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日志如下，还请大佬帮忙看看问题出在哪儿了。
```
begin update cert
------ begin updateCrt ------
begin backupCrt
done backupCrt
begin installAcme
begin downloading acme.sh tool...
% Total % Received % Xferd Av…
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### Contribution guidelines
- [X] I've read the [contribution guidelines](https://github.com/mailcow/mailcow-dockerized/blob/master/CONTRIBUTING.md) and wholeheartedly agree
### I've found a bug and…
-
### Contribution guidelines
- [X] I've read the [contribution guidelines](https://github.com/mailcow/mailcow-dockerized/blob/master/CONTRIBUTING.md) and wholeheartedly agree
### I've found a bug and…
-
### Contribution guidelines
- [X] I've read the [contribution guidelines](https://github.com/mailcow/mailcow-dockerized/blob/master/CONTRIBUTING.md) and wholeheartedly agree
### I've found a bug…
-
### Contribution guidelines
- [X] I've read the [contribution guidelines](https://github.com/mailcow/mailcow-dockerized/blob/master/CONTRIBUTING.md) and wholeheartedly agree
### I've found a bug and…
-
### Contribution guidelines
- [X] I've read the [contribution guidelines](https://github.com/mailcow/mailcow-dockerized/blob/master/CONTRIBUTING.md) and wholeheartedly agree
### I've found a bug and…
-
### Contribution guidelines
- [X] I've read the [contribution guidelines](https://github.com/mailcow/mailcow-dockerized/blob/master/CONTRIBUTING.md) and wholeheartedly agree
### I've found a bug…
-
### Contribution guidelines
- [X] I've read the [contribution guidelines](https://github.com/mailcow/mailcow-dockerized/blob/master/CONTRIBUTING.md) and wholeheartedly agree
### I've found a bug and…
-
### Contribution guidelines
- [X] I've read the [contribution guidelines](https://github.com/mailcow/mailcow-dockerized/blob/master/CONTRIBUTING.md) and wholeheartedly agree
### I've found a bug and…
-
### Contribution guidelines
- [X] I've read the [contribution guidelines](https://github.com/mailcow/mailcow-dockerized/blob/master/CONTRIBUTING.md) and wholeheartedly agree
### I've found a bug and…