diff --git a/agent/agent.js b/agent/agent.js
index 4f794f0..3c78333 100644
--- a/agent/agent.js
+++ b/agent/agent.js
@@ -66,9 +66,8 @@ function realityKey(keyId) {
   const priv = kp.privateKey.export({ format: 'jwk' });
   const pub = kp.publicKey.export({ format: 'jwk' });
   if (!priv.d || !pub.x) throw new Error('X25519 密钥生成失败');
-  // JWK 用 base64url，sing-box 要标准 base64，用 Buffer 转
-  const b64urlToB64 = (s) => Buffer.from(s, 'base64url').toString('base64');
-  keys[keyId] = { privateKey: b64urlToB64(priv.d), publicKey: b64urlToB64(pub.x), createdAt: new Date().toISOString() };
+  // JWK 的 base64url 无填充格式与 sing-box 的 reality-keypair 输出一致，直接用
+  keys[keyId] = { privateKey: priv.d, publicKey: pub.x, createdAt: new Date().toISOString() };
   saveKeys(keys);
   return keys[keyId];
 }