[zh-cn] update update-api-object-kubectl-patch.md

Author: zhuzhenghao

content/zh-cn/docs/tasks/manage-kubernetes-objects/update-api-object-kubectl-patch.md

@@ -492,7 +492,7 @@ Patch your Deployment again with this new patch:
 使用新的 patch 重新修补 Deployment：
 
 ```shell
-kubectl patch deployment retainkeys-demo --type merge --patch-file patch-file-retainkeys.yaml
+kubectl patch deployment retainkeys-demo --type strategic --patch-file patch-file-retainkeys.yaml
 ```
 
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