修改tiktok客户界面添加下单时，由于礼物类引起的报错

core/CoreApp/controllers/Customertt.php

@@ -1348,14 +1348,16 @@ class customertt extends Start_Controller {
 				    $ptitleb = '';
 				    $fp = explode('|',trim($v,'|'));
 				    $fp0 = explode(',',$fp[0]);
-				    $fp1 = explode('-',trim($fp0[1],'-'));
-				    foreach ($fp1 as $vv)
-				    {
-					    $ptitleb .= isset($dtctitle[$vv])?$dtctitle[$vv][0].' ':'';
-				    }
-				    $ptitleb .= $dtctitle[$fp0[0]][1].'inch ';
-				    $fp[1] = $ptitleb;
-				    $fdata .= implode("|",$fp).";";
+					if(isset($fp0[1])){
+						$fp1 = explode('-',trim($fp0[1],'-'));
+						foreach ($fp1 as $vv)
+						{
+							$ptitleb .= isset($dtctitle[$vv])?$dtctitle[$vv][0].' ':'';
+						}
+						$ptitleb .= $dtctitle[$fp0[0]][1].'inch ';
+						$fp[1] = $ptitleb;
+						$fdata .= implode("|",$fp).";";
+					}
 			    }
 			    $fpdata = $fdata;
 			}