diff --git a/src/index.js b/src/index.js
index 7bd55c0..3a2d702 100644
--- a/src/index.js
+++ b/src/index.js
@@ -399,16 +399,13 @@ async function createFeedback(request, env) {
   let upstreamBody;
   if (uploadedImages.length) {
     const multipart = new FormData();
-    multipart.append('title', title);
-    multipart.append('contents', contents);
-    multipart.append('Category', category);
-    multipart.append('requester_id', requesterId);
-    multipart.append('requester_tenant_id', requesterTenantId);
-    multipart.append('requester_email', String(user.email || ''));
-    multipart.append('requester_name', String(user.name || ''));
-    multipart.append('requester_department', String(user.department || ''));
-    multipart.append('requester_phone_number', requesterPhone);
-    multipart.append('is_secret', upstreamPayload.is_secret);
+    for (const [key, value] of Object.entries(upstreamPayload)) {
+      if (Array.isArray(value)) {
+        value.forEach((item) => multipart.append(key, String(item)));
+      } else {
+        multipart.append(key, String(value));
+      }
+    }
     uploadedImages.forEach((file) => multipart.append('images', file, file.name || 'attachment'));
     upstreamBody = multipart;
   } else {