[Feature] Add custom alert statements to alarm configuration.

[tianqin69]

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Description

When we configure the alert email, add the custom alert statement configuration. Now the situation is that when I get the email, I don't know whether the test or production tasks are down

Usage Scenario

When the task is abnormal, it can quickly locate the abnormal task

Related issues

no

Are you willing to submit a PR?

• Yes I am willing to submit a PR!

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