Updated 客户端多国语文案 (markdown)

@@ -242,4 +242,17 @@ Failed to get time
 Failed to add lesson
 
 删除课程失败
-Failed to delete lesson
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+Failed to delete lesson
+
+下载进度 Downloading
+
+/秒 /s
+
+本分级还没有属于你的课程
+No lesson is available for you yet.
+
+找回密码 Password Assistance
+
+请填写你的注册邮箱账号。 Please enter your e-mail address associated with your BOXFiSH account.
+
+邮件地址 E-mail address
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