diff --git a/lib/automatic.js b/lib/automatic.js
index 1edb020..e67ba43 100644
--- a/lib/automatic.js
+++ b/lib/automatic.js
@@ -16,13 +16,15 @@ module.exports = {
     subscriptions: null,
     //目录树的引用
     treeView: null,
+    //当文库数量变化时
+    onLibrariesChange: null,
     //监听发起
     start: function (state) {
         if (state.libraryList.length == 0) {
             return;
         }
         var that = this;
-        //循环检查library
+        //检查library是否仍然存在，删除不存在的库
         state.libraryList = directories.eachLibrary(state.libraryList);
         var libraryMD5 = {};
         for (var i = 0; i < state.libraryList.length; i++) {
@@ -32,7 +34,7 @@ module.exports = {
         //监听用户操作
         this.subscriptions = new CompositeDisposable();
         this.subscriptions.add(atom.commands.onDidDispatch(function (e) {
-            console.log('commands:', e.type);
+            //console.log('commands:', e.type);
             //重命名、新增文件夹或文件、创建副本事件
             if (/core\:confirm/.test(e.type) && e.target.className == 'editor mini is-focused') {
                 that.toCheckLib(state);
@@ -45,12 +47,36 @@ module.exports = {
             else if (e.type == 'tree-view:remove-project-folder') {
             }
         }));
-        //当编辑器打开一个文件时
-        this.subscriptions.add(atom.workspace.onDidOpen(function (e) {
+        //当编辑器打开一个文件时的回调
+        this.subscriptions.add(atom.workspace.onDidOpen(function () {
         }));
-        //当项目(路径)数量变化(即添加或删除项目)时
-        this.subscriptions.add(atom.project.onDidChangePaths(function (e) {
-            console.log(e);
+        //当项目(路径)数量变化时的回调(即添加或删除项目)
+        this.subscriptions.add(atom.project.onDidChangePaths(function (list) {
+            //文库列表比对，移除失效，添加新增
+            var list2 = [];
+            for (var i = 0; i < list.length; i++) {
+                list[i] = list[i].replace(/\\/g, '/') + '/library/';
+                for (var j = 0; j < state.libraryList.length; j++) {
+                    if (list[i] == state.libraryList[j]) {
+                        list2.push(state.libraryList[j]);
+                        list[i] = null;
+                    }
+                }
+            }
+            for (var k = 0; k < list.length; k++) {
+                if (list[k] && directories.isAmWiki(list[k])) {
+                    list2.push(list[k]);
+                }
+            }
+            state.libraryList = list2;
+            //MD5同步变化
+            var libraryMD5 = {};
+            for (var ii = 0; ii < state.libraryList.length; ii++) {
+                libraryMD5[state.libraryList[ii]] = state.libraryMD5[state.libraryList[ii]];
+            }
+            state.libraryMD5 = libraryMD5;
+            //回调通知 main.js 文库数已变化
+            that.onLibrariesChange && that.onLibrariesChange();
         }));
         //从树形模块监听拖拽操作
         atom.packages.activatePackage('tree-view').then(function (pkg) {
@@ -155,6 +181,6 @@ module.exports = {
     },
     //释放监听
     destroy: function () {
-        this.subscriptions.dispose();
+        this.subscriptions && this.subscriptions.dispose();
     }
 };
\ No newline at end of file
diff --git a/lib/directories.js b/lib/directories.js
index 11dd6c1..11b125e 100644
--- a/lib/directories.js
+++ b/lib/directories.js
@@ -53,7 +53,7 @@ module.exports = {
                                             files.push(path4);
                                         }
                                     }
-                                } catch(err) {
+                                } catch (err) {
                                     callback(err);
                                     return;
                                 }
@@ -78,6 +78,7 @@ module.exports = {
     eachLibrary: function (list, stepCallback) {
         var list2 = [];
         var path = '';
+        var atomProjects = atom.project.getPaths();
         for (var i = 0; i < list.length; i++) {
             //路径缺乏library字段弃用
             if (list[i].indexOf('library') < 0) {
@@ -89,13 +90,25 @@ module.exports = {
                 continue;
             }
             //路径重复弃用
-            var hsPath = false;
+            var pathRepeat = false;
             for (var j = 0; j < list2.length; j++) {
                 if (list2[j] == list[i]) {
-                    hsPath = true;
+                    pathRepeat = true;
+                    break;
                 }
             }
-            if (hsPath) {
+            if (pathRepeat) {
+                continue;
+            }
+            //如果atom已经移除此项目，弃用
+            var pathUseful = false;
+            for (var k = 0; k < atomProjects.length; k++) {
+                if (atomProjects[k].replace(/\\/g, '/') + '/library/' == path) {
+                    pathUseful = true;
+                    break;
+                }
+            }
+            if (!pathUseful) {
                 continue;
             }
             //有用路径
@@ -103,5 +116,16 @@ module.exports = {
             stepCallback && stepCallback(list[i]);
         }
         return list2;
+    },
+    //判断一个文件夹是否为文库项目
+    isAmWiki: function (path) {
+        path = path.indexOf('library') < 0 ? path : path.split('library')[0];
+        var states = [
+            fs.existsSync(path + '/library/'),
+            fs.existsSync(path + '/amWiki/'),
+            fs.existsSync(path + '/config.json'),
+            fs.existsSync(path + '/index.html')
+        ];
+        return states[0] && states[1] && states[2] && states[3];
     }
 };
\ No newline at end of file
diff --git a/lib/main.js b/lib/main.js
index b43a0e0..e27c08c 100644
--- a/lib/main.js
+++ b/lib/main.js
@@ -30,38 +30,43 @@ module.exports = {
     activate: function (state) {
         var that = this;
         this.state = state;
-        this.state.libraryList = this.state.libraryList || [];  //文库列表记录
-        this.state.libraryMD5 = this.state.libraryMD5 || {};  //文库文件MD5
+        //文库列表记录
+        this.state.libraryList = this.state.libraryList || [];
+        //文库列表地址MD5，检查文库变化时创建
+        this.state.libraryMD5 = this.state.libraryMD5 || {};
         //amWiki命令
         this.subscriptions = new CompositeDisposable();
         this.subscriptions.add(atom.commands.add('atom-workspace', {
             //命令，基于当前config.json创建wiki
-            'amWiki:create': function (e) {
+            'amWiki:create': function () {
                 creator.create(that.state);
             },
             //命令，在当前文档上抓取h2、h3为页内目录
-            'amWiki:catalogue': function (e) {
+            'amWiki:catalogue': function () {
                 catalogue.make();
             },
             //命令，手动更新当前文库导航
-            'amWiki:makeNav': function (e) {
+            'amWiki:makeNav': function () {
                 makeNav.update(that.state);
             },
             //命令，粘帖截图
-            'amWiki:paste': function (e) {
+            'amWiki:paste': function () {
                 pasterImg.paster();
             },
             //命令，启动node静态服务器
-            'amWiki:runServer': function (e) {
+            'amWiki:runServer': function () {
                 webServer.run(that.state.libraryList);
             },
             //命令，浏览打开当前页面
-            'amWiki:browser': function (e) {
+            'amWiki:browser': function () {
                 webServer.browser(that.state.libraryList);
             }
         }));
         //自动化模块启动
         automatic.start(this.state);
+        automatic.onLibrariesChange = function () {
+            webServer.updateMap(that.state.libraryList);
+        };
     },
     //当atom即将关闭，终止所有监听
     deactivate: function () {
diff --git a/lib/makeNav.js b/lib/makeNav.js
index bdde2f9..d2131ff 100644
--- a/lib/makeNav.js
+++ b/lib/makeNav.js
@@ -14,18 +14,12 @@ module.exports = {
             return;
         }
         var grammar = editor.getGrammar();
-        if (!grammar) {
-            return;
-        }
-        if (grammar.scopeName !== 'source.gfm') {
-            return;
-        }
-        if (editor.getPath().indexOf('library') < 0) {
-            alert('只有当你打开一个位于library文件夹下的文件时，才能更新导航文件！');
+        if (!grammar || grammar.scopeName !== 'source.gfm' || editor.getPath().indexOf('library') < 0) {
+            alert('只有当你打开library文件夹下的文档时，才能手动更新导航文件！');
             return;
         }
         this.refresh(editor.getPath(), function (libPath) {
-            //如果当前文库没有监听，恢复监听
+            //如果当前文库没有记录，添加记录
             var hs, i;
             i = 0;
             hs = false;
diff --git a/lib/webServer.js b/lib/webServer.js
index 88b48c9..d2643e0 100644
--- a/lib/webServer.js
+++ b/lib/webServer.js
@@ -122,13 +122,18 @@ module.exports = {
         }).listen(5171);
         console.info('Server running at http://' + getLocalIP() + ':5171/');
     },
-    //启动服务器
-    run: function (list) {
+    //更新映射列表
+    updateMap: function(list) {
+        this.mappingList = {};
         for (var i = 0; i < list.length; i++) {
             var path = list[i].replace('library/', '');
             //缩短数字并设置为地址映射名
             this.mappingList['wiki' + this.createMappingId(path)] = path;
         }
+    },
+    //启动服务器
+    run: function (list) {
+        this.updateMap(list);
         if (!this.server) {
             this.createServer();
         }