diff --git a/Web12306/js/ui/ui-autosubmitform.js b/Web12306/js/ui/ui-autosubmitform.js
index 6674a7a..390ff08 100644
--- a/Web12306/js/ui/ui-autosubmitform.js
+++ b/Web12306/js/ui/ui-autosubmitform.js
@@ -375,6 +375,10 @@
 				isRecommand: function () { return false; },
 				getName: data.toSeatTypeName
 			}));
+			dropDown.find(":checkbox").prop("checked", false);
+			cp.selectedSeatType.forEach(function(code) {
+				dropDown.find(":checkbox[value='" + code + "']").prop("checked", true);
+			});
 		};
 		exports.addSeat = function (code) {
 			if (!code || !cp)