diff --git a/docs/index.html b/docs/index.html
index f29c2402..cb5df153 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -44,8 +44,13 @@
       mergeNavbar: true,
       formatUpdated: '{YYYY}-{MM}-{DD} {HH}:{mm}:{ss}',
     }
-    if (typeof navigator.serviceWorker !== 'undefined') {
-        navigator.serviceWorker.register('serviceWorker.js')
+    if (navigator.serviceWorker) {
+        navigator.serviceWorker.getRegistrations()
+            .then(function(registrations) {
+                for(let registration of registrations) {
+                    registration.unregister();
+                }
+            });
     }
   </script>
   <script src="https://cdn.bootcss.com/docsify/4.5.5/docsify.min.js"></script>
diff --git a/docs/serviceWorker.js b/docs/serviceWorker.js
deleted file mode 100644
index 34634e1e..00000000
--- a/docs/serviceWorker.js
+++ /dev/null
@@ -1,75 +0,0 @@
-const RUNTIME = 'docsify'
-const HOSTNAME_WHITELIST = [
-    self.location.hostname,
-    'fonts.gstatic.com',
-    'fonts.googleapis.com',
-    'cdn.bootcss.com'
-]
-
-// The Util Function to hack URLs of intercepted requests
-const getFixedUrl = (req) => {
-    var now = Date.now()
-    var url = new URL(req.url)
-
-    // 1. fixed http URL
-    // Just keep syncing with location.protocol
-    // fetch(httpURL) belongs to active mixed content.
-    // And fetch(httpRequest) is not supported yet.
-    url.protocol = self.location.protocol
-
-    // 2. add query for caching-busting.
-    // Github Pages served with Cache-Control: max-age=600
-    // max-age on mutable content is error-prone, with SW life of bugs can even extend.
-    // Until cache mode of Fetch API landed, we have to workaround cache-busting with query string.
-    // Cache-Control-Bug: https://bugs.chromium.org/p/chromium/issues/detail?id=453190
-    if (url.hostname === self.location.hostname) {
-        url.search += (url.search ? '&' : '?') + 'cache-bust=' + now
-    }
-    return url.href
-}
-
-/**
- *  @Lifecycle Activate
- *  New one activated when old isnt being used.
- *
- *  waitUntil(): activating ====> activated
- */
-self.addEventListener('activate', event => {
-    event.waitUntil(self.clients.claim())
-})
-
-/**
- *  @Functional Fetch
- *  All network requests are being intercepted here.
- *
- *  void respondWith(Promise<Response> r)
- */
-self.addEventListener('fetch', event => {
-    // Skip some of cross-origin requests, like those for Google Analytics.
-    if (HOSTNAME_WHITELIST.indexOf(new URL(event.request.url).hostname) > -1) {
-    // Stale-while-revalidate
-    // similar to HTTP's stale-while-revalidate: https://www.mnot.net/blog/2007/12/12/stale
-    // Upgrade from Jake's to Surma's: https://gist.github.com/surma/eb441223daaedf880801ad80006389f1
-    const cached = caches.match(event.request)
-    const fixedUrl = getFixedUrl(event.request)
-    const fetched = fetch(fixedUrl, { cache: 'no-store' })
-    const fetchedCopy = fetched.then(resp => resp.clone())
-
-    // Call respondWith() with whatever we get first.
-    // If the fetch fails (e.g disconnected), wait for the cache.
-    // If there’s nothing in cache, wait for the fetch.
-    // If neither yields a response, return offline pages.
-    event.respondWith(
-        Promise.race([fetched.catch(_ => cached), cached])
-.then(resp => resp || fetched)
-.catch(_ => { /* eat any errors */ })
-)
-
-    // Update the cache with the version we fetched (only for ok status)
-    event.waitUntil(
-        Promise.all([fetchedCopy, caches.open(RUNTIME)])
-            .then(([response, cache]) => response.ok && cache.put(event.request, response))
-        .catch(_ => { /* eat any errors */ })
-)
-}
-})
\ No newline at end of file
diff --git a/docs/start.md b/docs/start.md
index 5027077e..160417f9 100644
--- a/docs/start.md
+++ b/docs/start.md
@@ -44,6 +44,8 @@
 
 如果提示“该素材未被定义”或有红色问号框，请参见[素材注册](#素材注册)。
 
+绘制地图时可以右键弹出菜单，移动图块和事件。
+
 ### 从RMXP导入已有的地图
 
 如果我们想复刻一个现有的，已经被RMXP所制作的塔，也有很便捷的方式，那就是用到我们的“地图生成器”。
diff --git a/更新说明.txt b/更新说明.txt
index fbdb7e9e..7fd97858 100644
--- a/更新说明.txt
+++ b/更新说明.txt
@@ -1,11 +1,12 @@
 HTML5魔塔样板V2.2.1
 
+地图编辑器可以右键复制或移动图块  √
+事件：while循环处理  √
 衰弱减少攻防的比例  √
-while循环事件  √
 地图数据统计
 最大存档个数提到main处理  √
 新建地图可以保留楼层属性  √
-自定义装备的教程（个性化 - 自定义装备）  √
+增添自定义装备的教程（个性化-自定义装备）  √
 重写教程的快速上手  √
 部分Bug修复  √