Hi cncxy, I am sorry for the bad translation, but can you please check your history settings in Preferences/Options > Privacy > History to make sure that they are set to "Remember History"

If you have more questions we will do our best to translate.

你好cncxy，我很抱歉不好翻译，但你可以请你的历史记录设置在Prefernces/选项>隐私>历史记录，以确保它们设置为“记住历史”

如果您有更多的问题，我们将尽我们所能来翻译。

You can also check for problems with the places.sqlite database file in the Firefox profile folder.

• http://kb.mozillazine.org/Bookmarks_history_and_toolbar_buttons_not_working_-_Firefox
• https://support.mozilla.org/kb/Bookmarks+not+saved#w_fix-the-bookmarks-file

Do you also have problems with the cookies?

• https://support.mozilla.org/kb/Cookies
• http://kb.mozillazine.org/Cookies