not deal with Chinese char, the below link can work
http://172.16.0.109/ikiwiki.cgi?do=blog&from=aaa%2Fbugs&subpage=1&title=aaa
+
+---
+
+> I don't think this is actually caused by the Chinese text. The problem is that
+> you used `rootpage="./bugs"`, which leads to the `blog` request handler
+> generating an invalid page name. If you change it to `rootpage="bugs"` does
+> that fix the error?
+>
+> Ideally either the `inline` directive or the `blog` request handler would
+> understand and remove `./`, if it's something that makes sense in this context.
+> --[[smcv]]
+
+---
+
+> I have found the problem, it is inline plugin can not decode_utf8 "from", the below is patch:
+
+ From f79dde20b275707f70df2d481919a079abec6c19 Mon Sep 17 00:00:00 2001
+ From: Feng Shu <tumashu@163.com>
+ Date: Sun, 2 Dec 2018 08:38:34 +0800
+ Subject: [PATCH 1/2] Fix inline plugin can no set rootpage to a UTF-8 page
+
+ ---
+ IkiWiki/Plugin/inline.pm | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+ diff --git a/IkiWiki/Plugin/inline.pm b/IkiWiki/Plugin/inline.pm
+ index a85cd5d2f..f40956821 100644
+ --- a/IkiWiki/Plugin/inline.pm
+ +++ b/IkiWiki/Plugin/inline.pm
+ @@ -125,7 +125,7 @@ sub sessioncgi ($$) {
+ error(gettext("please enter a page title"));
+ }
+ # if the page already exists, munge it to be unique
+ - my $from=$q->param('from');
+ + my $from=decode_utf8($q->param('from'));
+ my $add="";
+ while (exists $IkiWiki::pagecase{lc($from."/".$page.$add)}) {
+ $add=1 unless length $add;
+ --
+ 2.19.0
+
+---
+
+> [Request for clarification removed]
+>
+> I've now been able to reproduce this bug, and confirmed that your patch
+> fixes it. [[Patch now applied|done]].
+>
+> (For other maintainers' reference: when testing Unicode bugs that
+> relate to page titles, using Unicode that is considered to be
+> punctuation, like ¬ or emoji, will probably not work; page titles
+> treat `[:alnum:]` and `^[:alnum:]` differently.)
+>
+> In future bug reports it would be useful if you could provide a minimal
+> example or test, perhaps on the [[sandbox]] on this wiki or as a unit
+> test in `t/*.t` in the ikiwiki source code, that demonstrates this bug
+> and would be fixed by the patch. If you've found multiple bugs, a
+> separate example or test for each one would be easiest to deal with.
+>
+> You can run all the tests with:
+>
+> ./Makefile.PL
+> make
+> make test
+>
+> or a single test with something like:
+>
+> ./Makefile.PL
+> make
+> PERL5LIB=. ./t/git-cgi.t
+>
+> --[[smcv]]