diff --git a/src-python/controller.py b/src-python/controller.py
index c33ffe54..f12afec9 100644
--- a/src-python/controller.py
+++ b/src-python/controller.py
@@ -1625,6 +1625,7 @@ class Controller:
                     self.run(200, self.run_mapping["selectable_plamo_model_list"], config.SELECTABLE_PLAMO_MODEL_LIST)
                     if config.SELECTED_PLAMO_MODEL not in config.SELECTABLE_PLAMO_MODEL_LIST:
                         config.SELECTED_PLAMO_MODEL = config.SELECTABLE_PLAMO_MODEL_LIST[0]
+                        model.setTranslatorPlamoModel(model=config.SELECTED_PLAMO_MODEL)
                         self.run(200, self.run_mapping["selected_plamo_model"], config.SELECTED_PLAMO_MODEL)
                     model.updateTranslatorPlamoClient()
                     self.updateTranslationEngineAndEngineList()
@@ -1678,6 +1679,7 @@ class Controller:
             result = model.setTranslatorPlamoModel(model=data)
             if result is True:
                 config.SELECTED_PLAMO_MODEL = data
+                model.setTranslatorPlamoModel(model=config.SELECTED_PLAMO_MODEL)
                 model.updateTranslatorPlamoClient()
                 response = {"status":200, "result":config.SELECTED_PLAMO_MODEL}
             else:
@@ -1719,6 +1721,7 @@ class Controller:
                     self.run(200, self.run_mapping["selectable_gemini_model_list"], config.SELECTABLE_GEMINI_MODEL_LIST)
                     if config.SELECTED_GEMINI_MODEL not in config.SELECTABLE_GEMINI_MODEL_LIST:
                         config.SELECTED_GEMINI_MODEL = config.SELECTABLE_GEMINI_MODEL_LIST[0]
+                        model.setTranslatorGeminiModel(model=config.SELECTED_GEMINI_MODEL)
                         self.run(200, self.run_mapping["selected_gemini_model"], config.SELECTED_GEMINI_MODEL)
                     model.updateTranslatorGeminiClient()
                     self.updateTranslationEngineAndEngineList()
@@ -1772,6 +1775,7 @@ class Controller:
             result = model.setTranslatorGeminiModel(model=data)
             if result is True:
                 config.SELECTED_GEMINI_MODEL = data
+                model.setTranslatorGeminiModel(model=config.SELECTED_GEMINI_MODEL)
                 model.updateTranslatorGeminiClient()
                 response = {"status":200, "result":config.SELECTED_GEMINI_MODEL}
             else:
@@ -1812,6 +1816,7 @@ class Controller:
                 self.run(200, self.run_mapping["selectable_openai_model_list"], config.SELECTABLE_OPENAI_MODEL_LIST)
                 if config.SELECTED_OPENAI_MODEL not in config.SELECTABLE_OPENAI_MODEL_LIST:
                     config.SELECTED_OPENAI_MODEL = config.SELECTABLE_OPENAI_MODEL_LIST[0]
+                    model.setTranslatorOpenAIModel(model=config.SELECTED_OPENAI_MODEL)
                     self.run(200, self.run_mapping["selected_openai_model"], config.SELECTED_OPENAI_MODEL)
                 model.updateTranslatorOpenAIClient()
                 self.updateTranslationEngineAndEngineList()
@@ -1857,6 +1862,8 @@ class Controller:
             result = model.setTranslatorOpenAIModel(model=data)
             if result is True:
                 config.SELECTED_OPENAI_MODEL = data
+                model.setTranslatorOpenAIModel(model=config.SELECTED_OPENAI_MODEL)
+                model.updateTranslatorOpenAIClient()
                 response = {"status":200, "result":config.SELECTED_OPENAI_MODEL}
             else:
                 response = {
@@ -1888,6 +1895,7 @@ class Controller:
                 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]
+                    model.setTranslatorLMStudioModel(model=config.SELECTED_LMSTUDIO_MODEL)
                     self.run(200, self.run_mapping["selected_lmstudio_model"], config.SELECTED_LMSTUDIO_MODEL)
                 model.updateTranslatorLMStudioClient()
                 self.updateTranslationEngineAndEngineList()
@@ -1927,6 +1935,7 @@ class Controller:
                 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]
+                    model.setTranslatorLMStudioModel(model=config.SELECTED_LMSTUDIO_MODEL)
                     self.run(200, self.run_mapping["selected_lmstudio_model"], config.SELECTED_LMSTUDIO_MODEL)
                 model.updateTranslatorLMStudioClient()
                 self.updateTranslationEngineAndEngineList()
@@ -1964,6 +1973,8 @@ class Controller:
             result = model.setTranslatorLMStudioModel(model=data)
             if result is True:
                 config.SELECTED_LMSTUDIO_MODEL = data
+                model.setTranslatorLMStudioModel(model=config.SELECTED_LMSTUDIO_MODEL)
+                model.updateTranslatorLMStudioClient()
                 response = {"status":200, "result":config.SELECTED_LMSTUDIO_MODEL}
             else:
                 response = {
@@ -1995,6 +2006,7 @@ class Controller:
                 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]
+                    model.setTranslatorOllamaModel(model=config.SELECTED_OLLAMA_MODEL)
                     self.run(200, self.run_mapping["selected_ollama_model"], config.SELECTED_OLLAMA_MODEL)
                 model.updateTranslatorOllamaClient()
                 self.updateTranslationEngineAndEngineList()
@@ -2032,6 +2044,8 @@ class Controller:
             result = model.setTranslatorOllamaModel(model=data)
             if result is True:
                 config.SELECTED_OLLAMA_MODEL = data
+                model.setTranslatorOllamaModel(model=config.SELECTED_OLLAMA_MODEL)
+                model.updateTranslatorOllamaClient()
                 response = {"status":200, "result":config.SELECTED_OLLAMA_MODEL}
             else:
                 response = {
diff --git a/src-python/mainloop.py b/src-python/mainloop.py
index 21e194bc..aa0cc386 100644
--- a/src-python/mainloop.py
+++ b/src-python/mainloop.py
@@ -206,18 +206,19 @@ 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},
+    "/run/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},
     "/get/data/lmstudio_url": {"status": True, "variable":controller.getTranslatorLMStudioURL},
     "/set/data/lmstudio_url": {"status": True, "variable":controller.setTranslatorLMStudioURL},
 
-    "/get/data/ollama_connection": {"status": True, "variable":controller.checkTranslatorOllamaConnection},
+    "/run/ollama_connection": {"status": True, "variable":controller.checkTranslatorOllamaConnection},
     "/get/data/ollama_model_list": {"status": True, "variable":controller.getTranslatorOllamaModelList},
     "/get/data/ollama_model": {"status": True, "variable":controller.getTranslatorOllamaModel},
     "/set/data/ollama_model": {"status": True, "variable":controller.setTranslatorOllamaModel},
 
+    # Transliteration
     "/get/data/convert_message_to_romaji": {"status": True, "variable":controller.getConvertMessageToRomaji},
     "/set/enable/convert_message_to_romaji": {"status": True, "variable":controller.setEnableConvertMessageToRomaji},
     "/set/disable/convert_message_to_romaji": {"status": True, "variable":controller.setDisableConvertMessageToRomaji},
diff --git a/src-python/models/translation/translation_ollama.py b/src-python/models/translation/translation_ollama.py
index 6dd1f2fb..4152c953 100644
--- a/src-python/models/translation/translation_ollama.py
+++ b/src-python/models/translation/translation_ollama.py
@@ -15,7 +15,7 @@ def _authentication_check(base_url: str | None = None) -> bool:
     """Check authentication for Ollama API.
     """
     try:
-        response = requests.get(f"{base_url}/api/ping")
+        response = requests.get(f"{base_url}")
         if response.status_code == 200:
             return True
         else: