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The following commit(s) were added to refs/heads/master by this push:
     new 9d61f04024e [docs] fix subheading number (#3155)
9d61f04024e is described below

commit 9d61f04024e63877c041a729009ed9cd9729f4f0
Author: curiosity-hyf <[email protected]>
AuthorDate: Wed Feb 11 02:07:12 2026 +0800

    [docs] fix subheading number (#3155)
    
    ## Versions
    
    - [x] dev
    - [x] 4.x
    - [x] 3.x
    - [x] 2.1
    
    ## Languages
    
    - [x] Chinese
    - [ ] English
    
    ## Docs Checklist
    
    - [ ] Checked by AI
    - [ ] Test Cases Built
    
    Signed-off-by: curiosity-hyf <[email protected]>
---
 .../version-2.1/data-operate/update/update-overview.md                | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git 
a/i18n/zh-CN/docusaurus-plugin-content-docs/version-2.1/data-operate/update/update-overview.md
 
b/i18n/zh-CN/docusaurus-plugin-content-docs/version-2.1/data-operate/update/update-overview.md
index 30fae87df5a..5c193723279 100644
--- 
a/i18n/zh-CN/docusaurus-plugin-content-docs/version-2.1/data-operate/update/update-overview.md
+++ 
b/i18n/zh-CN/docusaurus-plugin-content-docs/version-2.1/data-operate/update/update-overview.md
@@ -34,7 +34,7 @@ Doris 提供了两大类数据更新方法:**通过数据导入进行更新**
 
 ![img](/images/update-overview/update-by-loading.png)
 
-1.2.2. 通过 `UPDATE` DML语句更新
+#### 1.2.2. 通过 `UPDATE` DML语句更新
 
 Doris 支持标准的 SQL `UPDATE` 语句,允许用户根据 `WHERE` 
子句指定的条件对数据进行更新。这种方式非常灵活,支持复杂的更新逻辑,例如跨表关联更新。
 
@@ -53,7 +53,7 @@ WHERE t1.user_id = t2.user_id;
 
 **注意**:`UPDATE` 语句的执行过程是先扫描满足条件的数据,然后将更新后的数据重新写回表中。它适合低频、批量的更新任务。**不建议对** 
**`UPDATE`** **语句进行高并发操作**,因为并发的 `UPDATE` 在涉及相同主键时,无法保证数据的隔离性。
 
-#### 1.2.2. 通过 `INSERT INTO SELECT` DML语句更新
+#### 1.2.3. 通过 `INSERT INTO SELECT` DML语句更新
 
 由于Doris默认提供了UPSERT的语义,因此使用`INSERT INTO SELECT`也可以实现类似于`UPDATE`的更新效果。
 


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