Add

app/Http/Controllers/Api/V1/CommonController.php

@@ -53,7 +53,7 @@ class CommonController extends Controller
 
         $session_key = !empty($data['session_key']) ? $data['session_key'] : '';
         $user = User::select(['id', 'status', 'phone', 'nickname', 'avatar'])->where('openid', $data['openid'])->first();
-        if($req['iv'] && $req['encryptData']) {
+        if(!empty($req['iv']) && !empty($req['encryptData'])) {
             $decryptedData = $app->encryptor->decryptData($session_key, $req['iv'], $req['encryptData']);
             \Log::info($decryptedData);
             if(isset($decryptedData['unionId']))$data['unionid'] = $decryptedData['unionId'];