fix: redirect problem in mix navigation mode; 🐛

修复：混合模式下重定向问题；

src/router/guards.js

@@ -66,13 +66,21 @@ const authorityGuard = (to, from, next, options) => {
  */
 const redirectGuard = (to, from, next, options) => {
   const {store} = options
+  const getFirstChild = (routes) => {
+    const route = routes[0]
+    if (!route.children || route.children.length === 0) {
+      return route
+    }
+    return getFirstChild(route.children)
+  }
   if (store.state.setting.layout === 'mix') {
     const firstMenu = store.getters['setting/firstMenu']
     if (firstMenu.find(item => item.fullPath === to.fullPath)) {
       store.commit('setting/setActivatedFirst', to.fullPath)
       const subMenu = store.getters['setting/subMenu']
       if (subMenu.length > 0) {
-        return next({path: subMenu[0].fullPath})
+        const redirect = getFirstChild(subMenu)
+        return next({path: redirect.fullPath})
       }
     }
   }