把下面的代码
const IOdictionary dict
    (
        IOobject
        (
            dictName,
            db.time().constant(),
            db,
            IOobject::MUST_READ,
            IOobject::NO_WRITE
        )
    );
改为
const IOdictionary dict
    (
        IOobject
        (
            dictName,
            db.time().constant(),
            db,
            IOobject::MUST_READ,
            IOobject::NO_WRITE,
            false
        )
    );