diff --git a/package.json b/package.json
index 223e03e..6db04ab 100644
--- a/package.json
+++ b/package.json
@@ -669,7 +669,7 @@
       "default": false
     },
     {
-      "title": "Display Order",
+      "title": "Service List Order",
       "name": "servicesOrder",
       "type": "textfield",
       "required": false,
@@ -690,8 +690,8 @@
       "name": "openAIAPIURL",
       "type": "textfield",
       "required": false,
-      "description": "Your OpenAI API URL",
-      "default": "https://api.openai.com/v1/chat/completions"
+      "description": "Custom OpenAI API URL",
+      "placeholder": "https://api.openai.com/v1/chat/completions"
     },
     {
       "title": "DeepL Auth Key",
@@ -701,6 +701,15 @@
       "description": "Your DeepL Auth Key",
       "default": ""
     },
+    {
+      "title": "DeepL API URL",
+      "name": "deepLEndpoint",
+      "type": "textfield",
+      "required": false,
+      "description": "Custom DeepL API URL",
+      "placeholder": "https://api-free.deepl.com/v2/translate",
+      "default": ""
+    },
     {
       "title": "Baidu App ID",
       "name": "baiduAppId",
diff --git a/src/preferences.ts b/src/preferences.ts
index 1ccfc2f..5706006 100644
--- a/src/preferences.ts
+++ b/src/preferences.ts
@@ -40,6 +40,7 @@ export interface MyPreferences {
 
   enableDeepLTranslate: boolean;
   deepLAuthKey: string;
+  deepLEndpoint: string;
 
   enableGoogleTranslate: boolean;
 
@@ -74,6 +75,7 @@ export interface MyPreferences {
  */
 export class AppKeyStore {
   static deepLAuthKey = myPreferences.deepLAuthKey.trim();
+  static deepLEndpoint = myPreferences.deepLEndpoint.trim();
 
   // This is a official test token from https://open.caiyunapp.com/%E4%BA%94%E5%88%86%E9%92%9F%E5%AD%A6%E4%BC%9A%E5%BD%A9%E4%BA%91%E5%B0%8F%E8%AF%91_API
   private static defaultEncryptedCaiyunToken = "U2FsdGVkX1+RTgfMmgZgkD1Phn4FyvzMiMed5BvxnjoqS8QIJ/AFjUJdfC7OqjU3";
@@ -95,9 +97,8 @@ export class AppKeyStore {
   static volcanoSecretId = myPreferences.volcanoAccessKeyId.trim();
   static volcanoSecretKey = myPreferences.volcanoAccessKeySecret.trim();
 
-  private static defaultOpenAIAPIURL = "https://api.openai.com/v1/chat/completions";
   static openAIAPIKey = myPreferences.openAIAPIKey.trim();
-  static openAIAPIURL = myPreferences.openAIAPIURL.trim() || this.defaultOpenAIAPIURL;
+  static openAIAPIURL = myPreferences.openAIAPIURL.trim() || "https://api.openai.com/v1/chat/completions";
 }
 
 // Test AES online: https://www.sojson.com/encrypt_aes.html
diff --git a/src/translation/deepL.ts b/src/translation/deepL.ts
index a7b5467..6f6e03a 100644
--- a/src/translation/deepL.ts
+++ b/src/translation/deepL.ts
@@ -56,9 +56,15 @@ export async function requestDeepLTranslate(queryWordInfo: QueryWordInfo): Promi
   }
 
   // * deepL api free and deepL pro api use different url host.
-  const url = deepLAuthKey.endsWith(":fx")
+  let url = deepLAuthKey.endsWith(":fx")
     ? "https://api-free.deepl.com/v2/translate"
     : "https://api.deepl.com/v2/translate";
+
+  const deepLEndpoint = AppKeyStore.deepLEndpoint;
+  if (deepLEndpoint.length > 0) {
+    url = deepLEndpoint;
+  }
+
   const params = {
     auth_key: deepLAuthKey,
     text: word,