修改了一些东西

ticketmachine.lua

@@ -1,6 +1,6 @@
 local CURRENT_STATION_CODE = 'Ticket-Machine'
 local API_BASE = 'http://ticket.fse-media.group/api'
-local VERSION = 'v1.5.11'
+local VERSION = 'v1.5.12'
 
 -- ###########################
 -- Core HTTP & JSON Utilities
@@ -239,10 +239,7 @@ local function firstNumber(...)
 end
 
 local function currentDeviceId()
-  local dev = nil
-  if os.getComputerLabel then dev = os.getComputerLabel() end
-  if not dev and os.getComputerID then dev = tostring(os.getComputerID()) end
-  return tostring(dev or 'unknown')
+  return 'ticket_machine'
 end
 
 local function normalizeTrainTypeLabel(v)
@@ -658,10 +655,6 @@ local function backgroundSyncTask()
     sleep(5)
     pcall(refreshConfigOnce)
     if versionMismatch == true then
-      pcall(function()
-        clear()
-        centerText(math.floor(h/2), "Auto Updating...", colors.yellow)
-      end)
       pcall(function()
         if shell and type(shell.run) == "function" then
           shell.run("update_machine.lua")
@@ -669,7 +662,7 @@ local function backgroundSyncTask()
           os.run(getfenv and getfenv() or _ENV, "update_machine.lua")
         end
       end)
-      os.reboot()
+      -- Removed os.reboot() to prevent interrupting user unexpectedly
     end
   end
 end
@@ -963,9 +956,7 @@ local function waitButtons()
         end
       end
     elseif ev == 'config_updated' then
-      singleSegments = nil
-      -- If config was updated in background, return to force UI re-render
-      return
+      -- Ignore config_updated while waiting for buttons, to prevent interrupting user's selection
     end
   end
 end
@@ -1211,10 +1202,9 @@ local function buildSingleSegments()
 end
 
 local function showSingleSegmentSelection()
+  singleSegments = buildSingleSegments()
+  singleSegmentScroll = 0
   while state.page == 'single_segment' do
-    if not singleSegments or #singleSegments == 0 then
-      singleSegments = buildSingleSegments()
-    end
     drawHeader('Select Single Segment', 'Select a line and fare')
     Buttons = {}
     local itemsPerPage = math.floor((h - 10) / 4) * 2