diff --git a/src/main/java/org/tron/common/overlay/message/HelloMessage.java b/src/main/java/org/tron/common/overlay/message/HelloMessage.java
index d1587ed071d..cd6038e7506 100644
--- a/src/main/java/org/tron/common/overlay/message/HelloMessage.java
+++ b/src/main/java/org/tron/common/overlay/message/HelloMessage.java
@@ -68,7 +68,7 @@ public byte[] getData() {
    * Get the version of p2p protocol.
    */
   public int getVersion() {
-    return (byte) this.helloMessage.getVersion();
+    return this.helloMessage.getVersion();
   }
 
   /**