修改apitt的信息

core/CoreApp/models/Model_apitt.php

@@ -215,6 +215,10 @@ function __construct(){
 		$lpsq = array();
 		$extra_text = [];
 		$line_items = [];
+		$extra_text['sub_total'] = 0;
+		if(isset($data['payment']) && isset($data['payment']['sub_total'])){
+			$extra_text['sub_total'] = $data['payment']['sub_total'];
+		}
 		$extra_text['packages'] = $data['packages'];
 		foreach ($data['line_items'] as $v) 
 		{