- 修复了一些死链

- 添加了新的 otto 插图（没错作者又更了）并修改了更换逻辑

script/switchLightDarkMode.js

@@ -110,11 +110,12 @@ function plugin(hook, vm) {
                 currentThemeModeIndex ++
             }
             window.$docsify.currentThemeModeIndex = currentThemeModeIndex
-            window.$docsify.onLightDarkModeChange();
             setThemeMode(themeModes[currentThemeModeIndex])
+            if (window.$docsify.onLightDarkModeChange) {
+                window.$docsify.onLightDarkModeChange();
+            }
         }
 
-        document.body.appendChild(switchSpan)
 
         var zoomInSpan = document.createElement('span')
         zoomInSpan.id = 'zoomInSpan'
@@ -175,6 +176,7 @@ function plugin(hook, vm) {
             showOtto()
         }
 
+        document.body.appendChild(switchSpan)
         document.body.appendChild(zoomInSpan)
         document.body.appendChild(zoomOutSpan)
         document.body.appendChild(zoomDefaultSpan)