docs: fix wrong link

src/views/components-demo/tinymce.vue

@@ -2,7 +2,7 @@
   <div class="components-container">
     <aside>
       Rich text is a core feature of the management backend, but at the same time it is a place with lots of pits. In the process of selecting rich texts, I also took a lot of detours. The common rich texts on the market have been basically used, and I finally chose Tinymce. See the more detailed rich text comparison and introduction.
-      <a target="_blank" class="link-type" href="https://panjiachen.github.io/vue-element-admin-site/component/rich-editor.html">Documentation</a>
+      <a target="_blank" class="link-type" href="https://panjiachen.github.io/vue-element-admin-site/feature/component/rich-editor.html">Documentation</a>
     </aside>
     <div>
       <tinymce v-model="content" :height="300" />