diff --git a/i18n/zh/docusaurus-plugin-content-docs-rollouts/current/user-manuals/api-specifications.md b/i18n/zh/docusaurus-plugin-content-docs-rollouts/current/user-manuals/api-specifications.md
index 6bf1e75cb..dc31676ce 100644
--- a/i18n/zh/docusaurus-plugin-content-docs-rollouts/current/user-manuals/api-specifications.md
+++ b/i18n/zh/docusaurus-plugin-content-docs-rollouts/current/user-manuals/api-specifications.md
@@ -378,6 +378,7 @@ spec:
 | `headers[x].type`         | 字符串      | "Exact" | 匹配键和值的规则，可以是"Exact"或"RegularExpression"。       |
 | `headers[x].name`         | 字符串      | ""      | 匹配的HTTP标头名称。（headers[i]和headers[j]之间的And关系）    |
 | `headers[x].value`        | 字符串      | ""      | 匹配的HTTP标头值。                                    |
+| `patchPodTemplateMetadata` | 对象       | {}      | （可选）通过 canary 工作负载的 patch podTemplate 添加额外的 pod 元数据。 |
 </TabItem>
 </Tabs>
 注意：
@@ -386,6 +387,7 @@ spec:
 - `steps[x].matches[i]和steps[x].matches[j]`之间具有**或**关系；
 - `steps[x].matches[y].headers[i]和steps[x].matches[y].header[j]`之间具有**且**关系。
 - `enableExtraWorkloadForCanary 在v1beta1的Rollout对象中可用， 在v1alpha1版本的Rollout对象中， 可以用Rollout的特殊annotation `rollouts.kruise.io/rolling-type` 来开启类似功能，rolling-type 如果设置为"canary"（默认值)， 则相当于设置enableExtraWorkloadForCanary=true; 如果设置为partition, 这相当于设置enableExtraWorkloadForCanar=false
+- `patchPodTemplateMetadata`只有在`enableExtraWorkloadForCanary = true`的情况下才会生效。
 
 
 ### 工作负载的特殊注释（可选）
diff --git a/rollouts/user-manuals/api-specifications.md b/rollouts/user-manuals/api-specifications.md
index aa7195428..676663632 100644
--- a/rollouts/user-manuals/api-specifications.md
+++ b/rollouts/user-manuals/api-specifications.md
@@ -407,7 +407,7 @@ Note:
 - `steps[x].replicas` can not be nil.
 - `steps[x].matches[i] and steps[x].matches[j]` have **Or**-relationship.
 - `steps[x].matches[y].headers[i] and steps[x].matches[y].header[j]` have **And**-relationship. 
-- `steps[x].patchPodTemplateMetadata` can be set only if enableExtraWorkloadForCanary=true
+- `patchPodTemplateMetadata` can be set only if enableExtraWorkloadForCanary=true
 - `enableExtraWorkloadForCanary` is available in v1beta Rollout resource; In v1alpha1 Rollout resource, one can use the annotation of Rollout `rollouts.kruise.io/rolling-type`="canary" to enable `enableExtraWorkloadForCanary`
 
 ### Special Annotations of Workload (Optional)