breaking changes: anchor設置更改，可單獨設置按鈕和自動更新anchor是否開啟，可設置button圖標，可設置button 總是顯示 closed #1025

improvement: 本地預覽，友情鏈接頁面刷新，內容不會重複顯示

layout/includes/head/config.pug

@@ -120,5 +120,5 @@ script.
     },
     isPhotoFigcaption: !{theme.photofigcaption},
     islazyload: !{theme.lazyload.enable},
-    isAnchor: !{theme.anchor}
+    isAnchor: !{theme.anchor.auto_update}
   }