diff --git a/README.md b/README.md
index a148794..a066c7e 100644
--- a/README.md
+++ b/README.md
@@ -4,3 +4,35 @@
 
 **更多免费MTP、HTTPS、Ikev2代理节点订阅频道不怕迷路**
 https://t.me/MTPdaili
+
+**有人私信要源码，以下是核心代码**
+
+```
+破解原理为生成随机MAC地址欺骗程序达到无限试用
+以下是核心代码部分(api hook)
+
+HOOKDEF(ULONG, WINAPI, GetAdaptersAddresses, 
+    __in ULONG Family,
+    __in ULONG Flags,
+    __reserved PVOID Reserved,
+    __out_bcount_opt(*SizePointer) PIP_ADAPTER_ADDRESSES AdapterAddresses, 
+    __inout PULONG SizePointer
+    )
+{
+    srand( (unsigned)time( NULL ) );
+ 
+    ULONG ret = Real_GetAdaptersAddresses(Family, Flags, Reserved, AdapterAddresses, SizePointer);
+    while(AdapterAddresses){
+        if (AdapterAddresses->PhysicalAddressLength >=5 ){
+            AdapterAddresses->PhysicalAddress[0] += rand();
+            AdapterAddresses->PhysicalAddress[1] += rand();
+            AdapterAddresses->PhysicalAddress[2] += rand();
+            AdapterAddresses->PhysicalAddress[3] += rand();
+            AdapterAddresses->PhysicalAddress[4] += rand();
+        }
+ 
+        AdapterAddresses = AdapterAddresses->Next;
+    }
+    return ret;
+}
+```