diff --git a/install_ticketmachine.lua b/install_ticketmachine.lua
index f14d709..c3478d1 100644
--- a/install_ticketmachine.lua
+++ b/install_ticketmachine.lua
@@ -1,5 +1,6 @@
 
-local URL_MACHINE_HTTP = "http://gitea.fse-media.group/Henry_Du/FSE-Ticket.sys/src/commit/d6aa03d3a78f8b6fbd2754bf3f4199392c6ef4c1/ticketmachine.lua"
+local URL_MACHINE_HTTP = "http://gitea.fse-media.group/Henry_Du/FSE-Ticket.sys/raw/branch/main/ticketmachine.lua"
+local URL_UPDATE_MACHINE = "http://gitea.fse-media.group/Henry_Du/FSE-Ticket.sys/raw/branch/main/update_machine.lua"
 
 local function writeFile(path, content, binary)
   local mode = binary and "wb" or "w"
@@ -67,12 +68,22 @@ if not ok or type(code) ~= "string" or #code == 0 then
   return
 end
 
+local okUpdate, updateCode = httpGet(URL_UPDATE_MACHINE)
+if not okUpdate or type(updateCode) ~= "string" or #updateCode == 0 then
+  print("Download failed: " .. tostring(updateCode or ""))
+  return
+end
+
 if not atomicWrite("startup", code, false) then
   print("Write failed: startup")
   return
 end
 atomicWrite("startup.lua", code, false)
 if fs.exists("ticketmachine.lua") then atomicWrite("ticketmachine.lua", code, false) end
+if not atomicWrite("update_machine.lua", updateCode, false) then
+  print("Write failed: update_machine.lua")
+  return
+end
 
 print("")
 print("Done.")
diff --git a/installer.lua b/installer.lua
index 6a084d0..143b52b 100644
--- a/installer.lua
+++ b/installer.lua
@@ -1,6 +1,7 @@
-local URL_ERROR = "http://gitea.fse-media.group/Henry_Du/FSE-Ticket.sys/src/commit/d6aa03d3a78f8b6fbd2754bf3f4199392c6ef4c1/error.dfpwm"
-local URL_PASS = "http://gitea.fse-media.group/Henry_Du/FSE-Ticket.sys/src/commit/d6aa03d3a78f8b6fbd2754bf3f4199392c6ef4c1/pass.dfpwm"
-local URL_GATE = "http://gitea.fse-media.group/Henry_Du/FSE-Ticket.sys/src/commit/d6aa03d3a78f8b6fbd2754bf3f4199392c6ef4c1/gate.lua"
+local URL_ERROR = "http://gitea.fse-media.group/Henry_Du/FSE-Ticket.sys/raw/branch/main/error.dfpwm"
+local URL_PASS = "http://gitea.fse-media.group/Henry_Du/FSE-Ticket.sys/raw/branch/main/pass.dfpwm"
+local URL_GATE = "http://gitea.fse-media.group/Henry_Du/FSE-Ticket.sys/raw/branch/main/gate.lua"
+local URL_UPDATE_GATE = "http://gitea.fse-media.group/Henry_Du/FSE-Ticket.sys/raw/branch/main/update_gate.lua"
 
 local CONFIG_PATH = "gate_config.json"
 
@@ -137,6 +138,7 @@ end
 
 writeFile("startup.lua", gateCode, false)
 writeFile("startup", gateCode, false)
+if not download(URL_UPDATE_GATE, "update_gate.lua", false) then return end
 
 print("")
 print("Done.")
diff --git a/installer_bi.lua b/installer_bi.lua
index ab4c7a6..9e0f9f4 100644
--- a/installer_bi.lua
+++ b/installer_bi.lua
@@ -1,6 +1,7 @@
-local URL_ERROR = "http://gitea.fse-media.group/Henry_Du/FSE-Ticket.sys/src/commit/d6aa03d3a78f8b6fbd2754bf3f4199392c6ef4c1/error.dfpwm"
-local URL_PASS = "http://gitea.fse-media.group/Henry_Du/FSE-Ticket.sys/src/commit/d6aa03d3a78f8b6fbd2754bf3f4199392c6ef4c1/pass.dfpwm"
-local URL_GATE = "http://gitea.fse-media.group/Henry_Du/FSE-Ticket.sys/src/commit/d6aa03d3a78f8b6fbd2754bf3f4199392c6ef4c1/gate.lua"
+local URL_ERROR = "http://gitea.fse-media.group/Henry_Du/FSE-Ticket.sys/raw/branch/main/error.dfpwm"
+local URL_PASS = "http://gitea.fse-media.group/Henry_Du/FSE-Ticket.sys/raw/branch/main/pass.dfpwm"
+local URL_GATE = "http://gitea.fse-media.group/Henry_Du/FSE-Ticket.sys/raw/branch/main/gate.lua"
+local URL_UPDATE_GATE = "http://gitea.fse-media.group/Henry_Du/FSE-Ticket.sys/raw/branch/main/update_gate.lua"
 
 local CONFIG_PATH = "gate_config.json"
 
@@ -156,6 +157,7 @@ end
 
 writeFile("startup.lua", gateCode, false)
 writeFile("startup", gateCode, false)
+if not download(URL_UPDATE_GATE, "update_gate.lua", false) then return end
 
 print("")
 print("Done.")
diff --git a/installer_refill.lua b/installer_refill.lua
index bc3edc6..a263d48 100644
--- a/installer_refill.lua
+++ b/installer_refill.lua
@@ -1,4 +1,5 @@
-local URL_REFILL_MACHINE = "http://gitea.fse-media.group/Henry_Du/FSE-Ticket.sys/src/commit/d6aa03d3a78f8b6fbd2754bf3f4199392c6ef4c1/refillmachine.lua"
+local URL_REFILL_MACHINE = "http://gitea.fse-media.group/Henry_Du/FSE-Ticket.sys/raw/branch/main/refillmachine.lua"
+local URL_UPDATE_REFILL = "http://gitea.fse-media.group/Henry_Du/FSE-Ticket.sys/raw/branch/main/update_refill.lua"
 
 local function writeFile(path, content, binary)
   local mode = binary and "wb" or "w"
@@ -65,6 +66,12 @@ if not ok or type(code) ~= "string" or #code == 0 then
   return
 end
 
+local okUpdate, updateCode = httpGet(URL_UPDATE_REFILL)
+if not okUpdate or type(updateCode) ~= "string" or #updateCode == 0 then
+  print("Download failed: " .. tostring(updateCode or ""))
+  return
+end
+
 if not atomicWrite("refillmachine.lua", code, false) then
   print("Write failed: refillmachine.lua")
   return
@@ -77,6 +84,10 @@ if not atomicWrite("startup", code, false) then
   print("Write failed: startup")
   return
 end
+if not atomicWrite("update_refill.lua", updateCode, false) then
+  print("Write failed: update_refill.lua")
+  return
+end
 
 print("")
 print("Done.")
diff --git a/update_gate.lua b/update_gate.lua
index b17a6e3..ae262a8 100644
--- a/update_gate.lua
+++ b/update_gate.lua
@@ -1,5 +1,5 @@
 
-local URL_GATE = "http://gitea.fse-media.group/Henry_Du/FSE-Ticket.sys/src/commit/d6aa03d3a78f8b6fbd2754bf3f4199392c6ef4c1/gate.lua"
+local URL_GATE = "http://gitea.fse-media.group/Henry_Du/FSE-Ticket.sys/raw/branch/main/gate.lua"
 
 local function writeFile(path, content, binary)
   local mode = binary and "wb" or "w"
diff --git a/update_machine.lua b/update_machine.lua
index 2f1bc8a..2ab3a15 100644
--- a/update_machine.lua
+++ b/update_machine.lua
@@ -1,5 +1,5 @@
 
-local URL_MACHINE = "http://gitea.fse-media.group/Henry_Du/FSE-Ticket.sys/src/commit/d6aa03d3a78f8b6fbd2754bf3f4199392c6ef4c1/ticketmachine.lua"
+local URL_MACHINE = "http://gitea.fse-media.group/Henry_Du/FSE-Ticket.sys/raw/branch/main/ticketmachine.lua"
 
 local function writeFile(path, content, binary)
   local mode = binary and "wb" or "w"
diff --git a/update_refill.lua b/update_refill.lua
index bb9f0cf..c353506 100644
--- a/update_refill.lua
+++ b/update_refill.lua
@@ -1,4 +1,5 @@
-local URL_REFILL_MACHINE = "http://gitea.fse-media.group/Henry_Du/FSE-Ticket.sys/src/commit/d6aa03d3a78f8b6fbd2754bf3f4199392c6ef4c1/refillmachine.lua"
+
+local URL_REFILL_MACHINE = "http://gitea.fse-media.group/Henry_Du/FSE-Ticket.sys/raw/branch/main/refillmachine.lua"
 
 local function writeFile(path, content, binary)
   local mode = binary and "wb" or "w"