TongWeb8.0下应用用javamail接口报错

TongWeb8.0下应用用javamail接口报错如下：

2024-09-04 17:26:44 [ERROR] - Servlet.service() for servlet [TestServlet] in context with path [webtest] threw exception [Servlet execution threw an exception] with root cause java.util.ServiceConfigurationError: javax.mail.Provider: Provider com.tongweb.mail.imap.IMAPProvider not a subtype
    at java.util.ServiceLoader.fail(ServiceLoader.java:239)
    at java.util.ServiceLoader.access$300(ServiceLoader.java:185)
    at java.util.ServiceLoader$LazyIterator.nextService(ServiceLoader.java:376)
    at java.util.ServiceLoader$LazyIterator.next(ServiceLoader.java:404)
    at java.util.ServiceLoader$1.next(ServiceLoader.java:480)
    at javax.mail.Session.getProviders(Session.java:493)