diff --git a/weixin4j-wxa/pom.xml b/weixin4j-wxa/pom.xml
index 1a552d0d..cec79627 100644
--- a/weixin4j-wxa/pom.xml
+++ b/weixin4j-wxa/pom.xml
@@ -46,4 +46,4 @@
 			<scope>test</scope>
 		</dependency>
 	</dependencies>
-</project>
\ No newline at end of file
+</project>
diff --git a/weixin4j-wxa/src/main/java/com/foxinmy/weixin4j/wxa/WXBizDataCrypt.java b/weixin4j-wxa/src/main/java/com/foxinmy/weixin4j/wxa/WXBizDataCrypt.java
index d65e4329..97e3b0b9 100644
--- a/weixin4j-wxa/src/main/java/com/foxinmy/weixin4j/wxa/WXBizDataCrypt.java
+++ b/weixin4j-wxa/src/main/java/com/foxinmy/weixin4j/wxa/WXBizDataCrypt.java
@@ -27,14 +27,14 @@ public class WXBizDataCrypt {
 		final byte[] aesCipher = Base64.decodeBase64(encryptedData);
 		final byte[] aesIV = Base64.decodeBase64(iv);
 
-		final byte[] resultByte;
+		final byte[] decryptedBytes;
 		try {
-			resultByte = AESUtils.decrypt(aesCipher, aesKey, aesIV);
+			decryptedBytes = AESUtils.decrypt(aesCipher, aesKey, aesIV);
 		} catch (InvalidAlgorithmParameterException e) {
 			throw new RuntimeException(e);
 		}
 
-		final String decryptedText = new String(resultByte, Charset.forName("UTF-8"));
+		final String decryptedText = new String(decryptedBytes, Charset.forName("UTF-8"));
 		final JSONObject decrypted = JSON.parseObject(decryptedText);
 
 		final String appId = decrypted.getJSONObject("watermark").getString("appid");