diff --git a/.gitignore.swp b/.gitignore.swp
deleted file mode 100644
index 42fdc649..00000000
Binary files a/.gitignore.swp and /dev/null differ
diff --git a/src/node_modules/db.js b/src/node_modules/db.js
index 4be687d4..fa6c512b 100644
--- a/src/node_modules/db.js
+++ b/src/node_modules/db.js
@@ -1,28 +1,2 @@
-var Datastore = require('nedb');
-var path = require('path');
-var Evt = require('evt');
-
-// 数据库初始化
-// var dbPath = require('nw.gui').App.dataPath + '/nedb';
-// var dbPath = Evt.getBasePath() + '/Users/life/Library/Application Support/Leanote' + '/nedb';
-// nedb2 为了port
-var dbPath = Evt.getBasePath() + '/nedb2';
-// console.error(dbPath);
-
-// test
-if(dbPath.length < 6) {
-	var dbPath = '/Users/life/Library/Application Support/Leanote' + '/nedb2';
-}
-
-// console.log(dbPath);
-// g, 表全局环境
-var db = {};
-var dbNames = ['notebooks', 'notes', 'users', 'tags', 'images', 'attachs', 'noteHistories', 'g'];
-for(var i in dbNames) {
-	var name = dbNames[i];
-	var p = path.join(dbPath, name + '.db');
-	// console.log(p);
-	db[name] = new Datastore({ filename: p, autoload: true });
-}
-module.exports = db; 
-console.log('db inited');
\ No newline at end of file
+// adapter
+module.exports = require('./db/db_sqlite');
\ No newline at end of file
diff --git a/src/node_modules/db/db_nedb.js b/src/node_modules/db/db_nedb.js
new file mode 100644
index 00000000..2b189744
--- /dev/null
+++ b/src/node_modules/db/db_nedb.js
@@ -0,0 +1,28 @@
+var Datastore = require('nedb');
+var path = require('path');
+var Evt = require('../evt');
+
+// 数据库初始化
+// var dbPath = require('nw.gui').App.dataPath + '/nedb';
+// var dbPath = Evt.getBasePath() + '/Users/life/Library/Application Support/Leanote' + '/nedb';
+// nedb2 为了port
+var dbPath = Evt.getBasePath() + '/nedb2';
+// console.error(dbPath);
+
+// test
+if(dbPath.length < 6) {
+	var dbPath = '/Users/life/Library/Application Support/Leanote' + '/nedb2';
+}
+
+// console.log(dbPath);
+// g, 表全局环境
+var db = {};
+var dbNames = ['notebooks', 'notes', 'users', 'tags', 'images', 'attachs', 'noteHistories', 'g'];
+for(var i in dbNames) {
+	var name = dbNames[i];
+	var p = path.join(dbPath, name + '.db');
+	// console.log(p);
+	db[name] = new Datastore({ filename: p, autoload: true });
+}
+module.exports = db; 
+console.log('db inited');
\ No newline at end of file
diff --git a/src/node_modules/db/db_sqlite.js b/src/node_modules/db/db_sqlite.js
new file mode 100644
index 00000000..ec7ad439
--- /dev/null
+++ b/src/node_modules/db/db_sqlite.js
@@ -0,0 +1,646 @@
+var sqlite3 = require('sqlite3');
+var path = require('path');
+var Evt = require('../evt');
+
+var fs = require('fs');
+
+// 数据库初始化
+var dbPath = Evt.getBasePath() + '/sqlite3';
+
+// test
+if(dbPath.length < 6) {
+	var dbPath = '/Users/life/Library/Application Support/Leanote' + '/sqlite3';
+}
+
+// g, 表全局环境
+var dbs = {};
+var dbNames = ['notebooks', 'notes', 'users', 'tags', 'images', 'attachs', 'noteHistories', 'g'];
+var sqls = {
+	'notebooks': {
+		'create': ['create table %t(',
+			'NotebookId TEXT PRIMARY KEY,', 
+			'ServerNotebookId TEXT,',
+			'UserId TEXT,', 
+			'ParentNotebookId TEXT default "",', 
+			'Seq INTEGER default -1,', 
+			'Title TEXT,', 
+			'UrlTitle TEXT,', 
+			'NumberNotes INTEGER default 0,', 
+			'IsTrash INTEGER default 0,', 
+			'IsBlog INTEGER default 0,', 
+			'CreatedTime TEXT,', 
+			'UpdatedTime TEXT,', 
+			'IsDeleted INTEGER default 0,', 
+			'LocalIsDelete INTEGER default 0,', 
+			'IsDirty INTEGER default 0,', 
+			'LocalIsNew INTEGER default 0,',
+			'Usn INTEGER default 0',
+		')'].join(' '),
+		'index': [
+			'CREATE INDEX UserId_index ON %t (UserId)', 
+			'CREATE INDEX ServerNotebookId_index ON %t (ServerNotebookId)',
+			'CREATE INDEX Title_index ON %t(Title)', 
+			'CREATE INDEX IsDirty_index ON %t(IsDirty)'
+		], 
+	},
+	// attachs 用json存
+	'notes': {
+		'create': ['create table %t(',
+			'NoteId TEXT PRIMARY KEY,',
+			'NotebookId TEXT,',
+			'UserId TEXT,',
+			'Title TEXT,',
+			'Desc TEXT,',
+			'ImgSrc TEXT,',
+			'Tags TEXT,',
+			'Abstract TEXT,',
+			'Content TEXT,',
+			'IsMarkdown INTEGER,', 
+			'FromUserId TEXT,',
+			'IsBlog INTEGER default 0,', 
+			'IsTrash INTEGER default 0,', 
+			'Usn INTEGER default 0,', 
+			'CreatedTime TEXT,',
+			'UpdatedTime TEXT,',
+			'PublicTime TEXT,',
+			'InitSync INTEGER default 0,', 
+			'IsDirty INTEGER default 0,', 
+			'ServerNoteId TEXT,',
+			'IsDeleted INTEGER default 0,', 
+			'LocalIsDelete INTEGER default 0,', 
+			'Star INTEGER default 0,',
+			'LocalIsNew INTEGER default 0,',
+			'Attachs TEXT,',
+			'ContentIsDirty INTEGER default 0,',
+			'IsContentDirty INTEGER default 0',
+		')'].join(' '), 
+		'index': [
+			'CREATE INDEX NotebookId_index ON %t (NotebookId)', 
+			'CREATE INDEX Title_index ON %t (Title)', 
+			'CREATE INDEX UpdatedTime_index ON %t (UpdatedTime)', 
+			'CREATE INDEX ServerNoteId_index ON %t (ServerNoteId)', 
+			'CREATE INDEX IsDirty_index ON %t (IsDirty)', 
+		]
+	},
+	'tags': {
+		'create': ['create table %t(',
+			'TagId TEXT PRIMARY KEY,',
+			'Tag TEXT,',
+			'IsDirty INTEGER default 0,',
+			'IsDeleted INTEGER default 0,',
+			'Usn INTEGER default 0,',
+			'Count INTEGER default 0,',
+			'LocalIsDelete INTEGER default 0,',
+			'CreatedTime TEXT,',
+			'UpdatedTime TEXT',
+		')'].join(' '),
+		'index': [
+		]
+	},
+	// state 是json
+	'users': {
+		'create': ['create table %t(',
+			'_id TEXT PRIMARY KEY,',
+			'UserId TEXT,',
+			'IsActive INTEGER,',
+			'Ok INTEGER,',
+			'Token TEXT,',
+			'Email TEXT,',
+			'Usn INTEGER,',
+			'Username TEXT,',
+			'Pwd TEXT,',
+			'Host TEXT,',
+			'LastSyncTime TEXT,',
+			'LastSyncUsn INTEGER,',
+			'State TEXT',
+		')'].join(' '),
+		'index': [
+			'CREATE INDEX UserId_index ON %t (UserId)',
+			'CREATE INDEX IsActive_index ON %t (IsActive)'
+		]
+	},
+
+	'attachs': {
+		'create': ['create table %t(',
+			'FileId TEXT PRIMARY KEY,',
+			'ServerFileId TEXT,',
+			'UserId TEXT,',
+			'NoteId TEXT,',
+			'Path TEXT,',
+			'Name TEXT,',
+			'Title TEXT,',
+			'IsDirty INTEGER default 0,',
+			'Type TEXT,',
+			'Size INTEGER,',
+			'CreatedTime TEXT',
+		')'].join(' '),
+		'index': [
+		]
+	},
+
+	'images': {
+		'create': ['create table %t(',
+			'FileId TEXT PRIMARY KEY,',
+			'ServerFileId TEXT,',
+			'UserId TEXT,',
+			'NoteId TEXT,',
+			'Path TEXT,',
+			'Name TEXT,',
+			'Title TEXT,',
+			'IsDirty INTEGER default 0,',
+			'Type TEXT,',
+			'Size INTEGER,',
+			'CreatedTime TEXT',
+		')'].join(' '),
+		'index': [
+		]
+	},
+
+	'noteHistories': {
+		'create': ['create table %t(',
+			'_id TEXT PRIMARY KEY,',
+			'NoteId TEXT,',
+			'Histories TEXT,', // [{Content: "xxx", UpdatedTime: new Date()}]
+			'UpdatedTime TEXT',
+		')'].join(' '),
+		'index': [
+			'CREATE INDEX NoteId_index ON %t (NoteId)',
+			'CREATE INDEX UpdatedTime_index ON %t (UpdatedTime)'
+		]
+	},
+
+	'g': {
+		'create': ['create table %t(',
+			'_id TEXT PRIMARY KEY,',
+			'NotebookWidth INTEGER,',
+			'NoteListWidth INTEGER',
+			'MdEditorWidth INTEGER',
+			'MdEditorWidthForWritting INTEGER',
+			'opI1 INTEGER',
+			'opI2 INTEGER',
+			'opS1 TEXT',
+			'opS2 TEXT',
+			'Theme TEXT',
+		')'].join(' '),
+		'index': [
+		]
+	},
+};
+
+for(var i in dbNames) {
+	var name = dbNames[i];
+	var tablePath = path.join(dbPath, name + '.db');
+
+	var db = new sqlite3.Database(tablePath);
+	if(!fs.existsSync(tablePath)) {
+		var sql = sqls[name];
+		if(!sql) {
+			return;
+		}
+
+		db.serialize(function() {
+			var cmds = [sql.create].concat(sql.index);
+			for(var i = 0; i < cmds.length; ++i) {
+				var cmd = cmds[i].replace('%t', name);
+				// console.log('run cmd');
+				// console.log(cmd);
+				db.run(cmd);
+			}
+		});
+	}
+
+	dbs[name] = db;
+}
+
+// 每一种
+
+function BaseDb(dbname) {
+	this.dbname = dbname;
+}
+
+// 插入
+BaseDb.prototype.insert = function(data, callback) {
+	var me = this;
+	var _db = dbs[me.dbname];
+	var fields = [];
+	var values = [];
+	var valuesToken = [];
+
+	// console.log('insert data...........');
+	// console.log(JSON.stringify(data));
+
+/*
+	if(me.dbname == 'notebooks' ||
+		me.dbname == 'notes' ||
+		me.dbname == 'tags' ||
+		) {
+
+	}
+*/
+
+	for(var field in data) {
+		var value = data[field];
+
+		value = me.fixValue(field, value);
+
+		fields.push(field);
+		values.push(value);
+		valuesToken.push('?');
+	}
+	var sql = 'INSERT INTO ' + me.dbname + ' (' + fields.join(',') +') VALUES (' + valuesToken.join(',') + ')';
+	console.log(values);
+	console.log(sql);
+	_db.run(sql, values, function(err) {
+		console.log(err + '------');
+		callback && callback(err, data);
+	});
+};
+// key in ("life", "xx");
+BaseDb.prototype._in = function(key, arr) {
+	var me = this;
+	if(!arr) {
+		return '1=1';
+	}
+	for(var i = 0; i < arr; i++) {
+		arr[i] = '"' + arr[i] + '"';
+	}
+	return key + ' in ' + '(' + arr.join(',') + ')';
+};
+
+// todo
+// query = {$in: [], Tags: {$in: [title]}};
+BaseDb.prototype._where = function(query) {
+	var me = this;
+	// 返回字符串
+	var where = [];
+	for(var field in query) {
+		var value = query[field];
+		if(typeof value == 'boolean') {
+			value = value ? 1 : 0;
+			where.push(field + '="' + value + '" ');
+		}
+		else if(typeof value == 'string') {
+			where.push(field + '="' + value + '" ');
+		}
+		// 如果是日期 
+		else if(value instanceof Date) {
+
+		}	
+		// 对象类型
+		else {
+			if(field == 'Tags' && value['$in'] && value['$in'].length > 0) {
+				where.push(field + ' "LIKE %' + value['$in'][0] + '%" ');
+			}
+			// $gt ? 搜索
+			// 1) [{Title: reg}, {Content: reg}
+			// 2) [{FileId: {$in: fileIds}}, {ServerFileId: {$in: fileIds}}]
+			// 3) [{LocalIsDelete : { $exists : false }}, {LocalIsDelete: false}]
+			else if(field == '$or') {
+				// console.log(value[0]);
+				var or1 = value[0];
+				var or2 = value[1];
+
+				if(or1['Title']) {
+					var key = or1.Title.toString().replace(/\//g, '');
+					where.push(' (Title LIKE "%' + key + '%" OR Content LIKE "%' + key + '%"' + ') ');
+				}
+				else if(or1['FileId']) {
+					var fileIds = or1['FileId']['$in'];
+					var serverFileIds = or2['ServerFileId']['$in'];
+
+					var orWhere = ' (' +  me._in('FileId', fileIds) + ' OR ' + me._in('ServerFileId', serverFileIds) + ') ';
+					where.push(orWhere);
+				}
+				else if(or1['LocalIsDelete']) {
+					where.push(' LocalIsDelete="0" ');
+				}
+			}
+		}
+	}
+	return where.join(' AND ');
+};
+
+// 修复值为bool, Tags, Date, json
+BaseDb.prototype.fixValue = function(key, value) {
+	// bool
+	if(typeof value == 'boolean') {
+		value = value ? 1 : 0;
+	}
+	else if(typeof value == 'object') {
+		// Tgas
+		if(key == 'Tags' && value) {
+			value = value.join(',');
+		}
+		// 日期
+		else if(value instanceof Date) {
+			value = value.getTime();
+		}
+		// json
+		else {
+			value = JSON.stringify(value);
+		}
+	}
+	return value;
+},
+
+// update set
+BaseDb.prototype._set = function(data) {
+	var me = this;
+	data = data['$set'];
+	// 返回字符串
+	var sets = [];
+	var values = [];
+	for(var i in data) {
+		var value = data[i];
+
+		value = me.fixValue(i, value);
+
+		values.push(value);
+
+		sets.push(i + '=?');
+	}
+	return {sets: sets.join(','), values: values};
+};
+
+// 更新
+BaseDb.prototype.update = function(query, set, option, callback) {
+	var me = this;
+	var _db = dbs[me.dbname];
+
+	var where = me._where(query);
+	var setsAndValues = me._set(set);
+
+	var sql = 'UPDATE ' + me.dbname + ' ';
+	if(set) {
+		sql += ' SET ' + setsAndValues.sets;
+	}
+	if(where) {
+		sql += ' WHERE ' + where;
+	}
+
+	if(typeof option == 'function') {
+		callback = option;
+	}
+
+	// console.log(sql);
+
+	_db.run(sql, setsAndValues.values, function(err) {
+		// console.error('update error');
+		if(err) {
+			console.error(err);
+		}
+
+		callback && callback(err, err ? 0 : 1);
+	});
+};
+
+/*
+Notes.find(query).sort({'UpdatedTime': -1}).exec(function(err, notes) {
+		if(err) {
+			log(err);
+			return callback && callback(false);
+		}
+		return callback && callback(notes);
+	});
+ */
+
+BaseDb.prototype.fixTime = function(row) {
+	if(!row) {
+		return;
+	}
+	row.CreatedTime && (row.CreatedTime = new Date(Math.floor(row.CreatedTime)));
+	row.UpdatedTime && (row.UpdatedTime = new Date(Math.floor(row.UpdatedTime)));
+	row.PublicTime && (row.PublicTime = new Date(Math.floor(row.PublicTime)));
+};
+
+BaseDb.prototype.fixRow = function(row) {
+	return row;
+};
+
+BaseDb.prototype.fixRows = function(rows) {
+	if(!rows) {
+		return;
+	}
+	for(var i = 0; i < rows.length; ++i) {
+		if(rows[i]) {
+			this.fixTime(rows[i]);
+			rows[i] = this.fixRow(rows[i]);
+		}
+	}
+	return rows;
+};
+BaseDb.prototype._find = (function() {
+	var me;
+
+	// var me = this;
+	function F(upper, dbname, query, callback) {
+		me = upper;
+		this.dbname = dbname;
+		this.query = query;
+		this.callback = callback;
+
+		if(callback) {
+			this.exec(callback);
+		}
+	}
+	// limit 15 offset 20 跳过20条记录选出15条记录
+	F.prototype.limit = function(limit, offset) {
+		this.limitQ = limit;
+		this.offset = offset;
+		return this;
+	}
+	F.prototype.sort = function(sort) {
+		this.sortQ = sort;
+		return this;
+	}
+	F.prototype.exec = function(callback) {
+		var where = me._where(this.query);
+
+		// select * from dbname where xxxx order by title desc, createdTime asc
+
+		var sql = 'select * from ' + this.dbname;
+		if (where) { 
+			sql += ' where ' + where;
+		}
+
+		if(this.sortQ) {
+			var sortArr = [];
+			for(var i in this.sortQ) {
+				var sortType = this.sortQ[i] < 0 ? 'DESC' : 'ASC';
+				sortArr.push(i + ' ' + sortType + ' ');
+			}
+
+			var sortStr = sortArr.join(', ');
+			if(sortStr) {
+				sql += ' order by ' + sortStr;
+			}
+		}
+
+		if(this.limitQ) {
+			sql += ' limit ' + this.limitQ;
+		}
+		if(this.offset) {
+			sql +=' offset ' + this.offset;
+		}
+
+		console.log(sql);
+		console.log(me.dbname);
+
+		dbs[me.dbname].all(sql, function(err, rows) {
+			var rows = me.fixRows(rows);
+			callback && callback(err, rows);
+		});
+	}
+	return F;
+})();
+
+// 查找
+BaseDb.prototype.find = function(query, callback) {
+	var me = this;
+	return new this._find(this, me.dbname, query, callback);
+};
+
+BaseDb.prototype.findOne = function(query, callback) {
+	var me = this;
+	var q = new this._find(this, me.dbname, query);
+	q.limit(1).exec(function(err, rows) {
+		if(!err && rows && rows.length > 0) {
+			var rows = me.fixRows(rows);
+			console.log(rows + '>>>>>>>>>>>>>>>>>');
+			callback && callback(err, rows[0]);
+		}
+		else {
+			callback && callback(err, false);
+		}
+	});
+};
+
+// ok
+BaseDb.prototype.count = function(query, callback) {
+	var me = this;
+	var sql = 'select count(*) as count from ' + me.dbname;
+	var where = this._where(query);
+	if(where) {
+		sql += ' where ' + where;
+	}
+	dbs[me.dbname].all(sql, function(err, rows) {
+		if(!err && rows) {
+			var row = rows[0];
+			callback && callback(err, row['count']);
+		}
+		else {
+			callback && callback(err, rows);
+		}
+
+	});
+};
+
+/*
+Notes.remove({_id: note._id}, function(err, n) {
+	if(err) { 
+		callback && callback(false);
+	} else {
+		Notebook.reCountNotebookNumberNotes(note.NotebookId);
+		callback && callback(true);
+	}
+});
+*/
+BaseDb.prototype.remove = function(query, callback) {
+	var me = this;
+	var sql = 'delete from ' + me.dbname;
+	var where = this._where(query);
+	if(where){ 
+		sql += ' where ' + where;
+	}
+	dbs[me.dbname].run(sql, function(err) {
+		callback && callback(err, err ? 0 : 1);
+	});
+};
+
+// 子类继承之
+
+function Notebooks() {}
+Notebooks.prototype = new BaseDb('notebooks');
+
+function Notes() {}
+Notes.prototype = new BaseDb('notes');
+Notes.prototype.fixRow = function(row) {
+	if(!row) {
+		return;
+	}
+	if(row.Tags && typeof Tags == 'string') {
+		row.Tags = row.Tags.split(',');
+	}
+	try {
+		row.Attachs && (row.Attachs = JSON.parse(row.Attachs));
+	} catch(e) {
+		row.Attachs = null;
+	}
+	return row;
+};
+
+function Tags() {}
+Tags.prototype = new BaseDb('tags');
+
+function Users() {}
+Users.prototype = new BaseDb('users');
+Users.fixRow = function(row) {
+	var State = row['State'];
+	if(!State) {
+		return row;
+	}
+	row.State = JSON.parse(State);
+	return row;
+}
+
+function Attachs() {}
+Attachs.prototype = new BaseDb('attachs');
+
+function Images() {}
+Images.prototype = new BaseDb('images');
+
+function NoteHistories() {}
+NoteHistories.prototype = new BaseDb('noteHistories');
+NoteHistories.fixRow = function(row) {
+	var Histories = row['Histories'];
+	if(!Histories) {
+		return row;
+	}
+	row.Histories = JSON.parse(Histories);
+	return row;
+}
+function G() {}
+G.prototype = new BaseDb('g');
+
+var exports = {
+	notebooks: new Notebooks(),
+	notes: new Notes(),
+	tags: new Tags(),
+	users: new Users(),
+	attachs: new Attachs(),
+	images: new Images(),
+	noteHistories: new NoteHistories(),
+	g: new G()
+};
+
+/*
+notes.insert({NoteId: 'xxx3', 'title': "你好吗?", 'NotebookId': 'life', Tags: ['red', '你好'], CreatedTime: new Date()}, function(err, data){ 
+	console.log(err);
+});
+notes.update({NoteId: 'xxx3'}, {$set: {title: "你知道的", Tags: [], CreatedTime: new Date()}}, function(err) {
+	console.log(err);
+});
+notes.remove({NoteId: 'xxx3'}, function(err, rows) {
+	console.log("??");
+	console.log(err);
+	console.log(rows);
+});
+
+exports.notes.find({'$or': [{Title: new RegExp("你")}]}).sort({Title: -1}).exec(function(err, rows) {
+	console.log(err);
+	console.log(rows);
+});
+*/
+
+module.exports = exports; 
+console.log('sqlite3 db inited');
\ No newline at end of file
diff --git a/src/node_modules/db_sqlite.js b/src/node_modules/db_sqlite.js
deleted file mode 100644
index 7290d76c..00000000
--- a/src/node_modules/db_sqlite.js
+++ /dev/null
@@ -1,475 +0,0 @@
-var sqlite3 = require('sqlite3');
-var path = require('path');
-var fs = require('fs');
-var Evt = require('evt');
-
-// 数据库初始化
-// var dbPath = require('nw.gui').App.dataPath + '/nedb';
-// var dbPath = Evt.getBasePath() + '/Users/life/Library/Application Support/Leanote' + '/nedb';
-// nedb2 为了port
-var dbPath = Evt.getBasePath() + '/sqlite3';
-// console.error(dbPath);
-
-// test
-if(dbPath.length < 6) {
-	var dbPath = '/Users/life/Library/Application Support/Leanote' + '/sqlite3';
-}
-
-// console.log(dbPath);
-// g, 表全局环境
-var dbs = {};
-var dbNames = ['notebooks', 'notes', 'users', 'tags', 'images', 'attachs', 'noteHistories', 'g'];
-var sqls = {
-	'notebooks': {
-		'create': `create table %t(
-			NotebookId TEXT PRIMARY KEY, 
-			ServerNotebookId TEXT, 
-			UserId TEXT, 
-			ParentNotebookId TEXT, 
-			Seq INTEGER, 
-			Title TEXT, 
-			UrlTitle TEXT, 
-			NumberNotes INTEGER, 
-			IsTrash INTEGER, 
-			IsBlog INTEGER, 
-			CreatedTime TEXT, 
-			UpdatedTime TEXT, 
-			IsDeleted INTEGER, 
-			IsDirty INTEGER, 
-			LocalIsNew INTEGER
-		)`,
-		'index': [
-			'CREATE INDEX UserId_index ON %t (UserId)', 
-			'CREATE INDEX ServerNotebookId_index ON %t (ServerNotebookId)',
-			'CREATE INDEX Title_index ON %t(Title)', 
-			'CREATE INDEX IsDirty_index ON %t(IsDirty)'
-		], 
-	},
-	// attachs 用json存
-	'notes': {
-		'create': `create table %t(
-			NoteId TEXT PRIMARY KEY,
-			NotebookId TEXT,
-			UserId TEXT,
-			Title TEXT,
-			Desc TEXT,
-			ImgSrc TEXT,
-			Tags TEXT,
-			Abstract TEXT,
-			Content TEXT,
-			IsMarkdown INTEGER, 
-			FromUserId TEXT,
-			IsBlog INTEGER, 
-			IsTrash INTEGER, 
-			Usn INTEGER, 
-			CreatedTime TEXT,
-			UpdatedTime TEXT,
-			PublicTime TEXT,
-			InitSync INTEGER, 
-			IsDirty INTEGER, 
-			ServerNoteId TEXT,
-			LocalIsDelete INTEGER,
-			Star INTEGER,
-			LocalIsNew INTEGER,
-			Attachs TEXT,
-			IsContentDirty INTEGER
-		)`, 
-		'index': [
-			'CREATE INDEX NotebookId_index ON %t (NotebookId)', 
-			'CREATE INDEX Title_index ON %t (Title)', 
-			'CREATE INDEX UpdatedTime_index ON %t (UpdatedTime)', 
-			'CREATE INDEX ServerNoteId_index ON %t (ServerNoteId)', 
-			'CREATE INDEX IsDirty_index ON %t (IsDirty)', 
-		]
-	},
-	'tags': {
-		'create': `create table %t(
-			TagId TEXT PRIMARY KEY,
-			Tag TEXT,
-			IsDirty INTEGER,
-			Usn INTEGER,
-			Count INTEGER,
-			LocalIsDelete INTEGER,
-			CreatedTime TEXT,
-			UpdatedTime TEXT
-		)`,
-		'index': [
-		]
-	},
-	// state 是json
-	'users': {
-		'create': `create table %t(
-			UserId TEXT PRIMARY KEY,
-			IsActive INTEGER,
-			Ok INTEGER,
-			Token TEXT,
-			Email TEXT,
-			Usn INTEGER,
-			Username TEXT,
-			Pwd TEXT,
-			Host TEXT,
-			LastSyncTime TEXT,
-			LastSyncUsn INTEGER,
-			State TEXT
-		)`,
-		'index': [
-			'CREATE INDEX IsActive_index ON %t (IsActive)'
-		]
-	},
-
-	'attachs': {
-		'create': `create table %t(
-			FileId TEXT PRIMARY KEY,
-			ServerFileId TEXT,
-			UserId TEXT,
-			NoteId TEXT,
-			Path TEXT,
-			Name TEXT,
-			Title TEXT,
-			IsDirty INTEGER,
-			Type TEXT,
-			Size INTEGER,
-			CreatedTime TEXT
-		)`,
-		'index': [
-		]
-	},
-
-	'images': {
-		'create': `create table %t(
-			FileId TEXT PRIMARY KEY,
-			ServerFileId TEXT,
-			UserId TEXT,
-			NoteId TEXT,
-			Path TEXT,
-			Name TEXT,
-			Title TEXT,
-			IsDirty INTEGER,
-			Type TEXT,
-			Size INTEGER,
-			CreatedTime TEXT
-		)`,
-		'index': [
-		]
-	},
-
-	'noteHistories': {
-		'create': `create table %t(
-			HistoryId TEXT PRIMARY KEY,
-			NoteId TEXT,
-			Content TEXT,
-			UpdatedTime TEXT
-		)`,
-		'index': [
-			'CREATE INDEX NoteId_index ON %t (NoteId)',
-			'CREATE INDEX UpdatedTime_index ON %t (UpdatedTime)'
-		]
-	},
-
-	// g必须吗 ?
-
-}
-for(var i in dbNames) {
-	var name = dbNames[i];
-	var tablePath = path.join(dbPath, name + '.db');
-
-	if(!fs.existsSync(tablePath)) {
-		var db = new sqlite3.Database(tablePath);
-		var sql = sqls[name];
-		if(!sql) {
-			return;
-		}
-
-		db.serialize(function() {
-			var cmds = [sql.create].concat(sql.index);
-			for(var i = 0; i < cmds.length; ++i) {
-				var cmd = cmds[i].replace('%t', name);
-				console.log('run cmd');
-				console.log(cmd);
-				db.run(cmd);
-			}
-		});
-
-		dbs.'_' + name = db;
-	}
-}
-
-// 每一种
-
-var nedb2Sqlite = {
-	/*
-	Notes.insert(noteOrContent, function (err, newDoc) { 
-	},
-
-	Notes.update(
-			{UserId: userId, IsTrash: true}, 
-			{$set: {LocalIsDelete: true, IsDirty: true}}, 
-			{multi: true}, 
-			function(err, n) {
-				// Web.alertWeb(n);
-				callback && callback();
-		});
-
-	Notes.update({NoteId: noteOrContent.NoteId}, { $set: updates }, {}, function (err, numReplaced) { 
-						if(err) {
-
-	Notes.find(query).sort({'UpdatedTime': -1}).exec(function(err, notes) {
-			if(err) {
-				log(err);
-				return callback && callback(false);
-			}
-			return callback && callback(notes);
-		});
-
-	Notes.count({NotebookId: notebookId, IsTrash: false, LocalIsDelete: false}, function(err, n) {
-			console.log(n);
-			if(err || n > 0) {
-				return callback(true);
-			}
-			callback(false);
-		});
-
-	Notes.findOne({NoteId: noteId}, function(err, doc) {
-			if(err || !doc) {
-				log('不存在');
-				callback && callback(false);
-			} else {
-				callback && callback(doc);
-			}
-		});
-
-
-	Notes.remove({_id: note._id}, function(err, n) {
-		if(err) { 
-			callback && callback(false);
-		} else {
-			Notebook.reCountNotebookNumberNotes(note.NotebookId);
-			callback && callback(true);
-		}
-	});
-	*/
-
-	// 插入
-	insert: function(dbname, data, callback) {
-		var me = this;
-		var _db = dbs[dbname];
-		var fields = [];
-		var values = [];
-		var valuesToken = [];
-		for(var field in data) {
-			var value = data[field];
-
-			value = me.fixValue(field, value);
-
-			fields.push(field);
-			values.push(value);
-			valuesToken.push('?');
-		}
-		_db.run('INSERT INTO ' + dbname + ' (' + fields.join(',') +') VALUES (' + valuesToken.join(',') + ')', values, function(err) {
-			callback && callback(err, data);
-		});
-	},
-
-	// todo
-	// query = {$in: [], Tags: {$in: [title]}};
-	_where: function(query) {
-		// 返回字符串
-		var where = [];
-		for(var field in query) {
-			var value = query[field];
-			if(typeof value == 'boolean') {
-				value = value ? 1 : 0;
-			}
-			else if(typeof value == 'string') {
-				where.push(field + '="' + v + '" ');
-			}
-			// 如果是日期 
-			else if(value instanceof Date) {
-
-			}	
-			// 对象类型
-			else {
-				if(field == 'Tags' && value['$in'] && value['$in'].length > 0) {
-					where.push(field + ' "LIKE %' + value['$in'][0] + '%" ');
-				}
-				// $gt ?
-				else {
-
-				}
-			}
-		}
-		return where.join('AND');
-	},
-
-	// 修复值为bool, Tags, Date, json
-	fixValue: function(key, value) {
-		// bool
-		if(typeof value == 'boolean') {
-			value = value ? 1 : 0;
-		}
-		else if(typeof value == 'object') {
-			// Tgas
-			if(field == 'Tags') {
-				value = value.join(',');
-			}
-			// 日期
-			else if(value instanceof Date) {
-				value = value.getTime();
-			}
-			// json
-			else {
-				value = JSON.stringify(value);
-			}
-		}
-		return value;
-	},
-
-	// update set
-	_set: function(data) {
-		var me = this;
-		data = data['$set'];
-		// 返回字符串
-		var set = [];
-		for(var i in data) {
-			var value = data[i];
-
-			value = me.fixValue(i, value);
-
-			set.push(i + '="' + value + '"');
-		}
-		return set.join(',');
-	},
-
-	// 更新
-	update: function(dbname, query, set, option, callback) {
-		var me = this;
-		var _db = dbs[dbname];
-
-		var where = me._where(query);
-		var set = me._set(set);
-
-		var sql = 'UPDATE tbl SET ' + set;
-		if(where) {
-			sql += ' WHERE ' + where;
-		}
-
-		if(typeof option == 'function') {
-			callback = option;
-		}
-
-		_db.run(sql, function(err) {
-			callback && callback(err, err ? 0 : 1);
-		});
-	},
-
-	/*
-	Notes.find(query).sort({'UpdatedTime': -1}).exec(function(err, notes) {
-			if(err) {
-				log(err);
-				return callback && callback(false);
-			}
-			return callback && callback(notes);
-		});
-	 */
-	_find: (function() {
-		var me = this;
-		function F(dbname, query, callback) {
-			this.query = query;
-			this.callback = callback;
-
-			if(callback) {
-				this.exec(callback);
-			}
-		}
-		// limit 15 offset 20 跳过20条记录选出15条记录
-		F.prototype.limit = function(limit, offset) {
-			this.limitQ = limit;
-			this.offset = offset;
-		}
-		F.prototype.sort = function(sort) {
-			this.sortQ = sort;
-		}
-		F.prototype.exec = function(callback) {
-			if(callback) {
-				this.callback = callback;
-			}
-			var where = me._where(query);
-
-			// select * from dbname where xxxx order by title desc, createdTime asc
-			var _db = dbs[this.dbname];
-
-			var sql = 'select * from ' + this.dbname;
-			if (where) { 
-				sql += ' where ' + where;
-			}
-
-			if(this.sortQ) {
-				var sortArr = [];
-				for(var i in this.sortQ) {
-					var sortType = this.sortQ[i] < 0 ? 'DESC' : 'ASC';
-					sortArr.push(i + ' ' + sortType + ' ');
-				}
-
-				sql += ' sort by ' + sortArr.join(', ');
-			}
-
-			if(this.limitQ) {
-				sql += ' limit ' + this.limitQ;
-			}
-			if(this.offset) {
-				sql +=' offset ' + this.offset;
-			}
-
-			_db.all(sql, function(err, rows) {
-				this.callback && this.callback(err, rows);
-			});
-		}
-		return F;
-	})(),
-
-	// 查找
-	find: function(dbname, query, callback) {
-		return new this._find(dbname, query, callback);
-	},
-	findOne: function(dbname, query, callback) {
-		var q = new this._find(dbname, query);
-		q.limit(1).exec(callback);
-	},
-	// TODO
-	count: function(dbname, query, callback) {
-		var sql = 'select count(*) from ' + dbname;
-		var where = this._where(query);
-		if(where) {
-			sql += ' where ' + where;
-		}
-		dbs[dbname].all(sql, function(err, rows) {
-
-		})
-	},
-
-	/*
-	Notes.remove({_id: note._id}, function(err, n) {
-		if(err) { 
-			callback && callback(false);
-		} else {
-			Notebook.reCountNotebookNumberNotes(note.NotebookId);
-			callback && callback(true);
-		}
-	});
-	*/
-	remove: function(dbname, query, callback) {
-		var sql = 'delete from ' + dbname;
-		var where = this._where(query);
-		if(where){ 
-			sql += ' where ' + where;
-		}
-		db.run(sql, function(err) {
-			callback && callback(err, err ? 0 : 1);
-		});
-	}
-};
-
-
-
-module.exports = dbs; 
-console.log('sqlite3 db inited');
\ No newline at end of file
diff --git a/src/node_modules/note.js b/src/node_modules/note.js
index 51c2485d..1c2bb109 100644
--- a/src/node_modules/note.js
+++ b/src/node_modules/note.js
@@ -186,7 +186,7 @@ var Note = {
 			}
 			// 更新之
 			else {
-				var histories = history.Histories;
+				var histories = history.Histories || [];
 				histories.push(newHistory);
 				db.noteHistories.update({_id: noteId}, {$set: {Histories: histories, "UpdatedTime": new Date()}});
 			}
@@ -1235,7 +1235,6 @@ var Note = {
 		var me = this;
 		Notes.find({UserId: User.getCurActiveUserId(), IsDirty: true}, function(err, notes) {
 			if(err) {
-				log(err);
 				return callback && callback(false);
 			} else {
 				// 每一个笔记得到图片, 附件信息和数据