修改已售罄

@@ -174,7 +174,7 @@
                     {{/if}}
                     {{/if}}
                 </button>
                 </button>
 
 
-                <button class="buynow join-group-btn" id="joinBtn" {{#ifcond activityIdDetail.peopleNum "==" '0'}} style="background-color: #b0b0b0;" {{/ifcond}}
+                <button class="buynow join-group-btn" {{#ifcond activityIdDetail.peopleNum "==" '0'}} style="background-color: #b0b0b0;" {{/ifcond}}
                        id="buynow">
                        id="buynow">
                     <span class="bottom-title">{{activityIdDetail.formatCollagePrice}}</span>
                     <span class="bottom-title">{{activityIdDetail.formatCollagePrice}}</span>
                     {{#if groupNo}}
                     {{#if groupNo}}

@@ -250,7 +250,7 @@ class Detail extends Page {
                 actionFlag = dif > 0 ? false : true;
                 actionFlag = dif > 0 ? false : true;
             }
             }
             if (dif > 0) {
             if (dif > 0) {
-                document.getElementById('joinBtn').style.background = '#b0b0b0';
+                document.getElementById('buynow').style.background = '#b0b0b0';
             }
             }
             this.selector.$label[0].innerText = label;
             this.selector.$label[0].innerText = label;
             time = setInterval(() => {
             time = setInterval(() => {