diff --git a/app.js b/app.js
index cf87a13..aeb897e 100644
--- a/app.js
+++ b/app.js
@@ -1,7 +1,7 @@
 const Koa = require("koa");
 const requter = require("./bin/router.js");
 jwt = require('jsonwebtoken');
-dbs = require("./bin/mongodb.js")('mongodb://localhost:27017/',"myblog")
+dbs = require("./bin/mongodb.js")('mongodb://localhost:27017/myblog',"myblog")
 // console.log(requter)
 // import requter from "./bin/router"
 const app = new Koa();
diff --git a/bin/mongodb.js b/bin/mongodb.js
index cfa09f4..b559fc1 100644
--- a/bin/mongodb.js
+++ b/bin/mongodb.js
@@ -1,8 +1,10 @@
 var MongoClient = require('mongodb').MongoClient;
 var dburl;
 let add = (set,data,url = dburl) =>{
+    // console.log(url)
+
     return new Promise((resolve, reject) => {
-        MongoClient.connect(url.url, { useNewUrlParser: true }, function(err, db) {
+        MongoClient.connect(url.url, { useUnifiedTopology: true, useNewUrlParser: true}, function(err, db) {
             if (err) throw err;
             var dbo = db.db(url.dbname);
             // var myobj = { name: "菜鸟教程", url: "www.runoob" };
@@ -22,7 +24,7 @@ let add = (set,data,url = dburl) =>{
 }
 let adds = (set,data,url = dburl) =>{
     return new Promise((resolve, reject) => {
-        MongoClient.connect(url.url, { useNewUrlParser: true }, function(err, db) {
+        MongoClient.connect(url.url, { useUnifiedTopology: true, useNewUrlParser: true}, function(err, db) {
             if (err) throw err;
             var dbo = db.db(url.dbname);
             // var myobj = { name: "菜鸟教程", url: "www.runoob" };
@@ -42,7 +44,7 @@ let adds = (set,data,url = dburl) =>{
 }
 let remove = (set,where,url = dburl) =>{
     return new Promise((resolve, reject) => {
-        MongoClient.connect(url.url, { useNewUrlParser: true }, function(err, db) {
+        MongoClient.connect(url.url, { useUnifiedTopology: true, useNewUrlParser: true}, function(err, db) {
             if (err) throw err;
             var dbo = db.db(url.dbname);
             // var myobj = { name: "菜鸟教程", url: "www.runoob" };
@@ -65,7 +67,7 @@ let removes = (set,where,url = dburl) =>{
         if(where == "" ||Object.keys(where).length == 0){
             reject({code:1})
         }
-        MongoClient.connect(url.url, { useNewUrlParser: true }, function(err, db) {
+        MongoClient.connect(url.url, { useUnifiedTopology: true, useNewUrlParser: true}, function(err, db) {
             if (err) throw err;
             var dbo = db.db(url.dbname);
             // var myobj = { name: "菜鸟教程", url: "www.runoob" };
@@ -84,9 +86,11 @@ let removes = (set,where,url = dburl) =>{
     })
 }
 let find = (set,where = {},page = 0,num = 0,url = dburl) =>{
+    // console.log(url)
+
     return new Promise((resolve, reject) => {
         if(num == 0){
-            MongoClient.connect(url.url, { useNewUrlParser: true }, function(err, db) {
+            MongoClient.connect(url.url, { useUnifiedTopology: true, useNewUrlParser: true}, function(err, db) {
                 if (err) throw err;
                 var dbo = db.db(url.dbname);
                 // var myobj = { name: "菜鸟教程", url: "www.runoob" };
@@ -103,7 +107,7 @@ let find = (set,where = {},page = 0,num = 0,url = dburl) =>{
                 
             });
         }else{
-            MongoClient.connect(url.url, { useNewUrlParser: true }, function(err, db) {
+            MongoClient.connect(url.url, { useUnifiedTopology: true, useNewUrlParser: true}, function(err, db) {
                 if (err) throw err;
                 var dbo = db.db(url.dbname);
                 // var myobj = { name: "菜鸟教程", url: "www.runoob" };
@@ -125,7 +129,7 @@ let find = (set,where = {},page = 0,num = 0,url = dburl) =>{
 }
 let update = (set,where = {},data,url = dburl) =>{
     return new Promise((resolve, reject) => {
-        MongoClient.connect(url.url, { useNewUrlParser: true }, function(err, db) {
+        MongoClient.connect(url.url, { useUnifiedTopology: true, useNewUrlParser: true}, function(err, db) {
             if (err) throw err;
             var dbo = db.db(url.dbname);
             // var myobj = { name: "菜鸟教程", url: "www.runoob" };
@@ -146,7 +150,7 @@ let update = (set,where = {},data,url = dburl) =>{
 }
 let updates = (set,where = {},data,url = dburl) =>{
     return new Promise((resolve, reject) => {
-        MongoClient.connect(url.url, { useNewUrlParser: true }, function(err, db) {
+        MongoClient.connect(url.url, { useUnifiedTopology: true, useNewUrlParser: true}, function(err, db) {
             if (err) throw err;
             var dbo = db.db(url.dbname);
             // var myobj = { name: "菜鸟教程", url: "www.runoob" };
diff --git a/controllers/login.js b/controllers/login.js
index 2461120..ee9cddb 100644
--- a/controllers/login.js
+++ b/controllers/login.js
@@ -1,37 +1,30 @@
 
-var login = async (ctx, next) => {
-    // var name = ctx.params.name;
-    // ctx.response.body = `<h1>Hello, ${name}!</h1>`;
-    ctx.response.body="这是login"
-    next()
-};
 var loginup = async (ctx,next) => {
-
-    // ctx.body="这是login,post,name:" + ctx.request.body.name
-    // console.log("post")
-    //返回token
-    console.log(ctx.request.body.name == 'admin' , ctx.request.body.pwd == "123456")
-    if(ctx.request.body.name == 'admin' && ctx.request.body.pwd == "123456"){
+    let arr;
+    //查询数据库 没有用户默认admin 123456
+    await dbs.find('admin').then((res)=>{
+        arr = res.data
+    })
+    if(arr.length == 0){
+        await dbs.add('admin',{name:"admin",pwd:"123456"})
+        await dbs.find('admin').then((res)=>{
+            arr = res.data
+        })
+    }
+    //判断用户名密码
+    if(ctx.request.body.name == arr[i].name && ctx.request.body.pwd == arr[i].pwd){
+        //颁发token
         const token = jwt.sign({
             name: ctx.request.body.name,
             _id: 1
         }, 'my_token', { expiresIn: '2h' });
-        // jwt.verify("eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ8.eyJuYW1lIjoiYWRtaW4iLCJfaWQiOjEsImlhdCI6MTU3MzU1Mjg1MCwiZXhwIjoxNTczNTYwMDUwfQ.TmAMeDq58F9Tt6gIQ9uU_FUVk4CEOKM90tvzymJo4Oc", 'my_token', function (err, data) {
-        //     if (err) console.log(err)
-        //     console.log('解析的数据', data)
-        //   })
         ctx.body={code:0,token}
     }else{
-        ctx.body={
-            code:1,
-            msg:"密码错误"
-        }
+        ctx.body={code:1}
     }
-    
     next()
 }
 
 module.exports = {
-    'GET /login': login,
     'POST /login' : loginup
 };