diff --git a/lib/main.coffee b/lib/main.coffee
index 83893a1..f92fb65 100644
--- a/lib/main.coffee
+++ b/lib/main.coffee
@@ -8,10 +8,9 @@ module.exports =
 
     activate: (state) ->
         @subscriptions = new CompositeDisposable()
-        @updateNav('watchDir')
 
         @subscriptions.add atom.commands.add 'atom-workspace',
-            'amWiki:updateNav': => @updateNav('updateNav')
+            'amWiki:updateNav': => @updateNav()
         @subscriptions.add atom.commands.add 'atom-workspace',
             'amWiki:create': => @createWiki()
 
@@ -21,16 +20,13 @@ module.exports =
     destroy: ->
         @subscriptions.dispose()
 
-    updateNav: (type) ->
+    updateNav: ->
         editor = atom.workspace.getActiveTextEditor()
         return unless editor
         grammar = editor.getGrammar()
         return unless grammar
         return unless grammar.scopeName is 'source.gfm'
-        if type == 'updateNav'
-            navUpdate.updateNav(editor.getPath())
-        else if type == 'watchDir'
-            navUpdate.watchDir(editor.getPath())
+        navUpdate.updateNav(editor.getPath())
 
     createWiki: ->
         editor = atom.workspace.getActiveTextEditor()
@@ -59,19 +55,9 @@ module.exports =
 
         thefile = new File(editor.getPath())
 
-        if thefile.getParent().getParent().getBaseName() is 'library'
-            assetsDirPath = thefile.getParent().getParent().getParent().getPath()+"/assets"
-            creatDirPath = assetsDirPath+'/'+thefile.getParent().getBaseName()
-            writePath = assetsDirPath+'/'+thefile.getParent().getBaseName()+'/'
-            insertPath = thefile.getParent().getBaseName()+'/'
-        else 
-            if thefile.getParent().getBaseName() is 'library'
-                assetsDirPath = thefile.getParent().getParent().getPath()+"/assets"
-                creatDirPath = assetsDirPath+'/'
-                writePath = assetsDirPath+'/'
-                insertPath = ''
-            else 
-                return
+        return unless thefile.getParent().getParent().getBaseName() is 'library'
+
+        assetsDirPath = thefile.getParent().getParent().getPath()+"/assets"
 
         crypto = require "crypto"
         md5 = crypto.createHash 'md5'
@@ -79,12 +65,12 @@ module.exports =
 
         filename = "#{thefile.getBaseName().replace(/\.\w+$/, '').replace(/\s+/g,'')}-#{md5.digest('hex').slice(0,5)}.png"
 
-        @createDirectory creatDirPath, ()=>
-            @writePng writePath, filename, imgbuffer, ()=>
+        @createDirectory assetsDirPath+'/'+thefile.getParent().getBaseName(), ()=>
+            @writePng assetsDirPath+'/'+thefile.getParent().getBaseName()+'/', filename, imgbuffer, ()=>
                 # ascClip = "assets/#{filename}"
                 # clipboard.writeText(ascClip)
 
-                @insertUrl "![](assets/#{insertPath}#{filename})", editor
+                @insertUrl "![](library/assets/#{thefile.getParent().getBaseName()}/#{filename})",editor
 
         return false
 
diff --git a/lib/navUpdate.js b/lib/navUpdate.js
index cbd8c5e..153da5c 100644
--- a/lib/navUpdate.js
+++ b/lib/navUpdate.js
@@ -15,24 +15,6 @@ var readDir = function (path, callback) {
         }
     });
 };
-var createMD = function(data){ 
-    var markdown = '';
-    markdown += '\n#### [首页](# "返回首页") ####\n';
-    for (var dir in data) {
-        if (data.hasOwnProperty(dir)) {
-            if (dir == 'assets') {
-                continue;
-            }
-            markdown += '\n##### ' + dir.substring(3) + ' #####\n';
-            for (var i = 0; i < data[dir].length; i++) {
-                var name = data[dir][i].split('.md')[0];
-                markdown += '- [' + name.substring(4) + '](#file=' +
-                    dir + '/' + name + ' "' + name.substring(4) + '")\n'
-            }
-        }
-    }
-    return markdown;
-};
 
 module.exports = {
     updateNav: function (editorPath) {
@@ -43,26 +25,23 @@ module.exports = {
         var path = editorPath.split('library')[0] + 'library/';
         readDir(path, function (err, data) {
             if (!err) {
-            	var markdown = createMD(data);
-    			fs.writeFileSync(path + '_navigation_.md', markdown, 'utf-8');
+                var markdown = '';
+                markdown += '\n#### [首页](# "返回首页") ####\n';
+                for (var dir in data) {
+                    if (data.hasOwnProperty(dir)) {
+                        if (dir == 'assets') {
+                            continue;
+                        }
+                        markdown += '\n##### ' + dir.substring(3) + ' #####\n';
+                        for (var i = 0; i < data[dir].length; i++) {
+                            var name = data[dir][i].split('.md')[0];
+                            markdown += '- [' + name.substring(4) + '](#file=' +
+                                dir + '/' + name + ' "' + name.substring(4) + '")\n'
+                        }
+                    }
+                }
+                fs.writeFileSync(path + '_navigation_.md', markdown, 'utf-8');
             }
         });
-    },
-    watchDir: function(editorPath) { 
-        console.log(editorPath);
-        if (editorPath.indexOf('library') < 0) {
-            return;
-        }
-        var path = editorPath.split('library')[0] + 'library/';
-        fs.watch(path, function(event, fileName){ 
-        	if (fileName != '_navigation_.md') { 
-		        readDir(path, function (err, data) {
-		            if (!err) {
-		            	var markdown = createMD(data);
-		    			fs.writeFileSync(path + '_navigation_.md', markdown, 'utf-8');
-		            }
-		        });
-        	}
-        });
     }
 }
\ No newline at end of file
diff --git a/menus/awiki.cson b/menus/awiki.cson
index 614b5fe..2794fd5 100644
--- a/menus/awiki.cson
+++ b/menus/awiki.cson
@@ -4,7 +4,7 @@
     'submenu': [{ 
            'label': 'amWiki 文库', 
            'submenu': [{
-                'label': '手动刷新 “_navigation_.md”',
+                'label': '刷新 “_navigation_.md”',
                 'command': 'amWiki:updateNav'
            },{
                 'label': '通过 “config.json” 文件创建新amWiki文库',