'对返回书籍内容判断bug修复'

app/Http/Controllers/QuickApp/Book/BookController.php

@@ -209,7 +209,7 @@ class BookController extends BaseController
             if(!$this->send_order_id || $this->send_order_id == 0 ){
                 \Log::info('un_send_order_book:uid:'.$this->uid);
                 $result = $this->getCheckBids($channel,$books,$package_id);
-                if($result){
+                if(isset($result[0]['books']) && !empty($result[0]['books'])){
                     return response()->success($result);
                 }
                 return $this->getCheckBids($channel,$books,0);