修改

src/main/java/com/llisoft/pay/service/AliPayService.java

@@ -215,7 +215,7 @@ public class AliPayService {
 	private boolean checkSign(Map<String, String> map) {
 		boolean result = false;
 		try {
-			result = AlipaySignature.rsaCheckV1(map, publicKey, charset, signType);
+			result = AlipaySignature.rsaCheckV2(map, publicKey, charset, signType);
 		} catch (AlipayApiException e) {
 			logger.error("支付宝异步通知: 签名验证异常: {}", e);
 		}