diff --git a/application/install/apiRoute.tpl b/application/install/apiRoute.tpl
new file mode 100644
index 0000000..3200188
--- /dev/null
+++ b/application/install/apiRoute.tpl
@@ -0,0 +1,15 @@
+<?php
+/**
+ * Api路由
+ */
+
+use think\Route;
+
+Route::group('api', function () {
+    Route::miss('api/Miss/index');
+});
+$afterBehavior = [
+    '\app\api\behavior\ApiAuth',
+    '\app\api\behavior\ApiPermission',
+    '\app\api\behavior\RequestFilter'
+];
diff --git a/composer.json b/composer.json
index 533a7c2..3afea38 100644
--- a/composer.json
+++ b/composer.json
@@ -20,7 +20,8 @@
         "php": ">=5.6.0",
         "topthink/framework": "5.1.*",
         "overtrue/pinyin": "~4.0",
-        "php-curl-class/php-curl-class": "^8.5"
+        "php-curl-class/php-curl-class": "^8.5",
+        "topthink/think-migration": "^2.0"
     },
     "autoload": {
         "psr-4": {
diff --git a/composer.lock b/composer.lock
index 307db7e..6345960 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "18c498f30e7a274ef2d266615d3f1084",
+    "content-hash": "80523d078e0bdb4822d59cc00bb0c65b",
     "packages": [
         {
             "name": "overtrue/pinyin",
@@ -236,6 +236,51 @@
                 }
             ],
             "time": "2018-05-11T06:45:42+00:00"
+        },
+        {
+            "name": "topthink/think-migration",
+            "version": "v2.0.3",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/top-think/think-migration.git",
+                "reference": "70c89850ca29c2eab988c7c3475d1d5331901bb8"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/top-think/think-migration/zipball/70c89850ca29c2eab988c7c3475d1d5331901bb8",
+                "reference": "70c89850ca29c2eab988c7c3475d1d5331901bb8",
+                "shasum": "",
+                "mirrors": [
+                    {
+                        "url": "https://dl.laravel-china.org/%package%/%reference%.%type%",
+                        "preferred": true
+                    }
+                ]
+            },
+            "require": {
+                "topthink/framework": "5.1.*"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "Phinx\\": "phinx/src/Phinx",
+                    "think\\migration\\": "src"
+                },
+                "files": [
+                    "src/config.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "Apache-2.0"
+            ],
+            "authors": [
+                {
+                    "name": "yunwuxin",
+                    "email": "448901948@qq.com"
+                }
+            ],
+            "time": "2017-12-31T16:32:22+00:00"
         }
     ],
     "packages-dev": [],
diff --git a/config/database.php b/config/database.php
index e07d3a6..12f235c 100644
--- a/config/database.php
+++ b/config/database.php
@@ -27,7 +27,7 @@ return [
     // 数据库连接参数
     'params'          => [],
     // 数据库编码默认采用utf8
-    'charset'         => 'utf8',
+    'charset'         => 'utf8mb4',
     // 数据库表前缀
     'prefix'          => '',
     // 数据库调试模式