diff --git a/src/test/java/org/bdware/server/ByteTest.java b/src/test/java/org/bdware/server/ByteTest.java
new file mode 100644
index 0000000..e516a3d
--- /dev/null
+++ b/src/test/java/org/bdware/server/ByteTest.java
@@ -0,0 +1,17 @@
+package org.bdware.server;
+
+import org.bdware.sc.conn.ByteUtil;
+import org.bouncycastle.pqc.math.linearalgebra.ByteUtils;
+import org.junit.Test;
+
+import java.net.URLEncoder;
+
+public class ByteTest {
+    @Test
+    public void run() {
+        String hexStr = "af28b0815f865cc04cd9828a9eff0d394da08fed";
+       hexStr = "badf98195fb23838651ad581885489c3d750db6c";
+        String b64 = ByteUtil.encodeBASE64(ByteUtils.fromHexString(hexStr));
+        System.out.println(URLEncoder.encode(b64));
+    }
+}