diff --git a/js/admin.js b/js/admin.js
index 836a6c0..32092c6 100644
--- a/js/admin.js
+++ b/js/admin.js
@@ -798,7 +798,7 @@ async function changeStatus(id, status) {
 async function generateLink(id) {
     try {
         const data = await API.post('surveys.php?action=generateLink', { id });
-        const basePath = window.location.pathname.includes('/survey') ? '/survey' : '';
+        const basePath = getAppBasePath();
         const fullUrl = data.full_url || `${window.location.origin}${basePath}/respond.php?link=${data.unique_link}`;
 
         // Find survey title
diff --git a/js/app.js b/js/app.js
index 5c7dcd1..ed75a55 100644
--- a/js/app.js
+++ b/js/app.js
@@ -4,7 +4,10 @@
  */
 
 const getAppBasePath = () => {
-    return window.location.pathname.includes('/survey') ? '/survey' : '';
+    const p = window.location.pathname;
+    if (p.includes('/meeting')) return '/meeting';
+    if (p.includes('/survey')) return '/survey';
+    return '';
 };
 
 const API = {
diff --git a/js/editor.js b/js/editor.js
index d4505a1..639831f 100644
--- a/js/editor.js
+++ b/js/editor.js
@@ -76,7 +76,7 @@ function renderEditor() {
                         <input type="hidden" id="edit-survey-cert-template-path" value="${escapeHtml(currentSurvey.certificate_template || '')}">
                         
                         <div id="cert-preview-wrapper" style="margin-top:12px; display:${currentSurvey.certificate_template ? 'block' : 'none'};">
-                            <img id="cert-template-preview" src="${currentSurvey.certificate_template ? (window.location.pathname.includes('/survey') ? '/survey/' : '/') + currentSurvey.certificate_template : ''}" style="max-height:140px; width:auto; border-radius:8px; border:1px solid var(--border-color); box-shadow:var(--shadow-sm);">
+                            <img id="cert-template-preview" src="${currentSurvey.certificate_template ? getAppBasePath() + '/' + currentSurvey.certificate_template : ''}" style="max-height:140px; width:auto; border-radius:8px; border:1px solid var(--border-color); box-shadow:var(--shadow-sm);">
                         </div>
                     </div>
                     
@@ -479,7 +479,7 @@ function closeEditor() {
 
 function previewSurvey() {
     if (!currentSurvey) return;
-    const basePath = window.location.pathname.includes('/survey') ? '/survey' : '';
+    const basePath = getAppBasePath();
     window.open(`${basePath}/respond.php?link=${currentSurvey.unique_link}`, '_blank');
 }
 
@@ -519,7 +519,7 @@ async function uploadCertTemplate(input) {
     formData.append('template_image', file);
     
     try {
-        const basePath = window.location.pathname.includes('/survey') ? '/survey' : '';
+        const basePath = getAppBasePath();
         const res = await fetch(`${basePath}/api/surveys.php?action=uploadTemplate`, {
             method: 'POST',
             body: formData
diff --git a/js/survey.js b/js/survey.js
index 72b9164..95a2c2b 100644
--- a/js/survey.js
+++ b/js/survey.js
@@ -15,7 +15,7 @@ async function initSurvey() {
     }
 
     try {
-        const basePath = window.location.pathname.includes('/survey') ? '/survey' : '';
+        const basePath = getAppBasePath();
         const data = await fetch(`${basePath}/api/surveys.php?action=getByLink&link=${encodeURIComponent(link)}`).then(r => r.json());
         
         if (data.error) {
@@ -247,7 +247,7 @@ async function submitSurveyResponse(e) {
     const params = new URLSearchParams(window.location.search);
 
     try {
-        const basePath = window.location.pathname.includes('/survey') ? '/survey' : '';
+        const basePath = getAppBasePath();
         const res = await fetch(`${basePath}/api/responses.php?action=submit`, {
             method: 'POST',
             headers: { 'Content-Type': 'application/json' },
diff --git a/js/teacher.js b/js/teacher.js
index fc16d1b..b1e50dd 100644
--- a/js/teacher.js
+++ b/js/teacher.js
@@ -374,7 +374,7 @@ async function teacherDuplicateSurvey(id) {
 async function teacherGenerateLink(id) {
     try {
         const data = await API.post('surveys.php?action=generateLink', { id });
-        const basePath = window.location.pathname.includes('/survey') ? '/survey' : '';
+        const basePath = getAppBasePath();
         const fullUrl = data.full_url || `${window.location.origin}${basePath}/respond.php?link=${data.unique_link}`;
 
         // Find survey title