backport the error handle

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 0% with 3 lines in your changes missing coverage. Please review.

Project coverage is 23.18%. Comparing base (23c49fe) to head (bc32481). Report is 5 commits behind head on release-1.8.

Files with missing lines	Patch %	Lines
pkg/aliyun/client/ecs.go	0.00%	3 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## release-1.8 #673 +/- ## =============================================== + Coverage 23.13% 23.18% +0.05% =============================================== Files 62 62 Lines 6545 6548 +3 =============================================== + Hits 1514 1518 +4 + Misses 4788 4787 -1 Partials 243 243 ``` | [Flag](https://app.codecov.io/gh/AliyunContainerService/terway/pull/673/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=AliyunContainerService) | Coverage Δ | | |---|---|---| | [unittests](https://app.codecov.io/gh/AliyunContainerService/terway/pull/673/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=AliyunContainerService) | `23.18% <0.00%> (+0.05%)` | :arrow_up: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=AliyunContainerService#carryforward-flags-in-the-pull-request-comment) to find out more.

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