diff --git a/Zenitha b/Zenitha
index 3a1bfd2e..60b2aa7d 160000
--- a/Zenitha
+++ b/Zenitha
@@ -1 +1 @@
-Subproject commit 3a1bfd2e3efdd9b28e346a34ebb71c3f345c7d08
+Subproject commit 60b2aa7d8054857ece17dac38184a21cb5e265c5
diff --git a/conf.lua b/conf.lua
index 5836c387..1e883ea2 100644
--- a/conf.lua
+++ b/conf.lua
@@ -11,7 +11,7 @@ if ShellOption.bootDisabled then
     return
 end
 
-if love._os=='Web' then
+if love['_os']=='Web' then
     local oldRead=love.filesystem.read
     love.filesystem[('read')]=function(name,size)
         if love.filesystem.getInfo(name) then return oldRead(name,size) end
@@ -23,7 +23,7 @@ function love.conf(t)
     local mobile=love._os=='Android' or love._os=='iOS'
     local web=love._os=='Web'
     local msaa=4
-    local portrait=false
+    local portrait=false ---@type boolean|nil
 
     local fs=love.filesystem
     fs.setIdentity(identity)
diff --git a/shell.lua b/shell.lua
index bda7cedc..011be06c 100644
--- a/shell.lua
+++ b/shell.lua
@@ -6,9 +6,10 @@ end
 local _require=require
 local require=simpRequire('Zenitha.')
 local rnd=math.random
+AE=require'escape'
+LOG=require'log'
 STRING=require'stringExtend'
 TABLE=require'tableExtend'
-AE=require'escape'
 
 local stdout=io.stdout
 function write(text)
@@ -17,7 +18,7 @@ function write(text)
 end
 local function sleep(time)
     if time<=0 then return end
-    if love._os=='Linux' then
+    if love['_os']=='Linux' then
         os.execute('sleep '..time)
     else
         local fin=os.clock()+time