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src/views/InstructorView.js

@@ -594,6 +594,7 @@ export function setupInstructorEvents() {
 
     // Global Reject Function
     window.rejectCurrentSubmission = async () => {
+        alert("正在執行退回動作...");
         const modal = document.getElementById('broadcast-modal');
         if (!modal) return;
 
@@ -611,7 +612,7 @@ export function setupInstructorEvents() {
 
         if (confirm('確定要退回此學員的進度嗎？學員將需要重新作答。')) {
             try {
-                const { resetProgress } = await import("../services/classroom.js");
+                // Use top-level import and await execution
                 const success = await resetProgress(userId, roomCode, challengeId);
 
                 if (success) {
@@ -649,8 +650,8 @@ export function setupInstructorEvents() {
 
         if (confirm('確定要退回此學員的進度嗎？學員將需要重新作答。')) {
             try {
-                const { resetProgress } = import("../services/classroom.js"); // await removed;
-                const success = resetProgress(userId, roomCode, challengeId); // await removed;
+                // Dead code - syntax fix
+                const success = resetProgress(userId, roomCode, challengeId);
 
                 if (success) {
                     alert('已成功退回，學員將需要重新作答。');