diff --git a/Dockerfile b/Dockerfile
index 4c38c9b..e3ca971 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,12 +2,15 @@ FROM node:lts-alpine
 
 WORKDIR /app
 
-# 设置时区
-RUN ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime
-RUN echo 'Asia/Shanghai' >/etc/timezone
+# 安装tzdata,默认的alpine基础镜像不包含时区组件，安装后可通过TZ环境变量配置时区
+RUN apk add --no-cache tzdata
+
+# 设置时区为中国东八区，这里的配置可以被docker-compose.yml或docker run时指定的时区覆盖
+ENV TZ="Asia/Shanghai"
 
 # 如果各公司有自己的私有源，可以替换registry地址,如使用官方源注释下一行
 RUN npm set registry https://registry.npm.taobao.org
+
 # 安装开发期依赖
 COPY package.json ./package.json
 RUN npm install
diff --git a/typings/app/index.d.ts b/typings/app/index.d.ts
deleted file mode 100644
index 69543bc..0000000
--- a/typings/app/index.d.ts
+++ /dev/null
@@ -1,7 +0,0 @@
-// This file is created by egg-ts-helper@1.25.8
-// Do not modify this file!!!!!!!!!
-
-import 'egg';
-import '@midwayjs/web';
-export * from 'egg';
-export as namespace Egg;
diff --git a/typings/config/index.d.ts b/typings/config/index.d.ts
deleted file mode 100644
index fdc863b..0000000
--- a/typings/config/index.d.ts
+++ /dev/null
@@ -1,36 +0,0 @@
-// This file is created by egg-ts-helper@1.25.8
-// Do not modify this file!!!!!!!!!
-
-import '@midwayjs/web';
-import 'egg';
-import 'egg-onerror';
-import 'egg-session';
-import 'egg-i18n';
-import 'egg-multipart';
-import 'egg-security';
-import 'egg-logrotator';
-import 'egg-schedule';
-import 'egg-static';
-import 'egg-jsonp';
-import 'egg-view';
-import 'midway-schedule';
-import 'egg-view-nunjucks';
-import { EggPluginItem } from 'egg';
-declare module 'egg' {
-  interface EggPlugin {
-    onerror?: EggPluginItem;
-    session?: EggPluginItem;
-    i18n?: EggPluginItem;
-    watcher?: EggPluginItem;
-    multipart?: EggPluginItem;
-    security?: EggPluginItem;
-    development?: EggPluginItem;
-    logrotator?: EggPluginItem;
-    schedule?: EggPluginItem;
-    static?: EggPluginItem;
-    jsonp?: EggPluginItem;
-    view?: EggPluginItem;
-    schedulePlus?: EggPluginItem;
-    nunjucks?: EggPluginItem;
-  }
-}
\ No newline at end of file
diff --git a/typings/config/plugin.d.ts b/typings/config/plugin.d.ts
deleted file mode 100644
index 7722ddf..0000000
--- a/typings/config/plugin.d.ts
+++ /dev/null
@@ -1,35 +0,0 @@
-// This file is created by egg-ts-helper@1.25.8
-// Do not modify this file!!!!!!!!!
-
-import 'egg';
-import 'egg-onerror';
-import 'egg-session';
-import 'egg-i18n';
-import 'egg-multipart';
-import 'egg-security';
-import 'egg-logrotator';
-import 'egg-schedule';
-import 'egg-static';
-import 'egg-jsonp';
-import 'egg-view';
-import 'midway-schedule';
-import 'egg-view-nunjucks';
-import { EggPluginItem } from 'egg';
-declare module 'egg' {
-  interface EggPlugin {
-    onerror?: EggPluginItem;
-    session?: EggPluginItem;
-    i18n?: EggPluginItem;
-    watcher?: EggPluginItem;
-    multipart?: EggPluginItem;
-    security?: EggPluginItem;
-    development?: EggPluginItem;
-    logrotator?: EggPluginItem;
-    schedule?: EggPluginItem;
-    static?: EggPluginItem;
-    jsonp?: EggPluginItem;
-    view?: EggPluginItem;
-    schedulePlus?: EggPluginItem;
-    nunjucks?: EggPluginItem;
-  }
-}
\ No newline at end of file