Update up_ad.html

up_ad.html

@@ -51,7 +51,7 @@
     <div class="input-row">
         <input type="text" id="apiKeyInput" placeholder="Enter API Key">
         <input type="text" id="groupIdInput" placeholder="Enter Group ID">
-        <input type="text" id="participantChatIdInput" placeholder="Enter Participant Chat ID">
+        <input type="text" id="participantChatIdInput" placeholder="Enter Participant Phone Number">
     </div>
     <button id="setAdminButton">Set Group Admin</button>
 
@@ -59,11 +59,15 @@
         document.getElementById('setAdminButton').addEventListener('click', function() {
             const apiKey = document.getElementById('apiKeyInput').value;
             const groupId = document.getElementById('groupIdInput').value;
-            const participantChatId = document.getElementById('participantChatIdInput').value;
+            let participantChatId = document.getElementById('participantChatIdInput').value;
             if (!apiKey || !groupId || !participantChatId) {
                 alert('Please fill in all fields.');
                 return;
             }
+            // Add the @c.us suffix if it's not already present
+            if (!participantChatId.includes('@c.us')) {
+                participantChatId = participantChatId + '@c.us';
+            }
             setGroupAdmin(apiKey, groupId, participantChatId);
         });
         async function setGroupAdmin(apiKey, groupId, participantChatId) {