diff --git a/data/computercraft/lua/rom/programs/catos.lua b/data/computercraft/lua/rom/programs/catos.lua
index 9913d7d..113aa5e 100644
--- a/data/computercraft/lua/rom/programs/catos.lua
+++ b/data/computercraft/lua/rom/programs/catos.lua
@@ -11,7 +11,7 @@ local SITE = "https://catos.cpolar.cn"
 textutils.coloredPrint("You are going to install CatOS to your computer.")
 textutils.coloredPrint("We suggest you backup the files before install the CatOS.")
 textutils.coloredPrint(colors.yellow, "Are you sure? (y/n)")
-local confirm = read()
+local confirm = term.read()
 if confirm ~= "y" then
   print("Installation cancelled.")
   return
diff --git a/installer.lua b/installer.lua
index 31ef59d..683411e 100644
--- a/installer.lua
+++ b/installer.lua
@@ -1,5 +1,5 @@
 -- LeonOS installer
-local INSTALLER_VERSION = "1.0.1 Beta 2"
+local INSTALLER_VERSION = "1.0.1 Beta 3"
 local DEFAULT_ROM_DIR = "/leonos"
 
 print("Start loading LeonOS installer ("..INSTALLER_VERSION..")...")