diff --git a/app/extend/request.js b/app/extend/request.js
index 9d6cb0012b..eb16eb4858 100644
--- a/app/extend/request.js
+++ b/app/extend/request.js
@@ -139,7 +139,7 @@ module.exports = {
     return false;
   },
 
-  // 关于如何安全地读取 query 参数的讨论
+  // How to read query safely
   // https://github.com/koajs/qs/issues/5
   _customQuery(cacheName, filter) {
     const str = this.querystring;
@@ -178,7 +178,7 @@ module.exports = {
   },
 
   /**
-   * 获取当前请求以 querystring 传递的参数，所有参数值都以 String 类型返回
+   * get params pass by querystring, all value are String type.
    * @member {Object} Request#query
    * @example
    * ```js
@@ -202,7 +202,7 @@ module.exports = {
   },
 
   /**
-   * 获取当前请求以 querystring 传递的参数，所有参数值都以 Array 类型返回，类似 {@link Request#query}
+   * get params pass by querystring, all value are Array type. {@link Request#query}
    * @member {Array} Request#queries
    * @example
    * ```js
diff --git a/lib/loader/agent_worker_loader.js b/lib/loader/agent_worker_loader.js
index 9f564943af..5340567d85 100644
--- a/lib/loader/agent_worker_loader.js
+++ b/lib/loader/agent_worker_loader.js
@@ -1,13 +1,9 @@
-/**
- * AgentWorkerLoader 类，继承 BaseLoader，实现整个应用的加载机制
- */
-
 'use strict';
 
 const EggLoader = require('egg-core').EggLoader;
 
 /**
- * Agent Worker 进程的 Loader，继承 egg-loader
+ * Agent worker process loader
  * @see https://github.com/eggjs/egg-loader
  */
 class AgentWorkerLoader extends EggLoader {
diff --git a/lib/loader/app_worker_loader.js b/lib/loader/app_worker_loader.js
index 9fe7eaee95..ef92b7f00a 100644
--- a/lib/loader/app_worker_loader.js
+++ b/lib/loader/app_worker_loader.js
@@ -3,7 +3,7 @@
 const EggLoader = require('egg-core').EggLoader;
 
 /**
- * App Worker process Loader, will load plugins
+ * App worker process Loader, will load plugins
  * @see https://github.com/eggjs/egg-loader
  */
 class AppWorkerLoader extends EggLoader {