diff --git a/bin/mongodb.js b/bin/mongodb.js
index b559fc1..d7e084b 100644
--- a/bin/mongodb.js
+++ b/bin/mongodb.js
@@ -7,11 +7,9 @@ let add = (set,data,url = dburl) =>{
         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" };
             try {
                 dbo.collection(set).insertOne(data, function(err, res) {
                     if (err) throw err;
-                    // console.log("文档插入成功");
                     db.close();
                     resolve({code:0});
                 });
@@ -27,11 +25,9 @@ let adds = (set,data,url = dburl) =>{
         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" };
             try {
                 dbo.collection(set).insertMany(data, function(err, res) {
                     if (err) throw err;
-                    // console.log("文档插入成功");
                     db.close();
                     resolve({code:0,num:res.insertedCount});
                 });
@@ -47,11 +43,9 @@ let remove = (set,where,url = dburl) =>{
         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" };
             try {
                 dbo.collection(set).deleteOne(where, function(err, obj) {
                     if (err) throw err;
-                    // console.log("文档插入成功");
                     db.close();
                     resolve({code:0});
                 });
@@ -70,11 +64,9 @@ let removes = (set,where,url = dburl) =>{
         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" };
             try {
                 dbo.collection(set).deleteMany(where, function(err, obj) {
                     if (err) throw err;
-                    // console.log("文档插入成功");
                     db.close();
                     resolve({code:0,num:obj.result.n});
                 });
@@ -86,18 +78,14 @@ 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, { 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" };
                 try {
-                    dbo.collection(set). find(where).toArray(function(err, result) { // 返回集合中所有数据
+                    dbo.collection(set). find(where).toArray(function(err, result) {
                         if (err) throw err;
-                        // console.log(result);
                         resolve({code:0,data:result});
                         db.close();
                     });
@@ -110,11 +98,9 @@ let find = (set,where = {},page = 0,num = 0,url = dburl) =>{
             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" };
                 try {
                     dbo.collection(set). find(where).skip(num * page).limit(num).toArray(function(err, result) { // 返回集合中所有数据
                         if (err) throw err;
-                        // console.log(result);
                         resolve({code:0,data:result});
                         db.close();
                     });
@@ -132,12 +118,10 @@ let update = (set,where = {},data,url = dburl) =>{
         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" };
             data = {$set:data}
             try {
                 dbo.collection(set).updateOne(where, data, function(err, res) {
                     if (err) throw err;
-                    // console.log(result);
                     resolve({code:0});
                     db.close();
                 });
@@ -153,12 +137,10 @@ let updates = (set,where = {},data,url = dburl) =>{
         MongoClient.connect(url.url, { useUnifiedTopology: true, useNewUrlParser: true}, function(err, db) {
             if (err) throw err;
             var dbo = db.db(url.dbname);
-            // var myobj = { name: "菜鸟教程", url: "www.runoob" };
             data = {$set:data}
             try {
                 dbo.collection(set).updateMany(where, data, function(err, res) {
                     if (err) throw err;
-                    // console.log("文档插入成功");
                     db.close();
                     resolve({code:0,num:res.result.nModified});
                 });