diff --git a/WeChatFerry/spy/util.cpp b/WeChatFerry/spy/util.cpp
index 7b22be5..ff324ac 100644
--- a/WeChatFerry/spy/util.cpp
+++ b/WeChatFerry/spy/util.cpp
@@ -35,6 +35,21 @@ string Wstring2String(wstring ws)
     return s;
 }
 
+string GB2312ToUtf8(const char *gb2312)
+{
+    int size_needed = 0;
+
+    size_needed = MultiByteToWideChar(CP_ACP, 0, gb2312, -1, NULL, 0);
+    wstring ws(size_needed, 0);
+    MultiByteToWideChar(CP_ACP, 0, gb2312, -1, &ws[0], size_needed);
+
+    size_needed = WideCharToMultiByte(CP_UTF8, 0, &ws[0], -1, NULL, 0, NULL, NULL);
+    string s(size_needed, 0);
+    WideCharToMultiByte(CP_UTF8, 0, &ws[0], -1, &s[0], size_needed, NULL, NULL);
+
+    return s;
+}
+
 static int GetWeChatPath(wchar_t *path)
 {
     int ret   = -1;
diff --git a/WeChatFerry/spy/util.h b/WeChatFerry/spy/util.h
index 11f03cd..5d79b4a 100644
--- a/WeChatFerry/spy/util.h
+++ b/WeChatFerry/spy/util.h
@@ -28,6 +28,7 @@ DWORD GetMemoryIntByAddress(HANDLE hProcess, DWORD address);
 std::wstring GetUnicodeInfoByAddress(HANDLE hProcess, DWORD address);
 std::wstring String2Wstring(std::string s);
 std::string Wstring2String(std::wstring ws);
+std::string GB2312ToUtf8(const char *gb2312);
 std::string GetStringByAddress(DWORD address);
 std::string GetStringByStrAddr(DWORD addr);
 std::string GetStringByWstrAddr(DWORD addr);