help please dropdown filter

first dropdown ok
bur second dropdown not function

$w.onReady( function () {
uniqueDropDown1();
});

function uniqueDropDown1() {

wixData.query( "typeSkinProblem" ) 

    .limit( 1000 ) 

    .find() 

    .then(results => { 

const uniqueTitles = getUniqueTitles(results.items);

        $w( "#dropdown1" ).options = buildOptions(uniqueTitles); 

    }); 

function getUniqueTitles(items) {

const titlesOnly = items.map(item => item.problemSkinFs);

return [… new Set(titlesOnly)];

} 

function buildOptions(uniqueList) {

return uniqueList.map(curr => {

return { label: curr, value: curr };

    }); 

} 

}

export function genre_change(event, $w) {

uniqueDropDown2(); 

}

function uniqueDropDown2() {

wixData.query( "typeSkinProblem" ) 

    .contains( "typeSkinProblem" , $w( "#dropdown2" ).value) 

    .limit( 1000 ) 

    .find() 

    .then(results => { 

const uniqueTitles = getUniqueTitles(results.items);

        $w( "#dropdown2" ).options = buildOptions(uniqueTitles); 

    }); 

function getUniqueTitles(items) {

const titlesOnly = items.map(item => item.skinType);

return [… new Set(titlesOnly)];

} 

function buildOptions(uniqueList) {

return uniqueList.map(curr => {

return { label: curr, value: curr };

    }); 

} 

}