diff --git a/src/main/java/xyz/zhouxy/plusone/commons/exception/NoAvailableMacFoundException.java b/src/main/java/xyz/zhouxy/plusone/commons/exception/NoAvailableMacFoundException.java
index 6282c5f..87a8ddd 100644
--- a/src/main/java/xyz/zhouxy/plusone/commons/exception/NoAvailableMacFoundException.java
+++ b/src/main/java/xyz/zhouxy/plusone/commons/exception/NoAvailableMacFoundException.java
@@ -1,6 +1,8 @@
 package xyz.zhouxy.plusone.commons.exception;
 
 public class NoAvailableMacFoundException extends Exception {
+    private static final long serialVersionUID = 152827098461071551L;
+
     public NoAvailableMacFoundException() {
         super();
     }