fixed code

src/server/server.js

@@ -1,5 +1,5 @@
-export const fetchProfile = async (link, index = '') => {
-  const response = await fetch(`${link}/${index}`);
+export const fetchProfile = async (link, index) => {
+  const response = await fetch(`${link}${index}`);
   let data = await response.json();
 
   return data;