jfinal项目启动异常，暂无法解决，十万火急，望大家不吝赐教：

Exception in thread "main" java.lang.VerifyError: Bad type on operand stack
Exception Details:
  Location:
    com/oillab/article/article/controller/ArticleApiController.add(Lcom/oillab/article/article/model/Article;)V @11: invokevirtual
  Reason:
    Type 'com/oillab/article/article/model/Article' (current frame, stack[2]) is not assignable to 'com/jfinal/ext/common/model/BaseModel'
  Current Frame:
    bci: @11
    flags: { }
    locals: { 'com/oillab/article/article/controller/ArticleApiController', 'com/oillab/article/article/model/Article' }
    stack: { 'com/oillab/article/article/controller/ArticleApiController', 'com/oillab/article/article/controller/ArticleApiController', 'com/oillab/article/article/model/Article' }
  Bytecode:
    0x0000000: 2b2a b600 0db6 000e 2a2a 2bb6 000f b600
    0x0000010: 0bb1                                   

	at java.lang.Class.getDeclaredMethods0(Native Method)
	at java.lang.Class.privateGetDeclaredMethods(Class.java:2701)
	at java.lang.Class.getDeclaredMethods(Class.java:1975)
	at com.jfinal.core.ActionMapping.buildActionMapping(ActionMapping.java:66)
	at com.jfinal.core.JFinal.initActionMapping(JFinal.java:103)
	at com.jfinal.core.JFinal.init(JFinal.java:64)
	at com.jfinal.core.JFinalFilter.init(JFinalFilter.java:64)
	at io.undertow.servlet.core.LifecyleInterceptorInvocation.proceed(LifecyleInterceptorInvocation.java:111)
	at io.undertow.servlet.core.ManagedFilter.createFilter(ManagedFilter.java:80)
	at io.undertow.servlet.core.DeploymentManagerImpl$2.call(DeploymentManagerImpl.java:591)
	at io.undertow.servlet.core.DeploymentManagerImpl$2.call(DeploymentManagerImpl.java:556)
	at io.undertow.servlet.core.ServletRequestContextThreadSetupAction$1.call(ServletRequestContextThreadSetupAction.java:42)
	at io.undertow.servlet.core.ContextClassLoaderSetupAction$1.call(ContextClassLoaderSetupAction.java:43)
	at io.undertow.servlet.core.DeploymentManagerImpl.start(DeploymentManagerImpl.java:598)
	at com.jfinal.server.undertow.UndertowServer.configHttp(UndertowServer.java:287)
	at com.jfinal.server.undertow.UndertowServer.doStart(UndertowServer.java:265)
	at com.jfinal.server.undertow.UndertowServer.start(UndertowServer.java:158)
	at com.jfinal.ext.starter.ServerStarter.run(ServerStarter.java:51)
	at com.jfinal.ext.starter.ServerStarter.run(ServerStarter.java:22)
	at com.oillab.Main.main(Main.java:26)

> Task :api:Main.main() FAILED

相关代码：

// ArticleApiController
public void add(@Para("") Article article) {
    article.setUid(getUserId());
    renderJson(checkAndAdd(article));
}

model继承关系：

Article --> BaseArticle --> BaseModel --> Model