Update pen.tsx

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

@@ -53,9 +53,7 @@ export default defineComponent({
     let src = `${origin}/classroom-whiteboard?t=${+new Date()}`;
 
     if (props.type === 'call') {
-      src = `${origin}${
-        location.pathname
-      }/classroom-app/roll-call/index.html?t=${+new Date()}&platform=modal&imagePos=${
+      src = `${origin}/classroom-app/roll-call/index.html?t=${+new Date()}&platform=modal&imagePos=${
         props.imagePos
       }`;
     }