登陆时用户名错误无弹窗提示

[cmycoups]

Describe the bug

A clear and concise description of what the bug is.

To Reproduce

Steps to reproduce the behavior:
输入错误的用户名，点击登录，页面没反应

Expected behavior

输入错误的用户名，点击登录，页面应该提示用户名错误

Screenshots

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Log Information

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Desktop (please complete the following information)

• OS: [e.g. iOS]
• Browser [e.g. chrome, safari]
• Version [e.g. 22]

Additional context

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[cmycoups]

已解决
#38