diff --git a/app/Http/Controllers/Api/AuthController.php b/app/Http/Controllers/Api/AuthController.php
index de1414d..8b0a8e3 100644
--- a/app/Http/Controllers/Api/AuthController.php
+++ b/app/Http/Controllers/Api/AuthController.php
@@ -2,20 +2,44 @@
 
 namespace App\Http\Controllers\Api;
 
+use Cache;
 use Carbon\Carbon;
 use Illuminate\Http\Request;
 use App\Services\Api\UserService;
 use App\Http\Resources\Api\UserResource;
+use Overtrue\LaravelWeChat\EasyWeChat;
+use Illuminate\Support\Arr;
 
 class AuthController extends ApiController
 {
     protected string $serviceName = UserService::class;
 
-    public function codeToSession()
+    public function codeToSession(Request $request)
     {
-        //微信小程序-todo
-        // dd();
-        $openid = '132465';
+        $request->validate([
+            'code' => 'required',
+        ], [
+            'code.required' => '授权码必填',
+        ]);
+        //绑定OPenid
+        $code = $request->input('code');
+        $app = EasyWeChat::miniApp();
+        $utils = $app->getUtils();
+
+        try {
+            $response = $utils->codeToSession($code);
+        }catch (\Throwable $th) {
+            return $this->error($th->getMessage());
+        }
+
+        if (Arr::get($response, 'errcode')) {
+            return $this->error(Arr::get($response, 'errmsg'));
+        }
+
+        $openid = Arr::get($response, 'openid');
+        $sessionKey = Arr::get($response, 'session_key');
+        Cache::put($openid, $sessionKey, 48*60*60);
+
         $user = $this->service->register($openid);
 
         $apiToken = $this->service->login($user);