[微信支付签名更改签名算法][升级]

mallinkService/src/main/java/com/simple/pay/WxPayment.java

@@ -399,7 +399,7 @@ public class WxPayment {
 		String stringA = packageSign(params, false);
 		String stringSignTemp = stringA + "&key=" + partnerKey;
 		//return HashUtil.md5(stringSignTemp).toUpperCase();
-		return HMACSHA256.sha256_HMAC(stringSignTemp, partnerKey);
+		return HMACSHA256.sha256_HMAC(stringSignTemp, partnerKey).toUpperCase();
 	}
 
 	/**