[BUG] The plugin image starts with admin and cannot be customized based on the prefix

[liangguifeng]

Bug Description [describe the bug in detail]

My parent path is not admin, but the image address is written on admin and cannot be automatically recognized based on the prefix I defined

How to reproduce [describe the steps how to reproduce the bug]

Expect [describe your expect result]

Reproduction code [here to show your codes or examples]

Versions

• GoAdmin version: [e.g. 1.0.0]
• golang version
• Browser
• OS [e.g. mac OS]

Others [screenshots or others info here]

[liangguifeng]

#576 Related repair pull request