optimize admin predpay

admin/control/predeposit.php

@@ -725,7 +725,7 @@ class predepositControl extends SystemControl{
 				$member_info['member_name'] = Language::getUTF8($member_info['member_name']);
 			}
 			echo json_encode(array('id'=>$member_info['member_id'],
-                'name'=>$member_info['member_mobile']."({$member_info['member_nick']}:{$member_info['member_name']})",
+                'name'=>$member_info['member_mobile']."({$member_info['member_nickname']}:{$member_info['member_name']})",
                 'available_predeposit'=>$member_info['available_predeposit'],
                 'freeze_predeposit'=>$member_info['freeze_predeposit']));
 		}