Support basePath in all queries.

components/forms/ChangePasswordForm.js

@@ -1,5 +1,6 @@
 import React, { useState } from 'react';
 import { FormattedMessage } from 'react-intl';
+import { useRouter } from 'next/router';
 import { Formik, Form, Field } from 'formik';
 import { post } from 'lib/web';
 import Button from 'components/common/Button';
@@ -37,10 +38,11 @@ const validate = ({ current_password, new_password, confirm_password }) => {
 };
 
 export default function ChangePasswordForm({ values, onSave, onClose }) {
+  const { basePath } = useRouter();
   const [message, setMessage] = useState();
 
   const handleSubmit = async values => {
-    const { ok, data } = await post(`/api/account/password`, values);
+    const { ok, data } = await post(`${basePath}/api/account/password`, values);
 
     if (ok) {
       onSave();