diff --git a/doc/en/PLATFORM.md b/doc/en/PLATFORM.md
index 86c6ded4..76a3b23c 100644
--- a/doc/en/PLATFORM.md
+++ b/doc/en/PLATFORM.md
@@ -13,8 +13,8 @@ See details at [Vercel](../../adapter/vercel). It is free, does not require a do
 
 ### 3. [Render](https://render.com/)
 
-See [Render](../../adapter/render) for details. /... /adapter/render). Free, no domain name, no server required. Some development skills are required.
+See [Render](../../adapter/render) for details.. Free, no domain name, no server required. Some development skills are required.
 
 ### 4. Local
 
-See [Local](../../adapter/local) for details. /... /adapter/local/README.md). For local deployment method, you need to configure local development environment.
\ No newline at end of file
+See [Local](../../adapter/local) for details. For local deployment method, you need to configure local development environment.
\ No newline at end of file
diff --git a/src/env.js b/src/env.js
index 62ee19dc..f77133da 100644
--- a/src/env.js
+++ b/src/env.js
@@ -1,5 +1,8 @@
-import './i18n/type.js'
+import './i18n/type.js';
 
+/**
+ * @class Environment
+ */
 class Environment {
   // OpenAI API Key
   API_KEY = [];
diff --git a/src/i18n/index.js b/src/i18n/index.js
index e45438b9..ff50655b 100644
--- a/src/i18n/index.js
+++ b/src/i18n/index.js
@@ -2,10 +2,12 @@
 import zhHans from './zh-hans.js';
 import zhHant from './zh-hant.js';
 import en from './en.js';
-import './type.js'
+import './type.js';
 
 /**
  * @type {I18nGenerator}
+ * @param {string} lang
+ * @return {I18n}
  */
 export default function i18n(lang) {
   switch (lang.toLowerCase()) {
diff --git a/src/i18n/type.js b/src/i18n/type.js
index abd353ea..e7fa99a4 100644
--- a/src/i18n/type.js
+++ b/src/i18n/type.js
@@ -65,4 +65,4 @@
  * @callback I18nGenerator
  * @param {string} lang
  * @return {I18n}
- */
\ No newline at end of file
+ */