From c91c989b5714cdd125cf08af395a1b9a0e54b3dc Mon Sep 17 00:00:00 2001
From: Leonmmcoset <testmod@qq.com>
Date: Wed, 3 Sep 2025 14:41:52 +0800
Subject: [PATCH] =?UTF-8?q?fix(lgui):=20=E5=AE=89=E5=85=A8=E5=A4=84?=
 =?UTF-8?q?=E7=90=86os.pullEvent=E8=B0=83=E7=94=A8?=
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添加对os.pullEvent函数的类型检查，防止在函数不可用时抛出错误
---
 data/computercraft/lua/rom/apis/lgui.lua | 9 ++++++++-
 installer.lua                            | 2 +-
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/data/computercraft/lua/rom/apis/lgui.lua b/data/computercraft/lua/rom/apis/lgui.lua
index 80538ff..1bf6f2b 100644
--- a/data/computercraft/lua/rom/apis/lgui.lua
+++ b/data/computercraft/lua/rom/apis/lgui.lua
@@ -592,7 +592,14 @@ end
 
 function GUIManager:handleEvents()
   while self.running do
-    local event = {os.pullEvent()}
+    -- Safely get the pullEvent function
+    local pullEventFunc = os.pullEvent
+    if type(pullEventFunc) ~= "function" then
+      error("os.pullEvent is not a function")
+    end
+    
+    -- Get the next event
+    local event = {pullEventFunc()}
     local eventName = event[1]
     local handled = false
 
diff --git a/installer.lua b/installer.lua
index 24c837f..4da2b88 100644
--- a/installer.lua
+++ b/installer.lua
@@ -1,5 +1,5 @@
 -- LeonOS installer
-local INSTALLER_VERSION = "0.3.8 Beta 3 Alpha 3"
+local INSTALLER_VERSION = "0.3.8 Beta 4"
 local DEFAULT_ROM_DIR = "/leonos"
 
 print("Start loading LeonOS installer ("..INSTALLER_VERSION..")...")