fix request_function should be list

Html/apps/static/js/chatbox.js

@@ -30,6 +30,9 @@ document.addEventListener('DOMContentLoaded', function() {
             if (typeof data === 'string') {
                 data = JSON.parse(data);
             }
+            if (typeof data === 'object') {
+                data = [data];
+            }
             for (let i = 0; i < data.length; i++) {
                 const element = data[i]
                 const requestMessage = document.createElement('div');