diff --git a/README.md b/README.md
index 436b59e..5b2ec7a 100644
--- a/README.md
+++ b/README.md
@@ -118,6 +118,7 @@ When deploying the application, the following environment variables can be set:
 | OPENAI_API_HOST       | `https://api.openai.com`       | The base url, for Azure use `https://<endpoint>.openai.azure.com` |
 | OPENAI_API_TYPE       | `openai`                       | The API type, options are `openai` or `azure`           |
 | OPENAI_API_VERSION    | `2023-03-15-preview`           | Only applicable for Azure OpenAI                        |
+| AZURE_DEPLOYMENT_ID   |                                | Needed when Azure OpenAI, Ref [Azure OpenAI API](https://learn.microsoft.com/zh-cn/azure/cognitive-services/openai/reference#completions)                                |
 | OPENAI_ORGANIZATION   |                                | Your OpenAI organization ID                             |
 | DEFAULT_MODEL         | `gpt-3.5-turbo`                | The default model to use on new conversations, for Azure use `gpt-35-turbo` |
 | DEFAULT_SYSTEM_PROMPT | [see here](utils/app/const.ts) | The default system prompt to use on new conversations   |
diff --git a/utils/app/const.ts b/utils/app/const.ts
index eca6deb..dfdde5e 100644
--- a/utils/app/const.ts
+++ b/utils/app/const.ts
@@ -13,3 +13,6 @@ export const OPENAI_API_VERSION =
 
 export const OPENAI_ORGANIZATION =
   process.env.OPENAI_ORGANIZATION || '';
+
+export const AZURE_DEPLOYMENT_ID =
+  process.env.AZURE_DEPLOYMENT_ID || '';
diff --git a/utils/server/index.ts b/utils/server/index.ts
index bfa5408..41c4bdc 100644
--- a/utils/server/index.ts
+++ b/utils/server/index.ts
@@ -1,7 +1,7 @@
 import { Message } from '@/types/chat';
 import { OpenAIModel } from '@/types/openai';
 
-import { OPENAI_API_HOST, OPENAI_API_TYPE, OPENAI_API_VERSION, OPENAI_ORGANIZATION } from '../app/const';
+import { AZURE_DEPLOYMENT_ID, OPENAI_API_HOST, OPENAI_API_TYPE, OPENAI_API_VERSION, OPENAI_ORGANIZATION } from '../app/const';
 
 import {
   ParsedEvent,
@@ -31,7 +31,7 @@ export const OpenAIStream = async (
 ) => {
   let url = `${OPENAI_API_HOST}/v1/chat/completions`;
   if (OPENAI_API_TYPE === 'azure') {
-    url = `${OPENAI_API_HOST}/openai/deployments/${model.id}/chat/completions?api-version=${OPENAI_API_VERSION}`;
+    url = `${OPENAI_API_HOST}/openai/deployments/${AZURE_DEPLOYMENT_ID}/chat/completions?api-version=${OPENAI_API_VERSION}`;
   }
   const res = await fetch(url, {
     headers: {