diff --git a/LunaTranslator/LunaTranslator/LunaTranslator_main.py b/LunaTranslator/LunaTranslator/LunaTranslator_main.py
index 51676dc2..9aa45b2a 100644
--- a/LunaTranslator/LunaTranslator/LunaTranslator_main.py
+++ b/LunaTranslator/LunaTranslator/LunaTranslator_main.py
@@ -2,6 +2,7 @@ import sys, windows
 import platform, os
 
 if __name__ == "__main__":
+    _lock = windows.AutoHandle(windows.CreateMutex(False, "LUNA_UPDATER_BLOCK"))
     dirname = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
     os.chdir(dirname)
     windows.addenvpath("./LunaTranslator/runtime/")  # win7 no vcredist2015
diff --git a/LunaTranslator/LunaTranslator/myutils/githubupdate.py b/LunaTranslator/LunaTranslator/myutils/githubupdate.py
index ec989dfe..0df1c3d0 100644
--- a/LunaTranslator/LunaTranslator/myutils/githubupdate.py
+++ b/LunaTranslator/LunaTranslator/myutils/githubupdate.py
@@ -5,12 +5,10 @@ from myutils.proxy import getproxy
 from traceback import print_exc
 import zipfile, os
 from myutils.config import globalconfig
-import windows
+import subprocess
 
 
 def getvesionmethod():
-    url = "https://github.com/HIllya51/LunaTranslator/releases/"
-
     try:
         headers = {
             "Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9",
@@ -36,34 +34,13 @@ def getvesionmethod():
 def update():
     if platform.architecture()[0] == "64bit":
         bit = ""
+        _6432 = "64"
     elif platform.architecture()[0] == "32bit":
         bit = "_x86"
-    with open("./cache/update/update.bat", "w", encoding="utf8") as ff:
-
-        ff.write(
-            r""" 
-@echo off 
-:waitloop
-tasklist | find "LunaTranslator_main.exe" > nul
-if %errorlevel%==0 (
-    timeout /t 1 > nul
-    goto waitloop
-)
-timeout 1
-xcopy .\cache\update\LunaTranslator"""
-            + bit
-            + r""" .\ /s /e /c /y /h /r 
-exit
-                """
-        )
-    windows.ShellExecute(
-        None,
-        "open",
-        "cache\\update\\update.bat",
-        "",
-        os.path.dirname("."),
-        windows.SW_HIDE,
-    )
+        _6432 = "32"
+    os.makedirs("./cache", exist_ok=True)
+    shutil.copy(rf".\files\plugins\shareddllproxy{_6432}.exe", rf".\cache\Updater.exe")
+    subprocess.Popen(rf".\cache\Updater.exe update .\cache\update\LunaTranslator{bit}")
 
 
 def updatemethod(_version, progresscallback):
diff --git a/plugins/shareddllproxy/CMakeLists.txt b/plugins/shareddllproxy/CMakeLists.txt
index c8302758..59be03b3 100644
--- a/plugins/shareddllproxy/CMakeLists.txt
+++ b/plugins/shareddllproxy/CMakeLists.txt
@@ -12,7 +12,7 @@ generate_product_version(
 )
 
 
-add_executable(shareddllproxy shareddllproxy.cpp dllinject.cpp ntleas.cpp aspatch.cpp ${versioninfo})
+add_executable(shareddllproxy shareddllproxy.cpp dllinject.cpp ntleas.cpp aspatch.cpp update.cpp ${versioninfo})
 target_precompile_headers(shareddllproxy REUSE_FROM pch) 
 if(${CMAKE_SIZEOF_VOID_P} EQUAL 8)
 	
diff --git a/plugins/shareddllproxy/shareddllproxy.cpp b/plugins/shareddllproxy/shareddllproxy.cpp
index c3ebf555..58fb1d87 100644
--- a/plugins/shareddllproxy/shareddllproxy.cpp
+++ b/plugins/shareddllproxy/shareddllproxy.cpp
@@ -2,6 +2,7 @@
 
 int dllinjectwmain(int argc, wchar_t *argv[]);
 int ntleaswmain(int argc, wchar_t *wargv[]);
+int updatewmain(int argc, wchar_t *wargv[]);
 bool checkisapatch();
 #ifndef _WIN64
 int LRwmain(int argc, wchar_t *argv[]);
@@ -61,6 +62,8 @@ int wmain(int argc, wchar_t *argv[])
         return ntleaswmain(argc - 1, argv + 1);
     if (argv0 == L"listpm")
         return listprocessmodule(argc - 1, argv + 1);
+    if (argv0 == L"update")
+        return updatewmain(argc - 1, argv + 1);
 
 #ifndef _WIN64
     else if (argv0 == L"LR")
diff --git a/plugins/shareddllproxy/update.cpp b/plugins/shareddllproxy/update.cpp
new file mode 100644
index 00000000..afb6e036
--- /dev/null
+++ b/plugins/shareddllproxy/update.cpp
@@ -0,0 +1,36 @@
+#pragma comment(linker, "/subsystem:windows /entry:wmainCRTStartup")
+
+int updatewmain(int argc, wchar_t *argv[])
+{
+    if (argc <= 1)
+        return 0;
+    AutoHandle hMutex = CreateMutex(NULL, FALSE, L"LUNA_UPDATER_SINGLE");
+
+    if (GetLastError() == ERROR_ALREADY_EXISTS)
+        return 0;
+    while (true)
+    {
+        AutoHandle semaphore = CreateMutex(NULL, FALSE, L"LUNA_UPDATER_BLOCK");
+        if (GetLastError() != ERROR_ALREADY_EXISTS)
+            break;
+        Sleep(1000);
+    }
+    WCHAR path[MAX_PATH];
+    GetModuleFileNameW(GetModuleHandle(0), path, MAX_PATH);
+
+    *(wcsrchr(path, '\\')) = 0;
+    *(wcsrchr(path, '\\')) = 0;
+
+    SetCurrentDirectory(path);
+    try
+    {
+        std::filesystem::copy(argv[1], L".\\", std::filesystem::copy_options::recursive | std::filesystem::copy_options::overwrite_existing);
+        MessageBoxW(0, L"Update success", L"Success", 0);
+    }
+    catch (std::exception &e)
+    {
+        MessageBoxW(0, (StringToWideString(e.what()) + L"\r\nUpdate failed, maybe you should download again to fix errors").c_str(), L"Error", 0);
+        ShellExecute(0, L"open", L"https://github.com/HIllya51/LunaTranslator/releases", NULL, NULL, SW_SHOWNORMAL);
+    }
+    return 0;
+}
\ No newline at end of file