fix: typo

Author: 2-2-3-trimethylpentane

docs/index.md

@@ -23,7 +23,7 @@ hero:
       link: /downloads/downloadpage
     - theme: alt
       text: 使用指南
-      theme: /guide/instruction-manual
+      link: /guide/instruction-manual
 
 features:
   - icon: 🖊️