diff --git a/bin/mongodb.js b/bin/mongodb.js
index 9fbf4d5..abd2524 100644
--- a/bin/mongodb.js
+++ b/bin/mongodb.js
@@ -1,7 +1,38 @@
 var MongoClient = require('mongodb').MongoClient;
 var dburl;
-let add = (set, data, url = dburl) => {
+let idadd = async (set) => {
+    let id = 0
+    if (set == "idadd") {
+        return 0;
+    } else {
+        await find('idadd', { 'set': set }).then((res) => {
+            if (res.data.length != 0) {
+                id = res.data[0].num_key
+            } else {
+                id = 1
+            }
+        })
+    }
+
+    if (id == 1) {
+        await add('idadd', { set, 'num_key': 2 })
+    } else if (set != "idadd") {
+        console.log(id)
+
+        await update('idadd', { 'set': set }, { 'num_key': id + 1 })
+    }
+    console.log(id)
+    return id
+
+}
+let add = async (set, data, url = dburl) => {
+    if (set != "idadd") {
+        let id = await idadd(set)
+        data.num_key = id
+    }
+
     return new Promise((resolve, reject) => {
+
         MongoClient.connect(url.url, { useUnifiedTopology: true, useNewUrlParser: true }, function (err, db) {
             if (err) throw err;
             var dbo = db.db(url.dbname);
@@ -18,8 +49,16 @@ let add = (set, data, url = dburl) => {
         });
     })
 }
-let adds = (set, data, url = dburl) => {
+let adds = async (set, data, url = dburl) => {
+
+    if (set != "idadd") {
+        for (let i in data) {
+            let id = await idadd(set)
+            data[i].num_key = id
+        }
+    }
     return new Promise((resolve, reject) => {
+
         MongoClient.connect(url.url, { useUnifiedTopology: true, useNewUrlParser: true }, function (err, db) {
             if (err) throw err;
             var dbo = db.db(url.dbname);
@@ -36,7 +75,7 @@ let adds = (set, data, url = dburl) => {
         });
     })
 }
-let remove = (set, where, url = dburl) => {
+let remove = async (set, where, url = dburl) => {
     return new Promise((resolve, reject) => {
         MongoClient.connect(url.url, { useUnifiedTopology: true, useNewUrlParser: true }, function (err, db) {
             if (err) throw err;
@@ -54,7 +93,7 @@ let remove = (set, where, url = dburl) => {
         });
     })
 }
-let removes = (set, where, url = dburl) => {
+let removes = async (set, where, url = dburl) => {
     return new Promise((resolve, reject) => {
         if (where == "" || Object.keys(where).length == 0) {
             reject({ code: 1 })
@@ -75,7 +114,7 @@ let removes = (set, where, url = dburl) => {
         });
     })
 }
-let find = (set, where = {}, page = 0, num = 0, url = dburl) => {
+let find = async (set, where = {}, page = 0, num = 0, url = dburl) => {
     return new Promise((resolve, reject) => {
         if (num == 0) {
             MongoClient.connect(url.url, { useUnifiedTopology: true, useNewUrlParser: true }, function (err, db) {
@@ -111,7 +150,7 @@ let find = (set, where = {}, page = 0, num = 0, url = dburl) => {
 
     })
 }
-let update = (set, where = {}, data, defin = true, url = dburl) => {
+let update = async (set, where = {}, data, defin = true, url = dburl) => {
     return new Promise((resolve, reject) => {
         MongoClient.connect(url.url, { useUnifiedTopology: true, useNewUrlParser: true }, function (err, db) {
             if (err) throw err;
@@ -132,7 +171,7 @@ let update = (set, where = {}, data, defin = true, url = dburl) => {
         });
     })
 }
-let updates = (set, where = {}, data, url = dburl) => {
+let updates = async (set, where = {}, data, url = dburl) => {
     return new Promise((resolve, reject) => {
         MongoClient.connect(url.url, { useUnifiedTopology: true, useNewUrlParser: true }, function (err, db) {
             if (err) throw err;
diff --git a/controllers/login.js b/controllers/login.js
index d1e3a19..57c8f4b 100644
--- a/controllers/login.js
+++ b/controllers/login.js
@@ -6,15 +6,13 @@ var loginup = async (ctx,next) => {
     await dbs.find('admin').then((res)=>{
         arr = res.data
     })
-    console.timeEnd("asd")
-
     if(arr.length == 0){
         await dbs.add('admin',{name:"admin",pwd:"123456"})
         await dbs.find('admin').then((res)=>{
             arr = res.data
         })
     }
-
+    console.timeEnd("asd")
     //判断用户名密码
     if(ctx.request.body.name == arr[0].name && ctx.request.body.pwd == arr[0].pwd){
         //颁发token
diff --git a/description/mongodb.js.md b/description/mongodb.js.md
index 1c8114f..fd064a8 100644
--- a/description/mongodb.js.md
+++ b/description/mongodb.js.md
@@ -41,7 +41,7 @@ find 查询数据
 ```
 update 更新单条数据
 ```
-参数(操作的集合名,条件,要改为的{}[,{数据库地址,数据库名}])
+参数(操作的集合名,条件,要改为的{}[,默认$set 如果其他 为flase 要改为的加操作符,{数据库地址,数据库名}])
 返回值类型 promise
 成功返回 {code:0},
 失败返回 {code:1}
@@ -53,3 +53,8 @@ updates 更新多条数据
 成功返回 {code:0,num:修改成功的数量},
 失败返回 {code:1}
 ```
+
+####默认
+
+
+默认idadd表为id存储表，num_key为id 自动递增 1开始