diff --git a/SignSdk/src/main/java/com/onlychain/signsdk/bean/BaseActionBean.java b/SignSdk/src/main/java/com/onlychain/signsdk/bean/BaseActionBean.java
index 601cd53..1ec2995 100644
--- a/SignSdk/src/main/java/com/onlychain/signsdk/bean/BaseActionBean.java
+++ b/SignSdk/src/main/java/com/onlychain/signsdk/bean/BaseActionBean.java
@@ -33,12 +33,12 @@ public boolean checkSig(byte[] publicKeyBin){
      * @param sigStr
      * @return
      */
-    public boolean checkApiSign(byte[] publicKeyBin,String message,String sigStr){
+    /*public boolean checkApiSign(byte[] publicKeyBin,String message,String sigStr){
         if (Secp256k1.verify(PublicKey.parse(publicKeyBin), Hash.sha256(Hash.sha256(message.getBytes())), Signature.parse(OcMath.hexStringToByteArray(sigStr))))
             return true;
         else
             return false;
-    }
+    }*/
 
     public boolean checkSign(byte[] publicKeyBin,String message,String sigStr){
         if (Secp256k1.verify(PublicKey.parse(publicKeyBin), Hash.sha256(Hash.sha256(OcMath.hexStringToByteArray(message))), Signature.parse(OcMath.hexStringToByteArray(sigStr))))
@@ -55,7 +55,7 @@ public boolean checkSign(byte[] publicKeyBin,String message,String sigStr){
      * @return
      */
     public String makeSign(byte[] privateKeyBin,String message){
-        return OcMath.toHexStringNoPrefix(Secp256k1.sign(privateKeyBin,Hash.sha256(Hash.sha256((message).getBytes()))).serialize());
+        return OcMath.toHexStringNoPrefix(Secp256k1.sign(privateKeyBin,Hash.sha256(Hash.sha256(OcMath.hexStringToByteArray(message)))).serialize());
     }
 
     public String getCommitData() {
diff --git a/app/src/main/java/com/onlychain/ocsignsdk/ApiSignTools.java b/app/src/main/java/com/onlychain/ocsignsdk/ApiSignTools.java
index fdd4290..cdbd005 100644
--- a/app/src/main/java/com/onlychain/ocsignsdk/ApiSignTools.java
+++ b/app/src/main/java/com/onlychain/ocsignsdk/ApiSignTools.java
@@ -26,6 +26,6 @@ public static void main(String[] args) {
 
 
         //服务端:提取json中公钥、整json内容以及header中的sign对其验签
-        System.out.println(mBaseActionBean.checkApiSign(mAccountBean.getPublicKeyBin(),jsonMsg,"30450221008fe7f0f7bb55da842522ba91565065eae37c0bf3b06b402b129c34b288d8084402202247716b7cb03545eb455ef36c7c4070db905250615a9a4b975d49f5dadc2441"));
+//        System.out.println(mBaseActionBean.checkApiSign(mAccountBean.getPublicKeyBin(),jsonMsg,"30450221008fe7f0f7bb55da842522ba91565065eae37c0bf3b06b402b129c34b288d8084402202247716b7cb03545eb455ef36c7c4070db905250615a9a4b975d49f5dadc2441"));
     }
 }