diff --git a/CMakeLists.txt b/CMakeLists.txt
index be8b9df..44ec7a2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -14,7 +14,7 @@ set(ENABLE_ICONV OFF CACHE BOOL "Libiconv is not needed.")
 add_subdirectory(utils)
 include_directories("${CMAKE_CURRENT_SOURCE_DIR}/utils")
 
-add_library(jewena_patch SHARED dllmain.cpp)
+add_library(jewena_patch SHARED dllmain.cpp config.hpp config.cpp)
 target_link_libraries(jewena_patch "${DETOURS_LIB}")
 target_link_libraries(jewena_patch utils)
 
diff --git a/config.cpp b/config.cpp
new file mode 100644
index 0000000..fc84d6b
--- /dev/null
+++ b/config.cpp
@@ -0,0 +1,48 @@
+#include "config.hpp"
+#include "fileop.h"
+#include "file_reader.h"
+#include "malloc.h"
+
+#include <fcntl.h>
+#if _WIN32
+#include <Windows.h>
+#endif
+
+bool Config::Load(std::string path) {
+    if (!fileop::exists(path)) {
+        return false;
+    }
+    int fd = 0;
+    int err = fileop::open(path, fd, O_RDONLY, _SH_DENYRW, _S_IREAD);
+    if (err < 0) {
+        return false;
+    }
+    FILE* f = fileop::fdopen(fd, "rb");
+    if (!f) {
+        fileop::close(fd);
+        return false;
+    }
+    auto reader = create_file_reader(f, 0);
+    char* line = nullptr;
+    size_t line_size = 0;
+    while (!file_reader_read_line(reader, &line, &line_size)) {
+        std::string l(line, line_size);
+        free(line);
+        line = nullptr;
+        line_size = 0;
+        size_t comment_pos = l.find_first_of('#');
+        if (comment_pos != std::string::npos) {
+            l = l.substr(0, comment_pos);
+        }
+        size_t eq_pos = l.find_first_of('=');
+        if (eq_pos == std::string::npos) {
+            continue;
+        }
+        std::string key = l.substr(0, eq_pos);
+        std::string value = l.substr(eq_pos + 1);
+        configs[key] = value;
+    }
+    free_file_reader(reader);
+    fileop::fclose(f);
+    return true;
+}
diff --git a/config.hpp b/config.hpp
new file mode 100644
index 0000000..1cb4681
--- /dev/null
+++ b/config.hpp
@@ -0,0 +1,11 @@
+#include <unordered_map>
+#include <string>
+
+class Config {
+    public:
+        std::unordered_map<std::string, std::string> configs;
+        Config() {
+            configs["defaultFont"] = "微软雅黑";
+        }
+        bool Load(std::string path);
+};
diff --git a/dllmain.cpp b/dllmain.cpp
index 19c40f5..b4d71b9 100644
--- a/dllmain.cpp
+++ b/dllmain.cpp
@@ -1,10 +1,13 @@
 #include <Windows.h>
+#include "config.hpp"
 #include "detours.h"
 #include <stdio.h>
 #include "wchar_util.h"
 
 static HFONT(WINAPI *TrueCreateFontW)(int nHeight, int nWidth, int nEscapement, int nOrientation, int fnWeight, DWORD dwItalic, DWORD dwUnderline, DWORD dwStrikeOut, DWORD dwCharSet, DWORD dwOutPrecision, DWORD dwClipPrecision, DWORD dwQuality, DWORD dwPitchAndFamily, LPCWSTR lpFaceName) = CreateFontW;
 static HFONT(WINAPI *TrueCreateFontA)(int nHeight, int nWidth, int nEscapement, int nOrientation, int fnWeight, DWORD dwItalic, DWORD dwUnderline, DWORD dwStrikeOut, DWORD dwCharSet, DWORD dwOutPrecision, DWORD dwClipPrecision, DWORD dwQuality, DWORD dwPitchAndFamily, LPCSTR lpFaceName) = CreateFontA;
+static Config config;
+static std::wstring defaultFont;
 
 char* to_utf8(char* target, const char* source, UINT cp) {
     int count = MultiByteToWideChar(cp, MB_ERR_INVALID_CHARS, source, -1, NULL, 0);
@@ -42,7 +45,7 @@ static PVOID h = nullptr;
 HFONT WINAPI HookedCreateFontW(int nHeight, int nWidth, int nEscapement, int nOrientation, int fnWeight, DWORD dwItalic, DWORD dwUnderline, DWORD dwStrikeOut, DWORD dwCharSet, DWORD dwOutPrecision, DWORD dwClipPrecision, DWORD dwQuality, DWORD dwPitchAndFamily, LPCWSTR lpFaceName) {
     std::wstring name(lpFaceName);
     if (name == L"Meiryo") {
-        lpFaceName = L"微软雅黑";
+        lpFaceName = defaultFont.c_str();
     }
     return TrueCreateFontW(nHeight, nWidth, nEscapement, nOrientation, fnWeight, dwItalic, dwUnderline, dwStrikeOut, dwCharSet, dwOutPrecision, dwClipPrecision, dwQuality, dwPitchAndFamily, lpFaceName);
 }
@@ -53,7 +56,7 @@ HFONT WINAPI HookedCreateFontA(int nHeight, int nWidth, int nEscapement, int nOr
     for (int i = 0; i < 4; i++) {
         if (wchar_util::str_to_wstr(font, lpFaceName, cp[i])) {
             if (font == L"Meiryo") {
-                font = L"微软雅黑";
+                font = defaultFont;
             }
             return TrueCreateFontW(nHeight, nWidth, nEscapement, nOrientation, fnWeight, dwItalic, dwUnderline, dwStrikeOut, dwCharSet, dwOutPrecision, dwClipPrecision, dwQuality, dwPitchAndFamily, font.c_str());
         }
@@ -65,6 +68,10 @@ HFONT WINAPI HookedCreateFontA(int nHeight, int nWidth, int nEscapement, int nOr
 }
 
 extern "C" __declspec(dllexport) void Attach() {
+    config.Load("config.txt");
+    if (!wchar_util::str_to_wstr(defaultFont, config.configs["defaultFont"], CP_UTF8)) {
+        defaultFont = L"微软雅黑";
+    }
     DetourTransactionBegin();
     DetourUpdateThread(GetCurrentThread());
     h = GetHandle();