Update pen.tsx

src/views/attend-class/component/tools/pen.tsx

@@ -55,7 +55,7 @@ export default defineComponent({
     if (props.type === 'call') {
       src = `${origin}${
         location.pathname
-      }roll-call/index.html?t=${+new Date()}&platform=modal&imagePos=${
+      }/classroom-app/roll-call/index.html?t=${+new Date()}&platform=modal&imagePos=${
         props.imagePos
       }`;
     }