                    config.SELECTED_OLLAMA_MODEL = config.SELECTABLE_OLLAMA_MODEL_LIST[0]
+                    self.run(200, self.run_mapping["selected_ollama_model"], config.SELECTED_OLLAMA_MODEL)
+                model.updateTranslatorOllamaClient()
+                self.updateTranslationEngineAndEngineList()
                 response = {"status":200, "result":True}
             else:
                 response = {
diff --git a/src-python/mainloop.py b/src-python/mainloop.py
index 4e77104b..21e194bc 100644
--- a/src-python/mainloop.py
+++ b/src-python/mainloop.py
@@ -206,6 +206,7 @@ mapping = {
     "/set/data/openai_auth_key": {"status": True, "variable":controller.setOpenAIAuthKey},
     "/delete/data/openai_auth_key": {"status": True, "variable":controller.delOpenAIAuthKey},
 
+    "/get/data/lmstudio_connection": {"status": True, "variable":controller.checkTranslatorLMStudioConnection},
     "/get/data/lmstudio_model_list": {"status": True, "variable":controller.getTranslatorLStudioModelList},
     "/get/data/lmstudio_model": {"status": True, "variable":controller.getTranslatorLMStudioModel},
     "/set/data/lmstudio_model": {"status": True, "variable":controller.setTranslatorLMStudioModel},
diff --git a/src-python/models/translation/translation_lmstudio.py b/src-python/models/translation/translation_lmstudio.py
index 34319075..7751dc16 100644
--- a/src-python/models/translation/translation_lmstudio.py
+++ b/src-python/models/translation/translation_lmstudio.py
@@ -25,11 +25,15 @@ def _authentication_check(api_key: str, base_url: str | None = None) -> bool:
 def _get_available_text_models(api_key: str, base_url: str | None = None) -> list[str]:
     """Extract the list of available text models from the LM Studio.
     """
-    client = OpenAI(api_key=api_key, base_url=base_url)
-    res = client.models.list()
-    allowed_models = []
+    try:
+        client = OpenAI(api_key=api_key, base_url=base_url)
+        res = client.models.list()
+        models = res.data
+    except Exception:
+        models = []
 
-    for model in res.data:
+    allowed_models = []
+    for model in models:
         allowed_models.append(model.id)
 
     allowed_models.sort()
diff --git a/src-python/models/translation/translation_ollama.py b/src-python/models/translation/translation_ollama.py
index 2d56aaee..6dd1f2fb 100644
--- a/src-python/models/translation/translation_ollama.py
+++ b/src-python/models/translation/translation_ollama.py
@@ -26,8 +26,11 @@ def _authentication_check(base_url: str | None = None) -> bool:
 def _get_available_text_models(base_url: str | None = None) -> list[str]:
     """Extract available text models from Ollama.
     """
-    response = requests.get(f"{base_url}/api/tags")
-    models = response.json()["models"]
+    try:
+        response = requests.get(f"{base_url}/api/tags")
+        models = response.json()["models"]
+    except Exception:
+        models = []
 
     allowed_models = []
     for model in models: