Eventbus错误：org.greenrobot.eventbus.EventBusException: Subscriber class

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org.greenrobot.eventbus.EventBusException: Subscriber class com.example.module_login.ui.activity.LoginActivity already registered to event class com.example.module_common.eventbus.MessageEvent

Android uses eventbus registration event Times above error, indicating already registered, registration can not be repeated.

Note: A page can only be registered once (without logging in)