diff --git a/Dockerfile b/Dockerfile
index 4c2d768..e885784 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,12 +8,12 @@ RUN mkdir -p /usr/src/nodejs/
 WORKDIR /usr/src/nodejs/
 
 # RUN/COPY是分层的，package.json 提前，只要没修改就不会重新安装包
-COPY package.json /usr/src/app/package.json
-RUN cd /usr/src/app/
-RUN npm i
+COPY package.json yarn.lock /usr/src/nodejs/
+RUN cd /usr/src/nodejs/
+RUN yarn install && yarn cache clean
 
 # 把当前目录下所有的文件拷贝到 Image 的 /usr/src/nodejs/目录下
 COPY . /usr/src/nodejs/
 
-EXPOSE 30010
-CMD npm start
\ No newline at end of file
+EXPOSE 3000
+CMD npm start
diff --git a/docker-compose.yml b/docker-compose.yml
new file mode 100644
index 0000000..fa21c8d
--- /dev/null
+++ b/docker-compose.yml
@@ -0,0 +1,14 @@
+version: '2' 
+services: 
+  webapp: 
+    build: . 
+    image: webapp:dockerstudy 
+    volumes: 
+      - ./:/usr/src/nodejs 
+    #depends_on: 
+      #- mongo 
+    ports: 
+      - 3000:3000 
+    container_name: dockerstudycontainer 
+  #mongo: 
+    #image: "mongo:latest" 
diff --git a/package-lock.json b/package-lock.json
index 8ac666b..2d240fd 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,5 +1,5 @@
 {
-  "name": "dockerStudy",
+  "name": "dockerstudy",
   "version": "0.1.0",
   "lockfileVersion": 1,
   "requires": true,
@@ -1069,12 +1069,14 @@
         "balanced-match": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "balanced-match": "^1.0.0",
             "concat-map": "0.0.1"
@@ -1089,17 +1091,20 @@
         "code-point-at": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "concat-map": {
           "version": "0.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "console-control-strings": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "core-util-is": {
           "version": "1.0.2",
@@ -1216,7 +1221,8 @@
         "inherits": {
           "version": "2.0.4",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.5",
@@ -1228,6 +1234,7 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "^1.0.0"
           }
@@ -1242,6 +1249,7 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "^1.1.7"
           }
@@ -1249,12 +1257,14 @@
         "minimist": {
           "version": "0.0.8",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "minipass": {
           "version": "2.9.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "safe-buffer": "^5.1.2",
             "yallist": "^3.0.0"
@@ -1273,6 +1283,7 @@
           "version": "0.5.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -1362,7 +1373,8 @@
         "number-is-nan": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -1374,6 +1386,7 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "wrappy": "1"
           }
@@ -1495,6 +1508,7 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "code-point-at": "^1.0.0",
             "is-fullwidth-code-point": "^1.0.0",
@@ -3696,6 +3710,11 @@
       "resolved": "http://r.cnpmjs.org/util-deprecate/download/util-deprecate-1.0.2.tgz",
       "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8="
     },
+    "uuid": {
+      "version": "7.0.3",
+      "resolved": "https://registry.npm.taobao.org/uuid/download/uuid-7.0.3.tgz",
+      "integrity": "sha1-xcnyyM8l3Ao3LE3xRBxB9b0MaAs="
+    },
     "vary": {
       "version": "1.1.2",
       "resolved": "http://r.cnpmjs.org/vary/download/vary-1.1.2.tgz",
diff --git a/package.json b/package.json
index ab5a806..2703663 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,8 @@
     "koa-static": "^3.0.0",
     "koa-views": "^5.2.1",
     "mongoose": "^5.8.1",
-    "pug": "^2.0.0-rc.1"
+    "pug": "^2.0.0-rc.1",
+    "uuid": "^7.0.3"
   },
   "devDependencies": {
     "nodemon": "^1.8.1"
diff --git a/routes/index.js b/routes/index.js
index 4cf24a3..4461d14 100644
--- a/routes/index.js
+++ b/routes/index.js
@@ -1,5 +1,6 @@
 'use strict'
 const router = require('koa-router')()
+const User = require('../models/user')
 // 用于封装controllers的公共方法
 
 var mongoose = require('mongoose')
@@ -7,7 +8,6 @@ var uuid = require('uuid')
 
 router.get('/', async (ctx, next) => {
   // 向mongodb中添加一条数据
-  const User = mongoose.model('User')
   const user = await User.findOne({
 	  phoneNumber: '16677771234'
 	}).exec()