修改edit和readonly环境下 fullorder_edit的js报错的bug

template/erp/js/fullorder-addedit.js

@@ -612,10 +612,13 @@ $("#currency").change(function(){
 		//printtype();暂时不用
 		//快递变动引发申报品名变动
 		let tmp_sbpm =  $("select[name=express]").find("option:selected").data('sbpm');
-		if(tmp_sbpm.length > 0){
-			$("select[name=sbpm]").val(tmp_sbpm).trigger('change')
+		if(tmp_sbpm){
+			if(tmp_sbpm.length > 0){
+				$("select[name=sbpm]").val(tmp_sbpm).trigger('change')
+			}
 		}
 		
+		
 
 		var type = $(this).find("option:selected").data("type");
 		$("select[name=printtype]").find("option[value='"+type+"']").prop("selected","selected");