Updated 客户端多国语文案 (markdown)

@@ -618,3 +618,18 @@ The lesson's canceled for some reason.
 No students choose this period...
 
 Swipe left or right to change pages.
+
+正在获取课程列表
+Getting lessons...
+
+正在获取课程
+Getting the lesson...
+
+正在获取课程信息
+Getting the information...
+
+正在获取课程资源信息
+Getting the information...
+
+本课程需要更新，请检查您的网络是否正常连接以保证课程更新。
+The lesson's been updated; Please verify your connection to re-download  the lesson.
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