diff --git a/History.md b/History.md
index 4cd74fc..8488fca 100644
--- a/History.md
+++ b/History.md
@@ -1,12 +1,12 @@
 3.0.0 / 2018-04-16
 ==================
-> 这是一个全新的大版本, 不向下兼容2.x, 使用typescript重构。
+> 这是一个全新的大版本, 不向下兼容2.x。
 
   * 重构API, 使用链式操作, 逻辑更加清晰
   * 支持完整的pool option
   * 新增drop方法,支持删除数据库/数据表
   * 新增tableCreate/dbCreate方法, 支持创建数据库/数据表
-  * 新增indexCreate/indexRename/indexDrop/indexList, 支持对索引的增删改查
+  * 新增indexCreate/indexDrop/indexList, 支持对索引的增删改查
 
 
 2.2.2 / 2018-03-22
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..ab60297
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2018 
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/src/index.ts b/index.js
similarity index 85%
rename from src/index.ts
rename to index.js
index 20abe14..a6c1fbb 100644
--- a/src/index.ts
+++ b/index.js
@@ -5,17 +5,15 @@
  *
  */
 'use strict'
-import 'es.shim'
+require('es.shim')
 const mysql = require('mysql')
-import Api from './lib/api'
+const Api = require('./lib/api')
 
 class Mysqli {
-  useSlaveDB: boolean
-  pool: any
   /**
    * [constructor 构造数据库连接池]
    */
-  constructor(config: any) {
+  constructor(config) {
     if (!Array.isArray(config)) {
       config = [config]
     }
@@ -27,7 +25,7 @@ class Mysqli {
       restoreNodeTimeout: 10000
     })
 
-    config.forEach((item: { [prop: string]: any }, i: number) => {
+    config.forEach((item, i) => {
       let {
         host,
         port,
@@ -66,11 +64,11 @@ class Mysqli {
   }
 
   //对外的escape方法
-  static escape(val: any) {
+  static escape(val) {
     return mysql.escape(val)
   }
 
-  emit(fromSlave = false, db: string = '') {
+  emit(fromSlave = false, db = '') {
     let slave = fromSlave && this.useSlaveDB ? 'SLAVE*' : 'MASTER'
     return new Api(this.pool, slave, db)
   }
diff --git a/lib/api.js b/lib/api.js
new file mode 100644
index 0000000..753e728
--- /dev/null
+++ b/lib/api.js
@@ -0,0 +1,180 @@
+/**
+ *
+ * @authors yutent (yutent@doui.cc)
+ * @date    2018-04-13 14:30:49
+ * @version $Id$
+ */
+
+const { SqlErr, parser, fixtable } = require('./utils')
+const Method = require('./method')
+
+class Api {
+  constructor(pool, slave = 'MASTER', db = '') {
+    this.pool = pool
+    this.slave = slave
+    this.db = db ? '`' + db + '`' : null
+  }
+
+  connect() {
+    let defer = Promise.defer()
+    this.pool.getConnection(this.slave, (err, conn) => {
+      if (err) {
+        return defer.reject(new SqlErr(`MySQL connect ${err}`))
+      }
+      if (this.db) {
+        conn.query('USE ' + this.db, err => {
+          if (err) {
+            return defer.reject(new SqlErr('Use DB ' + err))
+          }
+          defer.resolve(conn)
+        })
+      } else {
+        defer.resolve(conn)
+      }
+    })
+    return defer.promise
+  }
+
+  table(name) {
+    if (!name) {
+      throw new SqlErr('Query Error: empty table')
+    }
+    name = fixtable(name)
+    return new Method(this.pool, this.slave, this.db, name)
+  }
+
+  /**
+   * [query sql语句执行]
+   * @param  {[type]}   sql       [sql语句]
+   */
+  query(sql) {
+    if (typeof sql !== 'string') {
+      return Promise.reject(
+        new SqlErr(
+          `Query error, argument sql must be string. ${typeof sql} given`,
+          sql
+        )
+      )
+    }
+
+    return this.connect().then(conn => {
+      let defer = Promise.defer()
+
+      conn.query(sql, (err, result) => {
+        conn.release()
+        if (err) {
+          return defer.reject(new SqlErr(`Query ${err}`, sql))
+        }
+        defer.resolve(result)
+      })
+      return defer.promise
+    })
+  }
+
+  drop(db) {
+    if (!this.db && db) {
+      return Promise.reject('No database selected.')
+    }
+    this.db = db || this.db
+    let defer = Promise.defer()
+
+    this.connect().then(conn => {
+      conn.query(`DROP DATABASE ${db || this.db}`, (err, result) => {
+        conn.release()
+        if (err) {
+          return defer.reject(new SqlErr(`Drop database ${err}`))
+        }
+        defer.resolve(true)
+      })
+    })
+    return defer.promise
+  }
+
+  dbList() {
+    return this.connect().then(conn => {
+      let defer = Promise.defer()
+
+      conn.query('SHOW DATABASES', (err, row) => {
+        conn.release()
+        if (err) {
+          return defer.reject(new SqlErr('Show databases ' + err))
+        }
+        defer.resolve(row.map(it => it.Database))
+      })
+
+      return defer.promise
+    })
+  }
+
+  //返回数据表
+  tableList() {
+    return this.connect().then(conn => {
+      let defer = Promise.defer()
+
+      conn.query('SHOW TABLES', (err, row) => {
+        conn.release()
+        if (err) {
+          return defer.reject(new SqlErr('Show tables ' + err))
+        }
+        defer.resolve(row.map(it => it[Object.keys(it)[0]]))
+      })
+
+      return defer.promise
+    })
+  }
+
+  // 创建新的数据库
+  dbCreate(name, { charset = 'utf8' }) {
+    if (!name) {
+      return Promise.reject('Empty database name.')
+    }
+
+    let sql = `CREATE DATABASE \`${name}\` DEFAULT CHARACTER SET = \`${charset}\``
+    return this.connect().then(conn => {
+      let defer = Promise.defer()
+
+      conn.query(sql, (err, result) => {
+        conn.release()
+        if (err) {
+          return defer.reject(new SqlErr('Create database ' + err))
+        }
+        defer.resolve(true)
+      })
+
+      return defer.promise
+    })
+  }
+
+  // 创建新的表,
+  tableCreate(name, fields, { charset = 'utf8', engine = 'InnoDB' }) {
+    if (!name) {
+      return Promise.reject('Empty database name.')
+    }
+
+    let sql = `CREATE TABLE \`${name}\` `
+
+    try {
+      sql += parser.field(fields)
+    } catch (err) {
+      return Promise.reject(err + '')
+    }
+
+    sql += ` ENGINE=${engine} DEFAULT CHARSET=${charset}`
+
+    return this.connect().then(conn => {
+      let defer = Promise.defer()
+
+      conn.query(sql, (err, result) => {
+        conn.release()
+        if (err) {
+          return defer.reject(new SqlErr('Create table ' + err, sql))
+        }
+        defer.resolve(true)
+      })
+
+      return defer.promise
+    })
+  }
+}
+
+module.exports = Api
diff --git a/src/lib/method.ts b/lib/method.js
similarity index 51%
rename from src/lib/method.ts
rename to lib/method.js
index aec3675..95379e4 100644
--- a/src/lib/method.ts
+++ b/lib/method.js
@@ -5,57 +5,47 @@
  * @version $Id$
  */
 
-import { defer, SqlErr, parser, escape } from './utils'
+const { SqlErr, parser, escape, fixtable } = require('./utils')
 
-console.log(escape(new Date()))
-interface Conn {
-  query(sql: string, cb?: any): void
-  release(): void
-}
 class Method {
-  pool: any
-  slave: string
-  db: string
-  cache: { [prop: string]: any } = {}
-
-  constructor(pool: object, slave: string, db: string, table: string) {
+  constructor(pool, slave, db, table) {
     this.pool = pool
     this.slave = slave
     this.db = db
     this.cache = { table }
   }
 
-  private connect() {
-    let out = defer()
-    this.pool.getConnection(this.slave, (err: Error, conn: Conn) => {
+  connect() {
+    let defer = Promise.defer()
+    this.pool.getConnection(this.slave, (err, conn) => {
       if (err) {
-        return out.reject(new SqlErr(`MySQL connect ${err}`))
+        return defer.reject(new SqlErr(`MySQL connect ${err}`))
       }
       if (this.db) {
-        conn.query('USE ' + this.db, (err: Error) => {
+        conn.query('USE ' + this.db, err => {
           if (err) {
-            return out.reject(new SqlErr('Select DB ' + err))
+            return defer.reject(new SqlErr('Use DB ' + err))
           }
-          out.resolve(conn)
+          defer.resolve(conn)
         })
       } else {
-        out.resolve(conn)
+        defer.resolve(conn)
       }
     })
-    return out.promise
+    return defer.promise
   }
 
-  leftJoin(tables: any[]) {
+  leftJoin(tables) {
     this.cache.leftJoin = tables
     return this
   }
 
-  rightJoin(tables: any[]) {
+  rightJoin(tables) {
     this.cache.rightJoin = tables
     return this
   }
 
-  join(tables: any[]) {
+  join(tables) {
     this.cache.join = tables
     return this
   }
@@ -71,7 +61,7 @@ class Method {
    *     })
    * obj形式的过滤, 支持多种多样, 详细请看Readme介绍
    */
-  filter(val: any) {
+  filter(val) {
     this.cache.filter = val
     return this
   }
@@ -81,25 +71,25 @@ class Method {
    * @param {number }} keys [以对象形式传入值]
    * 如: {name: 1, age: -1} 1代表顺序, -1代表逆序
    */
-  sort(keys: { [prop: string]: number }) {
+  sort(keys) {
     this.cache.sort = keys
     return this
   }
 
   // 从第几条记录开始返回, 必须搭配limit使用,否则会被忽略
-  skip(skip: number) {
+  skip(skip) {
     this.cache.skip = skip
     return this
   }
 
   // 返回指定数量的记录
-  limit(size: number) {
+  limit(size) {
     this.cache.size = size
     return this
   }
 
   // 截取指定范围内的记录
-  slice(start: number, end: number) {
+  slice(start, end) {
     this.cache.limit = [start, end - start]
     return this
   }
@@ -108,7 +98,7 @@ class Method {
    * [withFields 选取指定的字段]
    * @param {string[]} fields [以数组形式传入]
    */
-  withFields(fields: string[]) {
+  withFields(fields) {
     this.cache.fields = fields
     return this
   }
@@ -121,9 +111,13 @@ class Method {
    * [getAll 获取所有记录]
    * @param {any[]} ids [description]
    */
-  getAll(ids?: any[]) {
+  getAll(ids) {
     if (!this.cache.filter && ids) {
-      this.cache.filter = { id: { $in: ids } }
+      if (ids.length === 1) {
+        this.cache.filter = { id: ids[0] }
+      } else {
+        this.cache.filter = { id: { $in: ids } }
+      }
     }
 
     let {
@@ -149,8 +143,7 @@ class Method {
       }
     }
 
-    let sql: string
-    sql = parser.select(fields)
+    let sql = parser.select(fields)
     sql += `FROM ${table} `
     if (leftJoin) {
       sql += parser.leftJoin(leftJoin)
@@ -174,17 +167,17 @@ class Method {
       sql += parser.limit(limit)
     }
 
-    return this.connect().then((conn: Conn) => {
-      let out = defer()
+    return this.connect().then(conn => {
+      let defer = Promise.defer()
 
-      conn.query(sql, (err: Error, result: any[]) => {
+      conn.query(sql, (err, result) => {
         conn.release()
         if (err) {
-          return out.reject(new SqlErr(`Find ${err}`, sql))
+          return defer.reject(new SqlErr(`Find ${err}`, sql))
         }
-        out.resolve(result)
+        defer.resolve(result)
       })
-      return out.promise
+      return defer.promise
     })
   }
 
@@ -192,8 +185,8 @@ class Method {
    * [get 获取单条记录详细]
    * @param {any} id [取主键值为id的记录, 当且仅当没设置过滤条件时有效]
    */
-  get(id?: any) {
-    return this.getAll(id ? [id] : null).then((list: any[]) => {
+  get(id) {
+    return this.getAll(id ? [id] : null).then(list => {
       return list[0]
     })
   }
@@ -202,8 +195,8 @@ class Method {
    * [count 获取记录总数]
    * @return {number} [description]
    */
-  count(): number {
-    return this.getAll().then((list: any[]) => {
+  count() {
+    return this.getAll().then(list => {
       return list.length
     })
   }
@@ -212,7 +205,7 @@ class Method {
    * [insert 插入单条文档, 返回当前插入的文档的ID(如果是自增)]
    * @param {any }} doc [文档object]
    */
-  insert(doc: { [prop: string]: any }) {
+  insert(doc) {
     if (!doc) {
       return Promise.reject(new SqlErr('Insert Error: empty document'))
     }
@@ -227,19 +220,19 @@ class Method {
     }
     sql += `(${keys.join(',')}) VALUES (${vals.join(',')})`
 
-    return this.connect().then((conn: Conn) => {
-      const out = defer()
+    return this.connect().then(conn => {
+      const defer = Promise.defer()
 
-      conn.query(sql, (err: Error, result: any) => {
+      conn.query(sql, (err, result) => {
         conn.release()
         if (err) {
-          return out.reject(new SqlErr(`Insert ${err}`, sql))
+          return defer.reject(new SqlErr(`Insert ${err}`, sql))
         }
 
-        out.resolve(result.insertId)
+        defer.resolve(result.insertId)
       })
 
-      return out.promise
+      return defer.promise
     })
   }
 
@@ -248,7 +241,7 @@ class Method {
    * 可以使用filter过滤条件
    * @param {any }} doc [要更新的字段]
    */
-  update(doc: { [prop: string]: any }) {
+  update(doc) {
     if (!doc) {
       return Promise.reject(new SqlErr('Update Error: empty document'))
     }
@@ -267,19 +260,19 @@ class Method {
     sql += fields.join(',')
     sql += parser.filter(filter)
 
-    return this.connect().then((conn: Conn) => {
-      const out = defer()
+    return this.connect().then(conn => {
+      const defer = Promise.defer()
 
-      conn.query(sql, (err: Error, result: any) => {
+      conn.query(sql, (err, result) => {
         conn.release()
         if (err) {
-          return out.reject(new SqlErr(`Update ${err}`, sql))
+          return defer.reject(new SqlErr(`Update ${err}`, sql))
         }
 
-        out.resolve(result.affectedRows)
+        defer.resolve(result.affectedRows)
       })
 
-      return out.promise
+      return defer.promise
     })
   }
 
@@ -292,21 +285,125 @@ class Method {
     let sql = `DELETE FROM ${table} `
     sql += parser.filter(filter)
 
-    return this.connect().then((conn: Conn) => {
-      const out = defer()
+    return this.connect().then(conn => {
+      const defer = Promise.defer()
 
-      conn.query(sql, (err: Error, result: any) => {
+      conn.query(sql, (err, result) => {
         conn.release()
         if (err) {
-          return out.reject(new SqlErr(`Remove ${err}`, sql))
+          return defer.reject(new SqlErr(`Remove ${err}`, sql))
         }
 
-        out.resolve(result.affectedRows)
+        defer.resolve(result.affectedRows)
       })
 
-      return out.promise
+      return defer.promise
+    })
+  }
+
+  // 重命名表
+  renameTo(name) {
+    return this.connect().then(conn => {
+      const defer = Promise.defer()
+
+      let sql = `RENAME TABLE ${this.cache.table} TO ${fixtable(name)}`
+      conn.query(sql, (err, result) => {
+        conn.release()
+        if (err) {
+          return defer.reject(new SqlErr(`List index ${err}`, sql))
+        }
+
+        defer.resolve(true)
+      })
+
+      return defer.promise
+    })
+  }
+
+  // 返回索引列表
+  indexList() {
+    return this.connect().then(conn => {
+      const defer = Promise.defer()
+
+      let sql = `SHOW INDEX FROM ${this.cache.table}`
+      conn.query(sql, (err, result) => {
+        conn.release()
+        if (err) {
+          return defer.reject(new SqlErr(`List index ${err}`, sql))
+        }
+        let list = result.map(it => {
+          return {
+            name: it.Key_name,
+            column: it.Column_name,
+            unique: !it.Non_unique,
+            cardinality: it.Cardinality,
+            collation: it.Collation,
+            index: it.Seq_in_index
+          }
+        })
+
+        defer.resolve(list)
+      })
+
+      return defer.promise
+    })
+  }
+
+  // 删除指定索引
+  indexDrop(name) {
+    if (!name) {
+      return Promise.reject('Empty index name')
+    }
+    return this.connect().then(conn => {
+      const defer = Promise.defer()
+
+      let sql = `ALTER TABLE ${this.cache.table} DROP INDEX \`${name}\``
+      conn.query(sql, (err, result) => {
+        conn.release()
+        if (err) {
+          return defer.reject(new SqlErr(`Drop index ${err}`, sql))
+        }
+
+        defer.resolve(true)
+      })
+
+      return defer.promise
+    })
+  }
+
+  // 删除指定索引
+  indexCreate(name, opt = {}) {
+    if (!name) {
+      return Promise.reject('Empty index name')
+    }
+    if (!opt.field) {
+      return Promise.reject('Empty field name')
+    }
+    let unique = ''
+    opt.field = '`' + opt.field + '`'
+    if (opt.unique) {
+      unique = 'UNIQUE'
+    }
+
+    return this.connect().then(conn => {
+      const defer = Promise.defer()
+
+      let sql = `ALTER TABLE ${
+        this.cache.table
+      } ADD ${unique} INDEX \`${name}\` (${opt.field})`
+
+      conn.query(sql, (err, result) => {
+        conn.release()
+        if (err) {
+          return defer.reject(new SqlErr(`Drop index ${err}`, sql))
+        }
+
+        defer.resolve(true)
+      })
+
+      return defer.promise
     })
   }
 }
 
-export default Method
+module.exports = Method
diff --git a/src/lib/utils.ts b/lib/utils.js
similarity index 50%
rename from src/lib/utils.ts
rename to lib/utils.js
index d250ce8..46d7793 100644
--- a/src/lib/utils.ts
+++ b/lib/utils.js
@@ -6,7 +6,16 @@
  */
 const { escape } = require('mysql')
 
-function getType(val: any): string {
+function hideProperty(host, name, value) {
+  Object.defineProperty(host, name, {
+    value: value,
+    writable: true,
+    enumerable: false,
+    configurable: true
+  })
+}
+
+function getType(val) {
   if (val === null) {
     return String(val)
   }
@@ -15,7 +24,7 @@ function getType(val: any): string {
     .slice(8, -1)
     .toLowerCase()
 }
-function parse$or(arr: any[]) {
+function parse$or(arr) {
   let sql = ''
   for (let it of arr) {
     sql += '('
@@ -29,7 +38,7 @@ function parse$or(arr: any[]) {
   sql = sql.slice(0, -3)
   return sql
 }
-function parse$and(arr: any[]) {
+function parse$and(arr) {
   let sql = ''
   for (let it of arr) {
     sql += '('
@@ -44,7 +53,7 @@ function parse$and(arr: any[]) {
   return sql
 }
 
-function parse$opt(opt: { [prop: string]: any }) {
+function parse$opt(opt) {
   let sql = ''
   for (let k in opt) {
     let tmp = opt[k]
@@ -60,7 +69,7 @@ function parse$opt(opt: { [prop: string]: any }) {
         }
 
         if (tmp.$in) {
-          let list = tmp.$in.map((it: any) => {
+          let list = tmp.$in.map(it => {
             return escape(it)
           })
           sql += ` ${k} IN (${list.join(',')}) `
@@ -70,7 +79,7 @@ function parse$opt(opt: { [prop: string]: any }) {
           if (tmp.$between.length < 2) {
             throw new Error(`Array $between's length must be 2.`)
           }
-          let list = tmp.$between.map((it: any) => {
+          let list = tmp.$between.map(it => {
             return escape(it)
           })
           sql += ` ${k} BETWEEN ${list[0]} AND ${list[1]} `
@@ -102,32 +111,45 @@ function parse$opt(opt: { [prop: string]: any }) {
   return sql
 }
 
-export const parser = {
-  leftJoin(tables: any[]) {
+// 格式化表名
+function fixtable(name) {
+  return name
+    .split('.')
+    .map(it => {
+      return '`' + it + '`'
+    })
+    .join('.')
+}
+
+const parser = {
+  leftJoin(tables = []) {
     let sql = ''
     for (let it of tables) {
+      it.table = fixtable(it.table)
       sql += ` LEFT JOIN ${it.table} ON ${it.on} `
     }
     return sql
   },
 
-  rightJoin(tables: any[]) {
+  rightJoin(tables = []) {
     let sql = ''
     for (let it of tables) {
+      it.table = fixtable(it.table)
       sql += ` RIGHT JOIN ${it.table} ON ${it.on} `
     }
     return sql
   },
 
-  join(tables: any[]) {
+  join(tables = []) {
     let sql = ''
     for (let it of tables) {
+      it.table = fixtable(it.table)
       sql += ` JOIN ${it[0]} ON ${it.on} `
     }
     return sql
   },
 
-  filter(opt: any) {
+  filter(opt) {
     if (typeof opt === 'string') {
       return ` WHERE ${opt} `
     }
@@ -146,12 +168,12 @@ export const parser = {
     return ' '
   },
 
-  select(arr: string[] = ['*']) {
+  select(arr = ['*']) {
     return `SELECT ${arr.join(',')} `
   },
 
   // 排序 ----------------------------------
-  sort(obj: { [propName: string]: number } = {}) {
+  sort(obj = {}) {
     let sort = ''
     for (let i in obj) {
       let c = ''
@@ -167,28 +189,91 @@ export const parser = {
     }
   },
 
-  limit(...args: number[]) {
+  limit(...args) {
     return ` LIMIT ${args.join(',')} `
+  },
+
+  // 解析数据表的配置(新建表时)
+  field(fields = []) {
+    let primary = null
+    let indexes = []
+    let sql = `(\n`
+    for (let it of fields) {
+      it.type = it.type.toUpperCase()
+      let inc = '' // 自增
+      let autoUpdate = '' // 自动更新时间戳(仅 DATETIME & TIMESTAMP)
+      let defaultVal = ''
+      // 只处理1个主键, 其他的忽略, 且作为主键,必须 NOT NULL
+      if (!primary && it.primary) {
+        primary = `PRIMARY KEY (\`${it.name}\`),\n`
+        it.notnull = true
+        if (it.inc) {
+          inc = 'AUTO_INCREMENT'
+        }
+      }
+      let notnull = it.notnull ? 'NOT NULL' : 'NULL'
+
+      if (/CHAR/.test(it.type)) {
+        it.default = it.default ? escape(it.default) : ''
+      }
+
+      // 这几种类型,不允许设置默认值
+      if (['TEXT', 'BLOB', 'JSON', 'GEOMETRY'].includes(it.type)) {
+        notnull = 'NULL'
+      }
+
+      // 这2种类型,如果设置了自动更新时间戳, 则默认值自动改为当前时间戳
+      if (['TIMESTAMP', 'DATETIME'].includes(it.type)) {
+        if (it.update) {
+          autoUpdate = 'ON UPDATE CURRENT_TIMESTAMP'
+          it.default = 'CURRENT_TIMESTAMP'
+        }
+      }
+
+      // 这3种时间类型,不允许设置默认值为 当前时间戳
+      if (['TIME', 'DATE', 'YEAR'].includes(it.type)) {
+        if (it.default.toUpperCase() === 'CURRENT_TIMESTAMP') {
+          it.default = ''
+        }
+      }
+      defaultVal = it.default ? `DEFAULT ${it.default}` : ''
+
+      // 非主键下, 设置了unique & index时,都为索引
+      if (!it.primary) {
+        if (it.index || it.unique) {
+          let idx = `INDEX \`${it.name}_idx\` (\`${it.name}\`)`
+          if (it.unique) {
+            idx = 'UNIQUE ' + idx
+          }
+          indexes.push(idx)
+        }
+      }
+      sql += `\`${it.name}\` ${
+        it.type
+      } ${notnull} ${defaultVal} ${inc} ${autoUpdate},\n`
+    }
+    if (!primary) {
+      throw new Error('Can not create table without primary key.')
+    }
+    sql += primary
+    sql += indexes.join(', \n') + ')'
+    return sql
   }
 }
 
-export class SqlErr extends Error {
-  sql: string
-  constructor(msg: string = '', sql: string = '') {
-    super(msg)
+class SqlErr {
+  constructor(msg = '', sql = '') {
+    this.message = msg
     this.sql = sql
+    hideProperty(this, 'stack', msg)
+  }
+
+  toString() {
+    return this.message
   }
 }
 
-export const defer = () => {
-  let obj: { [prop: string]: any } = {}
-  obj.promise = new Promise((yes, no) => {
-    obj.resolve = yes
-    obj.reject = no
-  })
-  return obj
-}
-
-export { escape }
-
-export default escape
+exports.SqlErr = SqlErr
+exports.parser = parser
+exports.escape = escape
+exports.fixtable = fixtable
diff --git a/package.json b/package.json
index 0e28ccd..ab064a8 100644
--- a/package.json
+++ b/package.json
@@ -2,9 +2,9 @@
   "name": "mysqli",
   "version": "3.0.0",
   "description": "MySQL tool",
-  "main": "dist/index.js",
+  "main": "index.js",
   "dependencies": {
-    "es.shim": "^0.0.3",
+    "es.shim": "^1.0.1",
     "mysql": "^2.13.0"
   },
   "repository": "https://github.com/yutent/mysqli.git",
diff --git a/src/lib/api.ts b/src/lib/api.ts
deleted file mode 100644
index 1cb2d27..0000000
--- a/src/lib/api.ts
+++ /dev/null
@@ -1,123 +0,0 @@
-/**
- *
- * @authors yutent (yutent@doui.cc)
- * @date    2018-04-13 14:30:49
- * @version $Id$
- */
-
-import { defer, SqlErr } from './utils'
-import Method from './method'
-interface Conn {
-  query(sql: string, cb?: any): void
-  release(): void
-}
-class Api {
-  pool: any
-  slave: string
-  db: string
-  constructor(pool: object, slave: string = 'MASTER', db: string = '') {
-    this.pool = pool
-    this.slave = slave
-    this.db = db
-  }
-
-  connect() {
-    let out = defer()
-    this.pool.getConnection(this.slave, (err: Error, conn: Conn) => {
-      if (err) {
-        return out.reject(new SqlErr(`MySQL connect ${err}`))
-      }
-      if (this.db) {
-        conn.query('USE ' + this.db, (err: Error) => {
-          if (err) {
-            return out.reject(new SqlErr('Select DB ' + err))
-          }
-          out.resolve(conn)
-        })
-      } else {
-        out.resolve(conn)
-      }
-    })
-    return out.promise
-  }
-
-  table(name: string) {
-    if (!name) {
-      throw new SqlErr('Query Error: empty table')
-    }
-    return new Method(this.pool, this.slave, this.db, name)
-  }
-
-  /**
-   * [query sql语句执行]
-   * @param  {[type]}   sql       [sql语句]
-   */
-  query(sql: string) {
-    if (typeof sql !== 'string') {
-      return Promise.reject(
-        new SqlErr(
-          `Query error, argument sql must be string. ${typeof sql} given`,
-          sql
-        )
-      )
-    }
-
-    return this.connect().then((conn: Conn) => {
-      let out = defer()
-
-      conn.query(sql, (err: Error, result: any) => {
-        conn.release()
-        if (err) {
-          return out.reject(new SqlErr(`Query ${err}`, sql))
-        }
-        out.resolve(result)
-      })
-      return out.promise
-    })
-  }
-
-  drop() {
-    if (!this.db) {
-      return Promise.reject('')
-    }
-
-    this.connect().then((conn: Conn) => {
-      conn.query('')
-    })
-  }
-
-  dbList() {
-    return this.connect().then((conn: Conn) => {
-      let out = defer()
-
-      conn.query('SHOW DATABASES', (err: Error, row: any) => {
-        conn.release()
-        if (err) {
-          return out.reject(new SqlErr('SHOW DATABASES ' + err))
-        }
-        out.resolve(row.map((it: any) => it.Database))
-      })
-
-      return out.promise
-    })
-  }
-
-  //返回数据表
-  tableList() {
-    return this.connect().then((conn: Conn) => {
-      const out = defer()
-
-      conn.query('SHOW TABLES', (err: Error, row: any) => {
-        conn.release()
-        if (err) {
-          return out.reject(new SqlErr('SHOW TABLES ' + err))
-        }
-        out.resolve(row.map((it: any) => it[Object.keys(it)[0]]))
-      })
-
-      return out.promise
-    })
-  }
-}
-
-export default Api