diff --git a/docs/user-guide/logs/pipeline-config.md b/docs/user-guide/logs/pipeline-config.md
index b3e2014b7..eda7ff611 100644
--- a/docs/user-guide/logs/pipeline-config.md
+++ b/docs/user-guide/logs/pipeline-config.md
@@ -1024,7 +1024,8 @@ processors:
 
 transform:
   - field: input_str, ts
-    type: time
+    type: time, ms
+    index: timestamp
 ```
 
 Simply add a `version: 2` line at the top of the config file, and the pipeline engine will run the transform in combined mode:
@@ -1032,7 +1033,7 @@ Simply add a `version: 2` line at the top of the config file, and the pipeline e
 2. Write all fields of the pipeline context to the final table.
 
 Note:
-- If the transform section is explicitly written, it must contain a time index field. Otherwise the time-index field will be inferred by the pipeline engine just like the auto-transform mode.
+- If the transform section is explicitly written, **it must contain a time index field**. Otherwise the time-index field will be inferred by the pipeline engine just like the auto-transform mode.
 - The transform process in the version 2 will consume the original field in the pipeline context, so you can't transform the same field twice.
 
 ## Dispatcher
diff --git a/i18n/zh/docusaurus-plugin-content-docs/current/user-guide/logs/pipeline-config.md b/i18n/zh/docusaurus-plugin-content-docs/current/user-guide/logs/pipeline-config.md
index 136998a39..f12097e6d 100644
--- a/i18n/zh/docusaurus-plugin-content-docs/current/user-guide/logs/pipeline-config.md
+++ b/i18n/zh/docusaurus-plugin-content-docs/current/user-guide/logs/pipeline-config.md
@@ -1042,7 +1042,8 @@ processors:
 
 transform:
   - field: input_str, ts
-    type: time
+    type: time, ms
+    index: timestamp
 ```
 
 只需要在配置文件的开头加上 `version: 2`，pipeline 引擎就会以新的 transform 模式来处理数据：
@@ -1050,7 +1051,7 @@ transform:
 2. 将 pipeline 上下文中的所有字段保存到最终的结果表中
 
 注意：
-- 如果明确配置了 transform 规则，那么它必须要包含时间索引列。否则时间索引列会由 pipeline 引擎进行推导，该行为和 auto-transform 模式一致
+- 如果明确配置了 transform 规则，**那么它必须要包含时间索引列**。否则时间索引列会由 pipeline 引擎进行推导，该行为和 auto-transform 模式一致
 - 版本 2 中的 transform 规则执行会将原始字段从 pipeline 上下文中移除，故你无法在 transform 规则对同一个字段引用多次
 
 ## Dispatcher
diff --git a/i18n/zh/docusaurus-plugin-content-docs/version-0.15/user-guide/logs/pipeline-config.md b/i18n/zh/docusaurus-plugin-content-docs/version-0.15/user-guide/logs/pipeline-config.md
index 8eaac7226..f94275394 100644
--- a/i18n/zh/docusaurus-plugin-content-docs/version-0.15/user-guide/logs/pipeline-config.md
+++ b/i18n/zh/docusaurus-plugin-content-docs/version-0.15/user-guide/logs/pipeline-config.md
@@ -1038,7 +1038,8 @@ processors:
 
 transform:
   - field: input_str, ts
-    type: time
+    type: time, ms
+    index: timestamp
 ```
 
 只需要在配置文件的开头加上 `version: 2`，pipeline 引擎就会以新的 transform 模式来处理数据：
@@ -1046,7 +1047,7 @@ transform:
 2. 将 pipeline 上下文中的所有字段保存到最终的结果表中
 
 注意：
-- 如果明确配置了 transform 规则，那么它必须要包含时间索引列。否则时间索引列会由 pipeline 引擎进行推导，该行为和 auto-transform 模式一致
+- 如果明确配置了 transform 规则，**那么它必须要包含时间索引列**。否则时间索引列会由 pipeline 引擎进行推导，该行为和 auto-transform 模式一致
 - 版本 2 中的 transform 规则执行会将原始字段从 pipeline 上下文中移除，故你无法在 transform 规则对同一个字段引用多次
 
 ## Dispatcher
diff --git a/versioned_docs/version-0.15/user-guide/logs/pipeline-config.md b/versioned_docs/version-0.15/user-guide/logs/pipeline-config.md
index 6d2176822..9fcfa3cf7 100644
--- a/versioned_docs/version-0.15/user-guide/logs/pipeline-config.md
+++ b/versioned_docs/version-0.15/user-guide/logs/pipeline-config.md
@@ -1020,7 +1020,8 @@ processors:
 
 transform:
   - field: input_str, ts
-    type: time
+    type: time, ms
+    index: timestamp
 ```
 
 Simply add a `version: 2` line at the top of the config file, and the pipeline engine will run the transform in combined mode:
@@ -1028,7 +1029,7 @@ Simply add a `version: 2` line at the top of the config file, and the pipeline e
 2. Write all fields of the pipeline context to the final table.
 
 Note:
-- If the transform section is explicitly written, it must contain a time index field. Otherwise the time-index field will be inferred by the pipeline engine just like the auto-transform mode.
+- If the transform section is explicitly written, **it must contain a time index field**. Otherwise the time-index field will be inferred by the pipeline engine just like the auto-transform mode.
 - The transform process in the version 2 will consume the original field in the pipeline context, so you can't transform the same field twice.
 
 ## Dispatcher