diff --git a/src/main/java/org/redkale/net/http/WebSocketNode.java b/src/main/java/org/redkale/net/http/WebSocketNode.java
index 4555eb01c..fe83f8bab 100644
--- a/src/main/java/org/redkale/net/http/WebSocketNode.java
+++ b/src/main/java/org/redkale/net/http/WebSocketNode.java
@@ -393,7 +393,7 @@ public abstract class WebSocketNode implements Service {
             }
             return future == null ? CompletableFuture.completedFuture(false) : future;
         });
-        return localFuture == null ? remoteFuture : localFuture.thenCombine(remoteFuture, (a, b) -> a | b);
+        return localFuture == null ? remoteFuture : localFuture.thenCombine(remoteFuture, (a, b) -> a || b);
     }
 
     /**
diff --git a/src/main/java/org/redkale/source/Flipper.java b/src/main/java/org/redkale/source/Flipper.java
index e4f97db4c..276894f52 100644
--- a/src/main/java/org/redkale/source/Flipper.java
+++ b/src/main/java/org/redkale/source/Flipper.java
@@ -105,12 +105,6 @@ public final class Flipper extends RowBound {
         return this;
     }
 
-    @Override
-    @SuppressWarnings("CloneDoesntCallSuperClone")
-    public Flipper clone() {
-        return this.copyTo(new Flipper());
-    }
-
     @Override
     public String toString() {
         return "{\"limit\":" + this.limit + ",\"offset\":" + this.offset
diff --git a/src/main/java/org/redkale/source/RowBound.java b/src/main/java/org/redkale/source/RowBound.java
index 466100a5e..fd1929613 100644
--- a/src/main/java/org/redkale/source/RowBound.java
+++ b/src/main/java/org/redkale/source/RowBound.java
@@ -19,7 +19,7 @@ import org.redkale.convert.ConvertColumn;
  * @author zhangjx
  * @since 2.8.0
  */
-public class RowBound implements Serializable, Cloneable {
+public class RowBound implements Serializable {
 
     private static int DEFAULT_LIMIT = 20;
 
@@ -81,12 +81,6 @@ public class RowBound implements Serializable, Cloneable {
         return this;
     }
 
-    @Override
-    @SuppressWarnings("CloneDoesntCallSuperClone")
-    public RowBound clone() {
-        return this.copyTo(new RowBound());
-    }
-
     @Override
     public String toString() {
         return "{\"limit\":" + this.limit + ",\"offset\":" + this.offset + "}";