Modify the LabelOutlineAndGlowTest case then used BRLNSDB.TTF for test,the codes as follow:

    TTFConfig config( "fonts/BRLNSDB.TTF", 32 );
    auto lbl = Label::createWithTTF( config, "asdf", TextHAlignment::LEFT,size.width );
    lbl->setColor( Color3B( 255, 0, 0 ) );
    lbl->enableOutline( Color4B( 0, 0, 0, 255 ), 3 );
    lbl->setPosition( 400, 200 );
    lbl->setAnchorPoint( Point( 0.5, 0.5 ) );
    addChild( lbl );

    auto lbl2 = Label::createWithTTF( config, "asdf", TextHAlignment::LEFT,size.width );
    lbl2->setColor( Color3B( 255, 0, 0 ) );
    lbl2->setPosition( 400, 300 );
    lbl2->setAnchorPoint( Point( 0.5, 0.5 ) );
    addChild( lbl2 );

The reusult as follow: