我找到了一些解决方案.我在MulticastView中重写了get_list方法.我从ModelView复制了所有源代码，并在搜索条件代码中添加了一行:

I found some solution. I overrided get_list method in MulticastView. I copied all source code from ModelView and added a line in search criteria code:

filter_stmt.append(func.text(Multicast.addr).like(stmt))

有效！