fix using unfetch api

web/app/common/api.js

@@ -2,7 +2,7 @@ import { siteId, url } from './settings';
 
 import fetcher from './fetcher'
 
-/* common */
+/* user */
 
 export const logOut = () => fetcher.get({ url: `/auth/logout`, overriddenApiBase: '' });
 
@@ -36,6 +36,7 @@ export const getUser = () => fetcher.get({
 });
 
 /* admin */
+
 export const pin = ({ id, url }) => fetcher.put({
   url: `/admin/pin/${id}?url=${url}&pin=1`,
   withCredentials: true,

web/app/common/fetcher.js

@@ -42,7 +42,7 @@ methods.forEach(method => {
       };
 
       if (Object.keys(body).length) {
-        parameters.data = body;
+        parameters.body = JSON.stringify(body);
       }
 
       let requestUrl = `${basename}${url}`;