diff --git a/SrcJyAliPublic.js b/SrcJyAliPublic.js
index 4c62e8f..8d090aa 100644
--- a/SrcJyAliPublic.js
+++ b/SrcJyAliPublic.js
@@ -444,12 +444,7 @@ function test_aliecc() {
     let nonce = 0;
 
     // 生成私钥和公钥
-    let private_key;
-    do {
-        private_key = new Uint8Array(32);
-        eval(getCryptoJS());
-        CryptoJS.getRandomValues(private_key);
-    } while (private_key[0] === 0);
+    let private_key = BigInt(Math.random() * 2 ** 32);
     let ecc_pri = new ECDSA.ECDSA(private_key, "secp256k1");
     let ecc_pub = ecc_pri.getVerifyingKey();
     let public_key = "04" + ecc_pub.toString();