diff --git a/README.md b/README.md
index 3f14510b..9393fa9d 100644
--- a/README.md
+++ b/README.md
@@ -3,3 +3,11 @@
 ## Require
 
 - php >= 8.0
+
+
+## Step
+
+- `composer install`
+- `cp .env.example .env`, 并修改配置文件
+- `php artisan migrate --seed`
+- `php artisan storage:link`
\ No newline at end of file
diff --git a/app/Endpoint/Api/Http/Controllers/ShareBgController.php b/app/Endpoint/Api/Http/Controllers/ShareBgController.php
index 291596de..83e35bc9 100644
--- a/app/Endpoint/Api/Http/Controllers/ShareBgController.php
+++ b/app/Endpoint/Api/Http/Controllers/ShareBgController.php
@@ -3,9 +3,12 @@
 namespace App\Endpoint\Api\Http\Controllers;
 
 use App\Endpoint\Api\Http\Resources\ShareBgResource;
-use App\Models\ShareBg;
+use App\Models\{ShareBg, User};
 use Illuminate\Http\Request;
 use SimpleSoftwareIO\QrCode\Facades\QrCode;
+use Illuminate\Support\Facades\Storage;
+use App\Exceptions\BizException;
+use EasyWeChat\Kernel\Http\StreamResponse;
 
 class ShareBgController extends Controller
 {
@@ -22,9 +25,45 @@ class ShareBgController extends Controller
 
     public function userQrCode(Request $request)
     {
-        $inviteUri = app_settings('app.invite_uri').'/register?code=';
+        $user = $request->user();
+        $qr_code = $user->userInfo->invite_qrcode;
+
+        if (!$qr_code || $request->input('force')) {
+            $disk = Storage::disk('public');
+            $app = $this->getWechatApp();
+            $scene = http_build_query([
+                'invite_code' =>  $user->userInfo->code,
+            ]);
+
+            $response = $app->app_code->get($scene, [
+                'page'  => 'pages/welcome/index',
+                'check_path' => false,
+                // develop: 开发版, trial: 体验版
+                'env_version' => app()->isProduction() ? 'release' : $request->input('env_version', 'trial'),
+                'width' => $request->input('width', 200),
+            ]);
+
+            if ($response instanceof StreamResponse) {
+                $filepath = 'invite-qrocde';
+                $filename = $user->id . '.png';
+                $response->saveAs($disk->path($filepath), $filename);
+
+                $qr_code = $disk->url($filepath . '/' . $filename);
+                $user->userInfo->update([
+                    'invite_qrcode' => $qr_code
+                ]);
+            } else {
+                throw new BizException('生成失败');
+            }
+        }
+
         return response()->json([
-            'qr_code' => base64_encode(QrCode::format('png')->size(100)->margin(0)->generate($inviteUri.$request->user()->userInfo?->code)),
+            'qr_code' => $qr_code,
         ]);
     }
+
+    protected function getWechatApp($getway = 'default')
+    {
+        return \EasyWeChat\Factory::miniProgram(config('wechat.mini_program.' . $getway));
+    }
 }
diff --git a/app/Models/UserInfo.php b/app/Models/UserInfo.php
index 2b8cbdde..238acc25 100644
--- a/app/Models/UserInfo.php
+++ b/app/Models/UserInfo.php
@@ -44,7 +44,8 @@ class UserInfo extends Model
         'path',
         'growth_value',
         'real_inviter_id',
-        'is_company'
+        'is_company',
+        'invite_qrcode',
     ];
 
     /**
diff --git a/database/migrations/2022_05_06_133819_add_role_to_user_infos.php b/database/migrations/2022_05_06_133819_add_role_to_user_infos.php
index ccb51b84..203a3712 100644
--- a/database/migrations/2022_05_06_133819_add_role_to_user_infos.php
+++ b/database/migrations/2022_05_06_133819_add_role_to_user_infos.php
@@ -16,6 +16,7 @@ class AddRoleToUserInfos extends Migration
         Schema::table('user_infos', function (Blueprint $table) {
             $table->decimal('profit', 12, 2)->default(0)->comment('累计收益');
             $table->tinyInteger('is_company')->default(0)->comment('是否员工');
+            $table->string('invite_qrcode')->nullable()->comment('小程序邀请码');
         });
     }