'fix'

src/Services/Channel/ChannelService.php

@@ -22,7 +22,7 @@ class ChannelService
         }
 
         if ($phone || $phone !== '') {
-            $channel_user_id = DB::connection('mysql')->table('channel_users')->where(['phone'=>$phone])->pluck('id')->get();
+            $channel_user_id = DB::connection('mysql')->table('channel_users')->where(['phone'=>$phone])->pluck('id')->all();
             \Log::info('channel_user_id: '.json_encode($channel_user_id, 256));
             $where['phone'] = $phone;
         }