bug fixes

src/router/routes.js

@@ -21,7 +21,7 @@ const courseRoutes = [
   {
     path: '/course/learn/:courseId/tag/:id',
     name: 'courseTagItem',
-    component: () => import(/* webpackChunkName: "course-learn" */ '@/pages/course/tag/item')
+    component: () => import(/* webpackChunkName: "course-learn" */ '@/pages/course/learn/tag')
   },
   // 课程练习列表
   { path: '/course/test', component: () => import(/* webpackChunkName: "course-test" */ '@/pages/course/test') },