diff --git a/service/.env.example b/service/.env.example
index a7a7747..ac8e9d6 100644
--- a/service/.env.example
+++ b/service/.env.example
@@ -16,6 +16,9 @@ API_REVERSE_PROXY=
 # timeout
 TIMEOUT_MS=100000
 
+# Rate Limit
+MAX_REQUEST_PER_HOUR=
+
 # Secret key
 AUTH_SECRET_KEY=
 
@@ -28,5 +31,3 @@ SOCKS_PROXY_PORT=
 # HTTPS PROXY
 HTTPS_PROXY=
 
-# Rate Limit
-MAX_REQUEST_PER_HOUR=
diff --git a/service/package.json b/service/package.json
index e2309d6..4089b9e 100644
--- a/service/package.json
+++ b/service/package.json
@@ -25,7 +25,7 @@
   },
   "dependencies": {
     "axios": "^1.3.4",
-    "chatgpt": "^5.0.10",
+    "chatgpt": "^5.1.2",
     "dotenv": "^16.0.3",
     "esno": "^0.16.3",
     "express": "^4.18.2",
diff --git a/service/pnpm-lock.yaml b/service/pnpm-lock.yaml
index ddbfb44..04e84d3 100644
--- a/service/pnpm-lock.yaml
+++ b/service/pnpm-lock.yaml
@@ -5,7 +5,7 @@ specifiers:
   '@types/express': ^4.17.17
   '@types/node': ^18.14.6
   axios: ^1.3.4
-  chatgpt: ^5.0.10
+  chatgpt: ^5.1.2
   dotenv: ^16.0.3
   eslint: ^8.35.0
   esno: ^0.16.3
@@ -21,7 +21,7 @@ specifiers:
 
 dependencies:
   axios: 1.3.4
-  chatgpt: 5.0.10
+  chatgpt: 5.1.2
   dotenv: 16.0.3
   esno: 0.16.3
   express: 4.18.2
@@ -156,8 +156,8 @@ packages:
       chalk: 2.4.2
       js-tokens: 4.0.0
 
-  /@dqbd/tiktoken/0.4.0:
-    resolution: {integrity: sha512-iaHgmwKAOqowBFZKxelyszoeGLoNw62eOULcmyme1aA1Ymr3JgYl0V7jwpuUm7fksalycZajx3loFn9TRUaviw==}
+  /@dqbd/tiktoken/1.0.2:
+    resolution: {integrity: sha512-AjGTBRWsMoVmVeN55NLyupyM8TNamOUBl6tj5t/leLDVup3CFGO9tVagNL1jf3GyZLkWZSTmYVbPQ/M2LEcNzw==}
     dev: false
 
   /@esbuild-kit/cjs-loader/2.4.2:
@@ -922,12 +922,12 @@ packages:
     resolution: {integrity: sha512-mKKUkUbhPpQlCOfIuZkvSEgktjPFIsZKRRbC6KWVEMvlzblj3i3asQv5ODsrwt0N3pHAEvjP8KTQPHkp0+6jOg==}
     dev: true
 
-  /chatgpt/5.0.10:
-    resolution: {integrity: sha512-R3vtPlhCapFLkDXED0Cnt1DBcOZAXygr0M5U5kbSI0Fwm4uDQmc7qoIOnr17rd8eaa0JO/UDOevJdEWvd079qA==}
+  /chatgpt/5.1.2:
+    resolution: {integrity: sha512-b/NnDQHDOpouK+gmhUCKcKuvnKEh+DotwXlP6Qgw1mqmkcfVl9Wt3/3noT8jbGJpMEpFOfzexXn5Rehpea1N0w==}
     engines: {node: '>=14'}
     hasBin: true
     dependencies:
-      '@dqbd/tiktoken': 0.4.0
+      '@dqbd/tiktoken': 1.0.2
       cac: 6.7.14
       conf: 11.0.1
       eventsource-parser: 0.0.5
diff --git a/service/src/chatgpt/index.ts b/service/src/chatgpt/index.ts
index 772e4df..3ade78d 100644
--- a/service/src/chatgpt/index.ts
+++ b/service/src/chatgpt/index.ts
@@ -35,6 +35,7 @@ let api: ChatGPTAPI | ChatGPTUnofficialProxyAPI
   // More Info: https://github.com/transitive-bullshit/chatgpt-api
 
   if (isNotEmptyString(process.env.OPENAI_API_KEY)) {
+    const OPENAI_API_BASE_URL = process.env.OPENAI_API_BASE_URL
     const OPENAI_API_MODEL = process.env.OPENAI_API_MODEL
     const model = isNotEmptyString(OPENAI_API_MODEL) ? OPENAI_API_MODEL : 'gpt-3.5-turbo'
 
@@ -44,8 +45,8 @@ let api: ChatGPTAPI | ChatGPTUnofficialProxyAPI
       debug: true,
     }
 
-    if (isNotEmptyString(process.env.OPENAI_API_BASE_URL))
-      options.apiBaseUrl = process.env.OPENAI_API_BASE_URL
+    if (isNotEmptyString(OPENAI_API_BASE_URL))
+      options.apiBaseUrl = `${OPENAI_API_BASE_URL}/v1`
 
     setupProxy(options)