diff --git a/src/main/java/club/shengsheng/MyClassLoader.java b/src/main/java/club/shengsheng/MyClassLoader.java
index 21026cf..da9961a 100644
--- a/src/main/java/club/shengsheng/MyClassLoader.java
+++ b/src/main/java/club/shengsheng/MyClassLoader.java
@@ -1,9 +1,52 @@
 package club.shengsheng;
 
 
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
 /**
  * @author gongxuanzhangmelt@gmail.com
  **/
 public class MyClassLoader extends ClassLoader {
 
+
+    @Override
+    protected Class<?> loadClass(String name, boolean resolve) throws ClassNotFoundException {
+        synchronized (getClassLoadingLock(name)) {
+            Class<?> c = findLoadedClass(name);
+            if (c == null) {
+                if (name.startsWith("tech.insight.ShengSheng")){
+                    c = this.findClass(name);
+                }
+                else {
+                    c = getParent().loadClass(name);
+                }
+            }
+            return c;
+        }
+    }
+
+    @Override
+    protected Class<?> findClass(String name) throws ClassNotFoundException {
+
+
+        File classFile = new File("./加密.class");
+
+        try {
+            byte[] bytes = Files.readAllBytes(classFile.toPath());
+            byte[] newBytes = new byte[bytes.length];
+            for (int i = 0; i < bytes.length; i++) {
+                byte aByte = bytes[i];
+                aByte = (byte) (aByte - 1);
+                newBytes[i] = aByte;
+            }
+            return defineClass(name, newBytes, 0, bytes.length);
+        }catch (Exception e) {
+            throw new ClassNotFoundException(name);
+        }
+    }
 }