diff --git a/locales/zh_Hans/main.ftl b/locales/zh_Hans/main.ftl
index 9e67ce6..6c7e845 100644
--- a/locales/zh_Hans/main.ftl
+++ b/locales/zh_Hans/main.ftl
@@ -16,7 +16,7 @@ tr-menu-view-show-bboxes = 显示 BBoxes
 tr-menu-view-show-layer-manager = 显示图层管理器
 tr-menu-view-frame-timestep = 帧时间步长
 tr-dialog-error-messages = 错误消息
-tr-menu-open-specctra-session-file = Specctra 会话文件
+tr-menu-open-specctra-session-file = Specctra 会话文件 (*.ses)
 tr-dialog-error-messages-discard = 丢弃
 tr-module-specctra-dsn-file-loader = Specctra DSN 文件加载程序
 tr-module-history-file-loader = 历史文件加载程序
@@ -45,3 +45,4 @@ tr-menu-preferences = 首选项
 tr-menu-route-routed-band-width = 布线宽度
 tr-menu-edit-unselect-all = 取消全选
 tr-menu-edit-select-all = 全选
+tr-menu-open-specctra-design-file = Specctra 设计文件 (*.dsn)