Merge branch 'feature/airdrop' into develop

api/controllers/AirDropController.php

@@ -245,7 +245,7 @@ class AirDropController extends BaseController
 
         $model = AirDrop::find()->select('id, wallet_address')->where(['identifier' => $identifier, 'miner_address' => $miner_address])->one();
 
-        if (empty($model) || empty($model->record)) {
+        if (empty($model) || empty($model->wallet_address) || empty($model->record)) {
             $this->code = -1;
             $this->msg = '设备初始化中，请稍后再试.';
             goto doEnd;