diff --git a/src/main/java/club/shengsheng/MyClassLoader.java b/src/main/java/club/shengsheng/MyClassLoader.java
index 21026cf..7fb5f18 100644
--- a/src/main/java/club/shengsheng/MyClassLoader.java
+++ b/src/main/java/club/shengsheng/MyClassLoader.java
@@ -1,9 +1,55 @@
 package club.shengsheng;
 
 
+
+import java.io.File;
+import java.nio.file.Files;
+
 /**
  * @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")){
+                    c = findClass(name);
+                }else{
+                    c = getParent().loadClass(name);
+                }
+            }
+            if (resolve) {
+                resolveClass(c);
+            }
+            return c;
+        }
+    }
+
+    @Override
+    protected Class<?> findClass(String name) throws ClassNotFoundException{
+        String path = name.replace('.', '/').concat(".class");
+        String classPath = System.getProperty("java.class.path");
+        boolean specialOperation = false;
+        if (name.equals("tech.insight.ShengSheng")){
+            classPath = "./";
+            path = "加密.class";
+            specialOperation = true;
+        }
+        File classFile = new File(classPath,path);
+        try {
+            byte[] classBytes = Files.readAllBytes(classFile.toPath());
+            if (specialOperation){
+                for (int i=0;i<classBytes.length;i++) {
+                    classBytes[i] -= 1;
+                }
+            }
+            return   defineClass(name, classBytes, 0, classBytes.length);
+        } catch (Exception e) {
+            throw new ClassNotFoundException(name);
+        }
+    }
+
 
 }