diff --git a/src/main/java/club/shengsheng/MyClassLoader.java b/src/main/java/club/shengsheng/MyClassLoader.java
index 21026cf..8a72951 100644
--- a/src/main/java/club/shengsheng/MyClassLoader.java
+++ b/src/main/java/club/shengsheng/MyClassLoader.java
@@ -1,9 +1,34 @@
 package club.shengsheng;
 
 
+import java.io.*;
+
 /**
  * @author gongxuanzhangmelt@gmail.com
  **/
 public class MyClassLoader extends ClassLoader {
 
+    @Override
+    public Class<?> loadClass(String name) throws ClassNotFoundException {
+        if (name.contains("tech.insight.ShengSheng")) {
+            this.findClass(name);
+        }
+        return super.loadClass(name);
+    }
+
+    @Override
+    protected Class<?> findClass(String name) throws ClassNotFoundException {
+        File file = new File("加密.class");
+        try (InputStream inputStream = new BufferedInputStream(new FileInputStream(file))){
+            ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
+            int classByte;
+            while ((classByte = inputStream.read()) != -1) {
+                byteArrayOutputStream.write((classByte-1));
+            }
+            return defineClass(name, byteArrayOutputStream.toByteArray(), 0, byteArrayOutputStream.size());
+
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+    }
 }