diff --git a/Dockerfile b/Dockerfile
index 74850bc..310e0bf 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -32,6 +32,7 @@ RUN set -eux; \
 VOLUME /app/data
 FROM alpine
 WORKDIR /app
+RUN apk add --no-cache tzdata
 COPY --from=builder /go/rustdesk-api/release /app/
 
 EXPOSE 21114
diff --git a/README.md b/README.md
index e962761..9d1f760 100644
--- a/README.md
+++ b/README.md
@@ -17,14 +17,14 @@
 
 1. PC客户端使用的是 ***1.3.0***，经测试 ***1.2.6+*** 都可以
 2. server端必须指定key，不能用自带的生成的key,否则可能链接不上或者超时
-   
+
    ```bash
    hbbs -r <relay-server-ip[:port]> -k <key>
    hbbr -k <key>
    ```
-   
+
    比如
-   
+
    ```bash
    hbbs -r <relay-server-ip[:port]> -k abc1234567
    hbbr -k abc1234567
@@ -70,7 +70,8 @@
    ![web_admin_oauth](docs/web_admin_oauth.png)
     - `github oauth app`在`Settings`->`Developer settings`->`OAuth Apps`->`New OAuth App`
       中创建,地址 [https://github.com/settings/developers](https://github.com/settings/developers)
-    - `Authorization callback URL`填写`http://<your server[:port]>/api/oauth/callback`，比如`http://127.0.0.1:21114/api/oauth/callback`
+    - `Authorization callback URL`填写`http://<your server[:port]>/api/oauth/callback`
+      ，比如`http://127.0.0.1:21114/api/oauth/callback`
 
 ### **Web Client**:
 
@@ -118,6 +119,7 @@ rustdesk:
 
 | 变量名                                 | 说明                                   | 示例                          |
 |:------------------------------------|:-------------------------------------|-----------------------------|
+| TZ                                  | 时区                                   | Asia/Shanghai               |
 | -----GIN配置-----                     | ----------                           | ----------                  |
 | RUSTDESK_API_GIN_TRUST_PROXY        | 信任的代理IP列表，以`,`分割，默认信任所有              | 192.168.1.2,192.168.1.3     |
 | -----------GORM配置------------------ | ------------------------------------ | --------------------------- |
diff --git a/go.mod b/go.mod
index 0e074bc..ccde1dd 100644
--- a/go.mod
+++ b/go.mod
@@ -17,6 +17,7 @@ require (
 	github.com/swaggo/files v1.0.1
 	github.com/swaggo/gin-swagger v1.6.0
 	github.com/swaggo/swag v1.16.3
+	golang.org/x/oauth2 v0.23.0
 	gorm.io/driver/mysql v1.5.7
 	gorm.io/driver/sqlite v1.5.6
 	gorm.io/gorm v1.25.7
@@ -64,7 +65,6 @@ require (
 	golang.org/x/arch v0.0.0-20210923205945-b76863e36670 // indirect
 	golang.org/x/crypto v0.23.0 // indirect
 	golang.org/x/net v0.21.0 // indirect
-	golang.org/x/oauth2 v0.23.0 // indirect
 	golang.org/x/sys v0.25.0 // indirect
 	golang.org/x/text v0.15.0 // indirect
 	golang.org/x/tools v0.7.0 // indirect