diff --git a/gate.lua b/gate.lua
index 1b79ddf..cd01422 100644
--- a/gate.lua
+++ b/gate.lua
@@ -1,7 +1,7 @@
 local DEFAULT_SERVER_BASE = "https://ticket.fse-media.group"
 local DEFAULT_SERVER_PATH = "/api/tickets/check"
 local GATE_OPEN_SECONDS = 2
-local VERSION = "v1.5.28"
+local VERSION = "v1.5.29"
 local VERSION_CHECK_INTERVAL = 5
 
 local serverURL = nil
@@ -206,6 +206,20 @@ local function isTmGpu(dev)
     and type(dev.sync) == "function"
 end
 
+local function scanForTmGpu()
+  if not peripheral or type(peripheral.getNames) ~= "function" or type(peripheral.wrap) ~= "function" then
+    return nil, nil
+  end
+  local names = peripheral.getNames() or {}
+  for _, name in ipairs(names) do
+    local okWrap, dev = pcall(peripheral.wrap, name)
+    if okWrap and isTmGpu(dev) then
+      return dev, name
+    end
+  end
+  return nil, nil
+end
+
 local function buildTmGpuTerm(dev)
   local gpuTerm = {
     kind = "tm_gpu",
@@ -364,6 +378,13 @@ local function refreshDisplayTarget()
         nextGpuSide = nil
       end
     end
+    if not nextGpu then
+      local dev, name = scanForTmGpu()
+      if dev then
+        nextGpu = dev
+        nextGpuSide = name
+      end
+    end
     if nextMonitorSide and type(peripheral.isPresent) == "function" and peripheral.isPresent(nextMonitorSide) and type(peripheral.wrap) == "function" then
       local okWrap, wrapped = pcall(peripheral.wrap, nextMonitorSide)
       if okWrap and wrapped then
diff --git a/ticketmachine.lua b/ticketmachine.lua
index b30615f..fb758fa 100644
--- a/ticketmachine.lua
+++ b/ticketmachine.lua
@@ -1,6 +1,6 @@
 local CURRENT_STATION_CODE = 'Ticket-Machine'
 local API_BASE = 'https://ticket.fse-media.group/api'
-local VERSION = 'v1.5.26'
+local VERSION = 'v1.5.27'
 local UPDATE_CHECK_INTERVAL = 5
 
 local pack = table.pack or function(...)
@@ -566,6 +566,21 @@ local function findPeripheralByType(typeName)
   return nil, nil
 end
 
+local function scanForTmGpu()
+  if not peripheral or type(peripheral.getNames) ~= 'function' or type(peripheral.wrap) ~= 'function' then
+    return nil, nil
+  end
+  local names = peripheral.getNames() or {}
+  table.sort(names, comparePeripheralName)
+  for _, name in ipairs(names) do
+    local okWrap, dev = pcall(peripheral.wrap, name)
+    if okWrap and isTmGpu(dev) then
+      return dev, name
+    end
+  end
+  return nil, nil
+end
+
 local termDev = nativeTerm or term
 local w, h = termDev.getSize()
 
@@ -578,6 +593,9 @@ local function refreshDevices()
   }, '|')
   monitor, monitorName = findPeripheralByType('monitor')
   tmGpu, tmGpuName = findPeripheralByType('tm_gpu')
+  if not isTmGpu(tmGpu) then
+    tmGpu, tmGpuName = scanForTmGpu()
+  end
   ticketVendingMachine, ticketVendingMachineName = findPeripheralByType('ticket_vending_machine')
   speaker, speakerName = findPeripheralByType('speaker')
   if tmGpu and isTmGpu(tmGpu) then