diff --git a/src/app/settings/llm/OpenAI/index.tsx b/src/app/settings/llm/OpenAI/index.tsx
index 8c452276285b..b67ec5d96f3c 100644
--- a/src/app/settings/llm/OpenAI/index.tsx
+++ b/src/app/settings/llm/OpenAI/index.tsx
@@ -4,12 +4,7 @@ import { memo } from 'react';
 import ProviderConfig from '../components/ProviderConfig';
 
 const OpenAIProvider = memo(() => (
-  <ProviderConfig
-    canDeactivate={false}
-    provider={'openai'}
-    showEndpoint
-    title={<OpenAI.Combine size={24} />}
-  />
+  <ProviderConfig provider={'openai'} showEndpoint title={<OpenAI.Combine size={24} />} />
 ));
 
 export default OpenAIProvider;
diff --git a/src/config/server/provider.ts b/src/config/server/provider.ts
index 5ac45109faa1..2888622e2315 100644
--- a/src/config/server/provider.ts
+++ b/src/config/server/provider.ts
@@ -83,6 +83,10 @@ declare global {
        * @deprecated
        */
       OLLAMA_CUSTOM_MODELS?: string;
+      /**
+       * @deprecated
+       */
+      OPENROUTER_CUSTOM_MODELS?: string;
     }
   }
 }
@@ -119,6 +123,24 @@ export const getProviderConfig = () => {
     regions = process.env.OPENAI_FUNCTION_REGIONS.split(',');
   }
 
+  if (process.env.CUSTOM_MODELS) {
+    console.warn(
+      'DEPRECATED: `CUSTOM_MODELS` is deprecated, please use `OPENAI_MODEL_LIST` instead, we will remove `CUSTOM_MODELS` in the LobeChat 1.0',
+    );
+  }
+
+  if (process.env.OLLAMA_CUSTOM_MODELS) {
+    console.warn(
+      'DEPRECATED: `OLLAMA_CUSTOM_MODELS` is deprecated, please use `OLLAMA_MODEL_LIST` instead, we will remove `OLLAMA_CUSTOM_MODELS` in the LobeChat 1.0',
+    );
+  }
+
+  if (process.env.OPENROUTER_CUSTOM_MODELS) {
+    console.warn(
+      'DEPRECATED: `OPENROUTER_CUSTOM_MODELS` is deprecated, please use `OPENROUTER_MODEL_LIST` instead, we will remove `OPENROUTER_CUSTOM_MODELS` in the LobeChat 1.0',
+    );
+  }
+
   return {
     API_KEY_SELECT_MODE: process.env.API_KEY_SELECT_MODE,
 
diff --git a/src/const/settings/index.ts b/src/const/settings/index.ts
index 1f9410afd2ca..3a3791e99a87 100644
--- a/src/const/settings/index.ts
+++ b/src/const/settings/index.ts
@@ -108,7 +108,7 @@ export const DEFAULT_LLM_CONFIG: GlobalLLMConfig = {
   },
   openai: {
     apiKey: '',
-    enabled: false,
+    enabled: true,
     enabledModels: filterEnabledModels(OpenAIProvider),
   },
   openrouter: {
diff --git a/src/store/global/slices/settings/selectors/modelConfig.ts b/src/store/global/slices/settings/selectors/modelConfig.ts
index 0a9d916e5511..40b5da5b4068 100644
--- a/src/store/global/slices/settings/selectors/modelConfig.ts
+++ b/src/store/global/slices/settings/selectors/modelConfig.ts
@@ -14,13 +14,8 @@ const providerConfig = (provider: string) => (s: GlobalStore) =>
     | GeneralModelProviderConfig
     | undefined;
 
-const providerEnabled = (provider: GlobalLLMProviderKey) => (s: GlobalStore) => {
-  // TODO: we need to migrate the 'openAI' key to 'openai'
-  // @ts-ignore
-  if (provider === 'openai') return true;
-
-  return currentSettings(s).languageModel[provider]?.enabled || false;
-};
+const providerEnabled = (provider: GlobalLLMProviderKey) => (s: GlobalStore) =>
+  currentSettings(s).languageModel[provider]?.enabled || false;
 
 const providerEnableModels = (provider: string) => (s: GlobalStore) => {
   if (!providerConfig(provider)(s)?.enabledModels) return;
diff --git a/src/store/global/slices/settings/selectors/modelProvider.ts b/src/store/global/slices/settings/selectors/modelProvider.ts
index a94e14cbef93..e1ed88d9e05c 100644
--- a/src/store/global/slices/settings/selectors/modelProvider.ts
+++ b/src/store/global/slices/settings/selectors/modelProvider.ts
@@ -43,6 +43,7 @@ const serverProviderModelCards =
  * define all the model list of providers
  */
 const providerModelList = (s: GlobalStore): ModelProviderCard[] => {
+  // if the chat model is config in the server side, use the server side model cards
   const openaiChatModels = serverProviderModelCards('openai')(s);
   const ollamaChatModels = serverProviderModelCards('ollama')(s);
   const openrouterChatModels = serverProviderModelCards('openrouter')(s);