diff --git a/README.md b/README.md
index a6788ce..b3295b3 100644
--- a/README.md
+++ b/README.md
@@ -141,9 +141,11 @@ The secret format is `accessKeyId#accessKeySecret`
 
 **Aliyun Translate**
 Apply [here](https://www.aliyun.com/product/ai/base_alimt).
-The secret format is `accessKeyId#accessKeySecret`.
+The secret format is `accessKeyId#accessKeySecret#endpoint(optional)`.
 
-> [Chinere Document](https://help.aliyun.com/document_detail/158269.html)
+> The endpoint is the region of the service, default `https://mt.aliyuncs.com`. For `cn-hangzhou`, the endpoint is `mt.cn-hangzhou.aliyuncs.com`. See also [here](https://help.aliyun.com/zh/machine-translation/developer-reference/api-alimt-2018-10-12-endpoint?spm=a2c4g.11186623.help-menu-30396.d_4_1_0.6c702fa7WlNkX1).
+
+> [Chinese Document](https://help.aliyun.com/document_detail/158269.html)
 
 **Baidu Translate**  
 Apply [here](https://fanyi-api.baidu.com/product/11).  
diff --git a/src/modules/services/aliyun.ts b/src/modules/services/aliyun.ts
index 4bbd121..66e7772 100644
--- a/src/modules/services/aliyun.ts
+++ b/src/modules/services/aliyun.ts
@@ -5,6 +5,7 @@ export default <TranslateTaskProcessor>async function (data) {
   const params = data.secret.split("#");
   const accessKeyId = params[0];
   const accessKeySecret = params[1];
+  const endpoint = params[2] || "https://mt.aliyuncs.com/";
 
   function languageCode(str: string) {
     str = str.toLowerCase();
@@ -35,7 +36,7 @@ export default <TranslateTaskProcessor>async function (data) {
     await hmacSha1Digest(stringToSign, `${accessKeySecret}&`),
   );
 
-  const xhr = await Zotero.HTTP.request("POST", "https://mt.aliyuncs.com/", {
+  const xhr = await Zotero.HTTP.request("POST", endpoint, {
     headers: {
       "Content-Type": "application/x-www-form-urlencoded",
     },