update docs

docs/docs/essential/_category_.json

@@ -1,5 +1,4 @@
 {
   "label": "文档",
   "position": 1
-  
-} 
+}

docs/docusaurus.config.ts

@@ -94,7 +94,7 @@ const config: Config = {
           items: [
             {
               label: 'Tutorial',
-              to: '/introduction',
+              to: 'essential/introduction',
             },
           ],
         },

docs/src/pages/index.tsx

@@ -20,7 +20,7 @@ function HomepageHeader() {
         <div className={styles.buttons}>
           <Link
             className="button button--secondary button--lg"
-            to="/docs/introduction">
+            to="essential/introduction">
             {siteConfig.title} Tutorial
           </Link>
         </div>