diff --git a/Dockerfile b/Dockerfile
index d2275a0..073efdf 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,9 +1,10 @@
-FROM alpine:latest
+FROM alpine:3.23
 
 # set the time zone to Beijing Time in the Eastern 8th Time Zone
+ARG TZ=Asia/Shanghai
 RUN apk add --no-cache tzdata && \
-    cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime && \
-    echo "Asia/Shanghai" > /etc/timezone
+    cp /usr/share/zoneinfo/${TZ} /etc/localtime && \
+    echo "${TZ}" > /etc/timezone
 
 WORKDIR /app
 
diff --git a/README.md b/README.md
index d6f02ef..3f948b3 100644
--- a/README.md
+++ b/README.md
@@ -50,21 +50,21 @@ LINUX DO CDK 是一个为 Linux Do 社区打造的内容分发工具平台，旨
 ## 🛠️ 技术栈
 
 ### 后端
-- **Go 1.24** - 主要开发语言
-- **Gin** - Web 框架
-- **GORM** - ORM 框架
-- **Redis** - 缓存和会话存储
-- **MySQL** - 主数据库
-- **OpenTelemetry** - 可观测性
-- **Swagger** - API 文档
+- **[Go 1.24](https://go.dev/doc)** - 主要开发语言
+- **[Gin](https://github.com/gin-gonic/gin)** - Web 框架
+- **[GORM](https://github.com/go-gorm/gorm)** - ORM 框架
+- **[Redis](https://github.com/redis/redis)** - 缓存和会话存储
+- **[MySQL](https://www.mysql.com)** - 主数据库
+- **[OpenTelemetry](https://opentelemetry.io)** - 可观测性
+- **[Swagger](https://github.com/swaggo/swag)** - API 文档
 
 ### 前端
-- **Next.js 15** - React 框架
-- **React 19** - UI 库
-- **TypeScript** - 类型安全
-- **Tailwind CSS 4** - 样式框架
-- **Shadcn UI** - 组件库
-- **Lucide Icons** - 图标库
+- **[Next.js 15](https://github.com/vercel/next.js)** - React 框架
+- **[React 19](https://github.com/facebook/react)** - UI 库
+- **[TypeScript](https://github.com/microsoft/TypeScript)** - 类型安全
+- **[Tailwind CSS 4](https://github.com/tailwindlabs/tailwindcss)** - 样式框架
+- **[Shadcn UI](https://github.com/shadcn-ui/ui)** - 组件库
+- **[Lucide Icons](https://github.com/lucide-icons/lucide)** - 图标库
 
 ## 📋 环境要求
 
@@ -272,3 +272,7 @@ docker run -d -p 8000:8000 linux-do-cdk
 ## ❤️ 致谢
 
 感谢所有为本项目做出贡献的开发者和 Linux Do 社区的支持！
+
+## 📈 项目趋势
+
+[![Star History Chart](https://api.star-history.com/svg?repos=linux-do/cdk&type=Date)](https://star-history.com/#linux-do/cdk&Date)
diff --git a/config.example.yaml b/config.example.yaml
index 5324f1a..d6656f9 100644
--- a/config.example.yaml
+++ b/config.example.yaml
@@ -18,7 +18,7 @@ app:
 projectApp:
   hidden_threshold: 5 # project hidden threshold
   deduction_per_offense: 5 # deduction per offense
-  # 0-4级创建项目频率限制
+  # rate limit for creating projects for level 0-4
   create_project_rate_limit:
     - interval_seconds: 60
       max_count: 1
@@ -36,6 +36,7 @@ oauth2:
   client_id: "<OAUTH2_CLIENT_ID>"
   client_secret: "<OAUTH2_CLIENT_SECRET>"
   redirect_uri: "<OAUTH2_REDIRECT_URI>"
+  # alternative domain: connect.linuxdo.org
   authorization_endpoint: "https://connect.linux.do/oauth2/authorize"
   token_endpoint: "https://connect.linux.do/oauth2/token"
   user_endpoint: "https://connect.linux.do/api/user"
@@ -66,7 +67,7 @@ clickhouse:
   conn_max_lifetime: 3600
   dial_timeout: 5
 
-# Redis配置
+# Redis config
 redis:
   enabled: true
   host: "127.0.0.1"