web ui: cannot save data and delete data

Bug Report

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Which version of ElasticJob did you use?

version: 3.0.2

Expected behavior

1. can be to save and delete on the web ui

Actual behavior

1. cannot be to save and delete on the web ui

Reason analyze (If you can)

Steps to reproduce the behavior.

1. Deployed on k8s
2. delete data on the web ui or save data on the web ui

Example codes for reproduce this issue (such as a github link).