Update images and audios

 curl -v -X POST "https://kakaoi-newtone-openapi.kakao.com/v1/synthesize" \
 -H "Content-Type: application/xml" \
--H "Authorization: KakaoAK b471fd473a02136533554c3c6c108c91" \
+-H "Authorization: {KAKAO API KEY}" \
 -d '<speak><voice name="WOMAN_READ_CALM">정상</voice> </speak>' > 0.mp3
 
 curl -v -X POST "https://kakaoi-newtone-openapi.kakao.com/v1/synthesize" \
 -H "Content-Type: application/xml" \
--H "Authorization: KakaoAK b471fd473a02136533554c3c6c108c91" \
--d '<speak><voice name="WOMAN_READ_CALM">미착용</voice></speak>' > 1.mp3
+-H "Authorization: {KAKAO API KEY}" \
+-d '<speak><voice name="WOMAN_READ_CALM">마스크를 정확히 착용하세요.</voice></speak>' > 1.mp3
 
 curl -v -X POST "https://kakaoi-newtone-openapi.kakao.com/v1/synthesize" \
 -H "Content-Type: application/xml" \
--H "Authorization: KakaoAK b471fd473a02136533554c3c6c108c91" \
--d '<speak><voice name="WOMAN_READ_CALM">턱스크</voice></speak>' > 2.mp3
-
-curl -v -X POST "https://kakaoi-newtone-openapi.kakao.com/v1/synthesize" \
--H "Content-Type: application/xml" \
--H "Authorization: KakaoAK b471fd473a02136533554c3c6c108c91" \
--d '<speak><voice name="WOMAN_READ_CALM">입스크</voice></speak>' > 3.mp3
-
-curl -v -X POST "https://kakaoi-newtone-openapi.kakao.com/v1/synthesize" \
--H "Content-Type: application/xml" \
--H "Authorization: KakaoAK b471fd473a02136533554c3c6c108c91" \
+-H "Authorization: {KAKAO API KEY}" \
 -d '<speak><voice name="WOMAN_READ_CALM">시작</voice> </speak>' > 4.mp3

@@ -14,7 +14,7 @@ router.get('/data', function(req, res, next){
 
   data = {
     image : "/images/"+id+".jpg",
-    audio : "/audio"+id+".mp3"
+    audio : "/audios/"+id+".mp3"
   }
   //데이터 확인
   console.log(data);

@@ -115,7 +115,7 @@
         </div>
         <div class="box2">
             <div id="check_image">
-                <img class="alert_image" src="/images/1.jpg">
+                <img class="alert_image" src="/images/2.jpg">
             </div>
 
             <!-- 인풋 폼 나중에 합치기 -->
@@ -147,7 +147,7 @@
     <span id = "check_audio">
         <!--초기값으로 '시작'이라는 음성을 사용 -->
         <!--auto play 기능을 위해 iframe 사용 -->
-        <iframe src="/audios/4.mp3" allow="autoplay" id="audio" style="display:none"></iframe>
+        <iframe src="/audios/3.mp3" allow="autoplay" id="audio" style="display:none"></iframe>
     </span>
     <!-- footer -->
     <footer>
@@ -168,7 +168,7 @@
     // https://github.com/googlecreativelab/teachablemachine-community/tree/master/libraries/image
 
     // the link to your model provided by Teachable Machine export panel
-    const URL = "https://teachablemachine.withgoogle.com/models/2QtWMcVET/";
+    const URL = "https://teachablemachine.withgoogle.com/models/ujJHV9bKh/";
     
     let model, webcam, labelContainer, maxPredictions;
 
@@ -225,7 +225,7 @@
 
         //해당 항목의 일치확률이 몇프로 이상이어야 해당 항목이라 판단할지 결정하는 변수
         var check_probablity=0.95;
-        //0: 완벽 1: 안씀 2: 턱스크 3: 입스크
+        //0: 완벽 1: 불량 2: 배경 -> 사람이 없는 경우
 
         if(prediction[0].probability.toFixed(2)>check_probablity){
             predict_id=0;
@@ -236,9 +236,6 @@
         else if(prediction[2].probability.toFixed(2)>check_probablity){
             predict_id=2;
         }
-        else if(prediction[3].probability.toFixed(2)>check_probablity){
-            predict_id=3;
-        }
 
         //이전 결과와 다를떄만 ajax요청
         //last_result_predict는 전역변수. 초기값 -999로 설정되어있다.
@@ -246,7 +243,7 @@
         if(last_result_predict!=predict_id){
 
           //ajax로 서버에 그 id에 해당하는 이미지의 주소와 음성파일을 달라고 요청한다.
-          if(predict_id > 0){
+          if(predict_id >= 0){
             //last_result_predict값을 지금 결과로 나온 predict로 초기화해준다. 
             last_result_predict = predict_id;
             $(function() {