修改页面，完成单页模式新增首页返回上一页按钮

public/js/join-pages.js

@@ -194,9 +194,7 @@
 
   function redirectToLogin(api) {
     if (api && api.clearToken) api.clearToken();
-    if (!root.location) return;
-    if (typeof root.location.replace === 'function') root.location.replace('login.html');
-    else root.location.href = 'login.html';
+    root.NavigationUtil.open('login.html');
   }
 
   function getApiStateType(error) {
@@ -351,7 +349,7 @@
         if (!refreshed.some(function (item) { return item.applyId === created.applyId; })) {
           throw new Error('提交后无法读取同一申请');
         }
-        if (root.location) root.location.href = 'profile-join-family.html';
+        root.NavigationUtil.open('profile-join-family.html');
       } catch (error) {
         if (shouldRedirectToLogin(api, error)) {
           redirectToLogin(api);