add fix (#3008)

## Versions 

- [x] dev
- [x] 4.x
- [ ] 3.x
- [ ] 2.1
- [ ] 2.0

## Languages

- [x] Chinese
- [x] English

## Docs Checklist

- [ ] Checked by AI
- [ ] Test Cases Built

add from #2926

Author: 0AyanamiRei

docs/admin-manual/cluster-management/time-zone.md

@@ -200,7 +200,7 @@ Doris is currently compatible with importing data in various time zones into Dor
    :::tip
     * In import methods such as Stream Load and Broker Load, the header `timezone` will overwrite the Doris cluster `time_zone`, so it should be consistent during import.
     * In import methods such as Stream Load and Broker Load, the header `timezone` will affect the functions used in import conversion.
-    * If the header `timezone` is not specified when importing, the East Eighth Zone will be used by default.
+    * If the header `timezone` is not specified when importing, defaults to the current cluster time zone.
    :::
 
 **To sum up, the best practice for dealing with time zone issues is:**

i18n/zh-CN/docusaurus-plugin-content-docs/current/admin-manual/cluster-management/time-zone.md

@@ -200,7 +200,7 @@ Doris 目前兼容各时区下的数据向 Doris 中进行导入。而由于 Dor
    :::tip
     * Stream Load、Broker Load 等导入方式中，header `timezone` 会覆盖 Doris 集群 `time_zone`，因此在导入时应当保持一致。
     * Stream Load、Broker Load 等导入方式中，header `timezone` 会影响导入转换中使用的函数。
-    * 如果导入时未指定 header `timezone`，则默认使用东八区。
+    * 如果导入时未指定 header `timezone`，则默认为集群当前时区。
    :::
 
 **综上所述，处理时区问题最佳的实践是：**

i18n/zh-CN/docusaurus-plugin-content-docs/version-4.x/admin-manual/cluster-management/time-zone.md

@@ -173,7 +173,7 @@ Doris 目前兼容各时区下的数据向 Doris 中进行导入。而由于 Dor
    :::tip
     * Stream Load、Broker Load 等导入方式中，header `timezone` 会覆盖 Doris 集群 `time_zone`，因此在导入时应当保持一致。
     * Stream Load、Broker Load 等导入方式中，header `timezone` 会影响导入转换中使用的函数。
-    * 如果导入时未指定 header `timezone`，则默认使用东八区。
+    * 如果导入时未指定 header `timezone`，则默认为集群当前时区。
    :::
 
 **综上所述，处理时区问题最佳的实践是：**

versioned_docs/version-4.x/admin-manual/cluster-management/time-zone.md

@@ -172,7 +172,7 @@ Doris is currently compatible with importing data in various time zones into Dor
    :::tip
     * In import methods such as Stream Load and Broker Load, the header `timezone` will overwrite the Doris cluster `time_zone`, so it should be consistent during import.
     * In import methods such as Stream Load and Broker Load, the header `timezone` will affect the functions used in import conversion.
-    * If the header `timezone` is not specified when importing, the East Eighth Zone will be used by default.
+    * If the header `timezone` is not specified when importing, the current cluster time zone will be used by default.
    :::
 
 **To sum up, the best practice for dealing with time zone issues is:**