diff --git a/CMakeLists.txt b/CMakeLists.txt
index 63d06d5..3081748 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -71,3 +71,4 @@ target_link_libraries(jewena_patch utils)
 target_link_libraries(jewena_patch zip)
 
 add_executable(jewena-chs WIN32 main.cpp winres.rc jewena-chs.exe.manifest)
+target_link_libraries(jewena-chs utils)
diff --git a/main.cpp b/main.cpp
index ad6c067..ebcf08c 100644
--- a/main.cpp
+++ b/main.cpp
@@ -1,5 +1,53 @@
 #include <windows.h>
 #include <stdio.h>
+#include "hash_lib.h"
+#include "wchar_util.h"
+#include "str_util.h"
+
+using namespace hash_lib;
+
+static std::string dir;
+
+std::wstring FindStartProcess() {
+    wchar_t path[MAX_PATH];
+    if (GetModuleFileNameW(NULL, path, MAX_PATH) == 0) {
+        return L"";
+    }
+    std::string tPath;
+    if (!wchar_util::wstr_to_str(tPath, path, CP_UTF8)) {
+        return L"";
+    }
+    dir = fileop::dirname(tPath);
+    dir = str_util::str_replace(dir, "/", "\\");
+    std::string name = fileop::join(dir, "*.exe");
+    std::wstring wName;
+    if (!wchar_util::str_to_wstr(wName, name, CP_UTF8)) {
+        return L"";
+    }
+    WIN32_FIND_DATAW data;
+    auto re = FindFirstFileW(wName.c_str(), &data);
+    if (re == INVALID_HANDLE_VALUE) {
+        return L"";
+    }
+    do {
+        std::string tmp;
+        if (!wchar_util::wstr_to_str(tmp, data.cFileName, CP_UTF8)) {
+            FindClose(re);
+            return L"";
+        }
+        if (hashHexFile<SHA512>(tmp) == "01bb9a1b072faa2e10e5489c624eb3b65a7304fd1e32f9015779c341102439e3ec229aa9cb4e1c1fe76e42803320a9c68cbf62cfaa8b145ac7f1481eb37185dc") {
+            FindClose(re);
+            return data.cFileName;
+        }
+        BOOL r = FindNextFileW(re, &data);
+        if (!r) {
+            FindClose(re);
+            if (GetLastError() == ERROR_NO_MORE_FILES) break;
+            return L"";
+        }
+    } while (1);
+    return L"";
+}
 
 void ShowErrorMsg(LPCWSTR text) {
     wchar_t* buf[1024];
@@ -9,7 +57,7 @@ void ShowErrorMsg(LPCWSTR text) {
 
 int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow) {
     // 要启动的进程名
-    const wchar_t* processName = L"jewena.exe";
+    auto processName = FindStartProcess();
     // 要注入的 DLL 路径
     const wchar_t* dllPath = L"jewena_patch.dll";
 
@@ -21,8 +69,18 @@ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine
 
     si.cb = sizeof(si);
 
+    if (processName.empty()) {
+        MessageBoxW(nullptr, L"无法找到游戏的启动文件。", L"错误", MB_ICONERROR);
+        return 1;
+    }
+
+    if (hashHexFile<SHA512>(fileop::join(dir, "system.arc")) != "c69925d1016d1a4b327193bf97c6ac5d1940da0a5c5c28bd693d5655c33a6e0ea7c85e5fa057b98d9dde885f8bca320dee3e46f8b79913dc7a03cebddd1ac771") {
+        MessageBoxW(nullptr, L"system.arc 校验失败。请检查游戏是否正确。", L"错误", MB_ICONERROR);
+        return 1;
+    }
+
     // 创建新进程
-    if (!CreateProcessW((LPCWSTR)processName, nullptr, NULL, NULL, FALSE, CREATE_SUSPENDED, NULL, NULL, &si, &pi)) {
+    if (!CreateProcessW(processName.c_str(), nullptr, NULL, NULL, FALSE, CREATE_SUSPENDED, NULL, NULL, &si, &pi)) {
         ShowErrorMsg(L"CreateProcessW failed: ");
         return 1;
     }
diff --git a/utils b/utils
index 252c20d..eeeedae 160000
--- a/utils
+++ b/utils
@@ -1 +1 @@
-Subproject commit 252c20d0688a84d59227c9934ade5085dd63d291
+Subproject commit eeeedae69730fb108bc5cc0063b963a9ff304b9c