diff --git a/gate.lua b/gate.lua
index 2032595..bbee6ea 100644
--- a/gate.lua
+++ b/gate.lua
@@ -1,7 +1,7 @@
 local DEFAULT_SERVER_BASE = "http://ticket.fse-media.group"
 local DEFAULT_SERVER_PATH = "/api/tickets/check"
 local GATE_OPEN_SECONDS = 2
-local VERSION = "v1.5.17"
+local VERSION = "v1.5.18"
 local VERSION_CHECK_INTERVAL = 5
 
 local CONFIG_PATH = "gate_config.json"
@@ -192,6 +192,7 @@ local function checkAndApplyUpdate()
         print("OTA Update Error: " .. tostring(res))
         term.setTextColor(colors.white)
       end
+      sleep(3)
     end
   else
     lastUpdateError = "loadfile failed: " .. tostring(err)
@@ -200,6 +201,7 @@ local function checkAndApplyUpdate()
       print("OTA Update Error: " .. tostring(err))
       term.setTextColor(colors.white)
     end
+    sleep(3)
   end
   
   isUpdating = false
@@ -1521,24 +1523,23 @@ end
 
 local function backgroundLocationSyncTask()
   sleep(5)
+  local x, y, z
   if gps and type(gps.locate) == "function" then
-    local x, y, z = gps.locate(2)
-    if x and y and z then
-      local label = os.getComputerLabel()
-      if not label or label == "" then label = "#" .. tostring(os.getComputerID()) end
-      local payload = {
-        device_id = label,
-        type = "Gate",
-        gate_mode = modeBySide and "bidirectional" or mode,
-        station_code = stationCodeForSide(nil) or "",
-        x = x,
-        y = y,
-        z = z
-      }
-      local serverBase = guessBaseFromStatusURL(serverURL)
-      pcall(postCheck, serverBase .. '/api/machine-location', payload)
-    end
+    x, y, z = gps.locate(2)
   end
+  local label = os.getComputerLabel()
+  if not label or label == "" then label = "#" .. tostring(os.getComputerID()) end
+  local payload = {
+    device_id = label,
+    type = "Gate",
+    gate_mode = modeBySide and "bidirectional" or mode,
+    station_code = stationCodeForSide(nil) or "",
+    x = x,
+    y = y,
+    z = z
+  }
+  local serverBase = guessBaseFromStatusURL(serverURL)
+  pcall(postCheck, serverBase .. '/api/machine-location', payload)
   while true do
     sleep(86400)
   end
diff --git a/server/services/data.js b/server/services/data.js
index a405ba3..3b3dbf8 100644
--- a/server/services/data.js
+++ b/server/services/data.js
@@ -22,8 +22,8 @@ const pool = mysql.createPool({
 });
 
 const DEFAULT_LUA_VERSIONS = {
-  ticketmachine: 'v1.5.16',
-  gate: 'v1.5.16'
+  ticketmachine: 'v1.5.18',
+  gate: 'v1.5.18'
 };
 
 function normalizeLuaVersions(input) {
diff --git a/ticketmachine.lua b/ticketmachine.lua
index d90469c..410f57d 100644
--- a/ticketmachine.lua
+++ b/ticketmachine.lua
@@ -1,6 +1,6 @@
 local CURRENT_STATION_CODE = 'Ticket-Machine'
 local API_BASE = 'http://ticket.fse-media.group/api'
-local VERSION = 'v1.5.17'
+local VERSION = 'v1.5.18'
 local UPDATE_CHECK_INTERVAL = 5
 
 -- ###########################
@@ -722,6 +722,7 @@ local function checkAndApplyUpdate()
         print("OTA Update Error: " .. tostring(res))
         term.setTextColor(colors.white)
       end
+      sleep(3)
     end
   else
     lastUpdateError = "loadfile failed: " .. tostring(err)
@@ -730,6 +731,7 @@ local function checkAndApplyUpdate()
       print("OTA Update Error: " .. tostring(err))
       term.setTextColor(colors.white)
     end
+      sleep(3)
   end
   
   isUpdating = false
@@ -777,21 +779,20 @@ end
 
 local function backgroundLocationSyncTask()
   sleep(5)
+  local x, y, z
   if gps and type(gps.locate) == "function" then
-    local x, y, z = gps.locate(2)
-    if x and y and z then
-      local payload = {
-        device_id = currentDeviceId(),
-        type = "TicketMachine",
-        station = (CFG.current_station and (CFG.current_station.en_name or CFG.current_station.name)) or state.stationName,
-        station_code = state.stationCode or CURRENT_STATION_CODE,
-        x = x,
-        y = y,
-        z = z
-      }
-      postJSONResult(API_BASE .. '/machine-location', payload)
-    end
+    x, y, z = gps.locate(2)
   end
+  local payload = {
+    device_id = currentDeviceId(),
+    type = "TicketMachine",
+    station = (CFG.current_station and (CFG.current_station.en_name or CFG.current_station.name)) or state.stationName,
+    station_code = state.stationCode or CURRENT_STATION_CODE,
+    x = x,
+    y = y,
+    z = z
+  }
+  postJSONResult(API_BASE .. '/machine-location', payload)
   while true do
     sleep(86400)
   end