diff --git a/src/org/redkale/net/Cryptor.java b/src/org/redkale/net/Cryptor.java
index bdd64930e..4cf1e36a0 100644
--- a/src/org/redkale/net/Cryptor.java
+++ b/src/org/redkale/net/Cryptor.java
@@ -27,9 +27,7 @@ public interface Cryptor {
      *
      * @return 加密后数据
      */
-    default ByteBuffer[] encrypt(ByteBuffer[] buffers, final Supplier<ByteBuffer> supplier, final Consumer<ByteBuffer> consumer) {
-        return buffers;
-    }
+    public ByteBuffer[] encrypt(ByteBuffer[] buffers, final Supplier<ByteBuffer> supplier, final Consumer<ByteBuffer> consumer);
 
     /**
      * 解密
@@ -40,7 +38,5 @@ public interface Cryptor {
      *
      * @return 解密后数据
      */
-    default ByteBuffer[] decrypt(ByteBuffer[] buffers, final Supplier<ByteBuffer> supplier, final Consumer<ByteBuffer> consumer) {
-        return buffers;
-    }
+    public ByteBuffer[] decrypt(ByteBuffer[] buffers, final Supplier<ByteBuffer> supplier, final Consumer<ByteBuffer> consumer);
 }
diff --git a/src/org/redkale/net/http/Rest.java b/src/org/redkale/net/http/Rest.java
index 77f606ec7..59748ad03 100644
--- a/src/org/redkale/net/http/Rest.java
+++ b/src/org/redkale/net/http/Rest.java
@@ -645,7 +645,7 @@ public final class Rest {
             T servlet = (T) newClazz.getDeclaredConstructor().newInstance();
             if (rws.cryptor() != Cryptor.class) {
                 Cryptor cryptor = rws.cryptor().getDeclaredConstructor().newInstance();
-                Field cryptorField = newClazz.getDeclaredField("cryptor");
+                Field cryptorField = newClazz.getSuperclass().getDeclaredField("cryptor"); //WebSocketServlet
                 cryptorField.setAccessible(true);
                 cryptorField.set(servlet, cryptor);
             }