diff --git a/README.md b/README.md
index 334a576..8ee43ed 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,55 @@
 # NTV01_BlueScreen
-NTAPI制造蓝屏视频源代码
+NTAPI制造蓝屏视频源代码，用于演示未公开的NtAPI - NtRaiseHardError
+
+## 关于NtRaiseHardError
+
+### 函数原型
+ - UINT NtRaiseHardError(NTSTATUS ErrorStatus, ULONG NumberOfParameters, PUNICODE_STRING UnicodeStringParameterMask OPTIONAL, PVOID Parameters, HARDERROR_RESPONSE_OPTION ResponseOption, PHARDERROR_RESPONSE Response);
+
+### 未导出类型
+ - PHARDERROR_RESPONSE_OPTION
+```c++
+typedef enum _HARDERROR_RESPONSE_OPTION
+{
+	OptionAbortRetryIgnore,
+	OptionOk,
+	OptionOkCancel,
+	OptionRetryCancel,
+	OptionYesNo,
+	OptionYesNoCancel,
+	OptionShutdownSystem
+} HARDERROR_RESPONSE_OPTION, *PHARDERROR_RESPONSE_OPTION;
+```
+
+ - PHARDERROR_RESPONSE
+```c++
+typedef enum _HARDERROR_RESPONSE 
+{
+	ResponseReturnToCaller,
+	ResponseNotHandled,
+	ResponseAbort,
+	ResponseCancel,
+	ResponseIgnore,
+	ResponseNo,
+	ResponseOk,
+	ResponseRetry,
+	ResponseYes
+} HARDERROR_RESPONSE, *PHARDERROR_RESPONSE;
+```
+
+ - PUNICODE_STRING
+```c++
+#include <SubAuth.h>
+```
+OR
+```c++
+typedef struct _UNICODE_STRING
+{
+	USHORT Length;
+	USHORT MaximumLength;
+	PWSTR Buffer;
+}UNICODE_STRING, *PUNICODE_STRING;
+```
+
+### 所在DLL
+ - ntdll.dll