done some small introductions

javascript/hw.js

@@ -8,7 +8,7 @@ const getGQL = (url) => async (query, variables) => {
 			method: 'POST',
 			headers: {
 				'Content-Type': 'application/json',
-				Authorization: token ? 'Bearer ' + token : '',
+				Authorization: 'Bearer ' + token ? token : '',
 			},
 			body: JSON.stringify({ query, variables }),
 		});