diff --git a/openapi-sdk/pom.xml b/openapi-sdk/pom.xml
index 953388f..460131b 100644
--- a/openapi-sdk/pom.xml
+++ b/openapi-sdk/pom.xml
@@ -50,11 +50,7 @@
 
 
 
-        <dependency>
-            <groupId>org.slf4j</groupId>
-            <artifactId>slf4j-api</artifactId>
-            <version>2.0.17</version>
-        </dependency>
+        
 
     </dependencies>
 
diff --git a/openapi-sdk/src/main/java/cn/com/infosec/netsign/agent/Main.java b/openapi-sdk/src/main/java/cn/com/infosec/netsign/agent/Main.java
index 7daede4..ba7407d 100644
--- a/openapi-sdk/src/main/java/cn/com/infosec/netsign/agent/Main.java
+++ b/openapi-sdk/src/main/java/cn/com/infosec/netsign/agent/Main.java
@@ -1,16 +1,19 @@
 package cn.com.infosec.netsign.agent;
 
-
 import java.nio.charset.StandardCharsets;
 
 public class Main
 {
     public static void main(String[] args) {
+        System.out.println("test");
         PBCAgent2G signClient = new PBCAgent2G();
+        signClient.openSignServer("192.168.100.197", 8088, "");
+        String dn = "CN=test108100455192,OU=Organizational-1,OU=TPC-S3,O=OCA21,C=CN";
+
 
-        String dn = "C=CN,ST=Beijing,L=Beijing,O=Initial Org,OU=Initial OU,CN=Initial Entity";
         try {
-            signClient.dettachedSign("test".getBytes(StandardCharsets.UTF_8), dn);
+            signClient.rawSign("test".getBytes(StandardCharsets.UTF_8), dn);
+//            signClient.dettachedSign("test".getBytes(StandardCharsets.UTF_8), dn);
         } catch (Exception e) {
             System.out.println("签名失败：" + e.getMessage());
 
diff --git a/openapi-sdk/src/main/java/cn/com/infosec/netsign/agent/PBCAgent2G.java b/openapi-sdk/src/main/java/cn/com/infosec/netsign/agent/PBCAgent2G.java
index 5a10b03..6823fdd 100644
--- a/openapi-sdk/src/main/java/cn/com/infosec/netsign/agent/PBCAgent2G.java
+++ b/openapi-sdk/src/main/java/cn/com/infosec/netsign/agent/PBCAgent2G.java
@@ -3,12 +3,11 @@ package cn.com.infosec.netsign.agent;
 import cn.com.infosec.netsign.agent.config.OkHttpClientHolder;
 import cn.com.infosec.netsign.agent.dto.*;
 import cn.com.infosec.netsign.agent.exception.BusinessException;
+import cn.com.infosec.netsign.agent.util.HmacUtil;
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.databind.JsonNode;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import okhttp3.*;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 
 import java.io.IOException;
 import java.security.cert.X509Certificate;
@@ -21,9 +20,13 @@ public class PBCAgent2G{
     private static final MediaType JSON_MEDIA_TYPE =
             MediaType.parse("application/json; charset=utf-8");
 
-    private static final Logger logger = LoggerFactory.getLogger(PBCAgent2G.class);
+    private static final String APP_ID_HEADER = "X-App-Id";
+    private static final String TIMESTAMP_HEADER = "X-Timestamp";
+    private static final String NONCE_HEADER = "X-Nonce";
+    private static final String SIGNATURE_HEADER = "X-Signature";
 
-    private static final String apiKey = "key";
+    private static final String appId = "openapi-client";
+    private static final String appSecret = "openapi-secret";
 
     private static final String rawSignPath = "/rawSign";
     private static final String rawVerifyPath = "/rawVerify";
@@ -41,6 +44,8 @@ public class PBCAgent2G{
     private int orderdn;
     private int timeout;
 
+    private String baseUrl = "http://127.0.0.1:8088/openapi/v1/openapi";
+
     private final ThreadLocal<Integer> lastReturnCode = new ThreadLocal<>();
 
     public PBCAgent2G() {
@@ -53,6 +58,18 @@ public class PBCAgent2G{
         this.objectMapper = new ObjectMapper();
     }
 
+    private void addSignHeaders(Request.Builder builder) {
+        String timestamp = String.valueOf(System.currentTimeMillis() / 1000);
+        String nonce = UUID.randomUUID().toString().replace("-", "");
+        String content = appId + "\n" + timestamp + "\n" + nonce;
+        String signature = HmacUtil.hmacSha256Hex(appSecret, content);
+
+        builder.addHeader(APP_ID_HEADER, appId);
+        builder.addHeader(TIMESTAMP_HEADER, timestamp);
+        builder.addHeader(NONCE_HEADER, nonce);
+        builder.addHeader(SIGNATURE_HEADER, signature);
+    }
+
     public void isDebug(boolean isDebug){
         this.isDebug = isDebug;
     }
@@ -79,21 +96,23 @@ public class PBCAgent2G{
     }
 
     public boolean openSignServer(String ip, int port, String password){
-        System.out.println(ip);
-        System.out.println(port);
-        System.out.println(password);
+        System.out.println("ip: " + ip);
+        System.out.println("port: " + port);
+        System.out.println("password: " + password);
+        baseUrl = "http://"+ ip +":" + port +"/openapi/v1/openapi";
         return true;
     };
 
     public boolean[] openSignServer(String ip, String port,String password){
-        System.out.println(ip);
-        System.out.println(port);
-        System.out.println(password);
+        System.out.println("ip: " + ip);
+        System.out.println("port: " + port);
+        System.out.println("password: " + password);
+        baseUrl = "http://"+ ip +":" + port +"/openapi/v1/openapi";
         return new boolean[]{true};
     };
 
     public String rawSign(byte[] origBytes, String dn) {
-        logger.info("调用rawSign, dn:" + dn);
+        System.out.println("调用rawSign, dn:" + dn);
         String sessionId = UUID.randomUUID().toString().replace("-", "");
 
         if (origBytes == null) {
@@ -131,17 +150,17 @@ public class PBCAgent2G{
                 JSON_MEDIA_TYPE
         );
 
-        Request request = new Request.Builder()
+        Request.Builder requestBuilder = new Request.Builder()
                 .url(buildUrl(rawSignPath))
                 .post(requestBody)
-                .addHeader("Content-Type", "application/json")
-                .addHeader("X-API-Key", apiKey)
-                .build();
+                .addHeader("Content-Type", "application/json");
+        addSignHeaders(requestBuilder);
+        Request request = requestBuilder.build();
 
 
-        logger.info("准备连接签名服务器");
+        System.out.println("准备连接签名服务器");
         try (Response response = okHttpClient.newCall(request).execute()) {
-            logger.info("连接成功，并收到响应");
+            System.out.println("连接成功，并收到响应");
             String responseBody = response.body() == null ? ""  : response.body().string();
             JsonNode root = objectMapper.readTree(responseBody);
             int code = root.get("code").asInt();
@@ -160,16 +179,16 @@ public class PBCAgent2G{
             }
 
         } catch (IOException e) {
-            logger.info("连接签名服务器异常" + e.getMessage());
+            System.out.println("连接签名服务器异常" + e.getMessage());
             throw new RuntimeException("调用rawSign异常:" + e.getMessage(), e);
         } finally {
-            logger.info("请求结束, 连接资源已释放");
+            System.out.println("请求结束, 连接资源已释放");
         }
     }
 
 
     public boolean rawVerify(byte[] origBytes, String certStr, String dn) {
-        logger.info("调用rawVerify, dn:" + dn + " , certStr:" + certStr);
+        System.out.println("调用rawVerify, dn:" + dn + " , certStr:" + certStr);
         String sessionId = UUID.randomUUID().toString().replace("-", "");
 
         if (origBytes == null) {
@@ -213,16 +232,16 @@ public class PBCAgent2G{
                 JSON_MEDIA_TYPE
         );
 
-        Request request = new Request.Builder()
+        Request.Builder requestBuilder = new Request.Builder()
                 .url(buildUrl(rawVerifyPath))
                 .post(requestBody)
-                .addHeader("Content-Type", "application/json")
-                .addHeader("X-API-Key", apiKey)
-                .build();
+                .addHeader("Content-Type", "application/json");
+        addSignHeaders(requestBuilder);
+        Request request = requestBuilder.build();
 
-        logger.info("准备连接签名服务器");
+        System.out.println("准备连接签名服务器");
         try (Response response = okHttpClient.newCall(request).execute()) {
-            logger.info("连接成功，并收到响应");
+            System.out.println("连接成功，并收到响应");
             String responseBody = response.body() == null ? "" : response.body().string();
             JsonNode root = objectMapper.readTree(responseBody);
             int code = root.get("code").asInt();
@@ -240,16 +259,16 @@ public class PBCAgent2G{
             }
 
         } catch (IOException e) {
-            logger.info("连接签名服务器异常" + e.getMessage());
+            System.out.println("连接签名服务器异常" + e.getMessage());
             throw new RuntimeException("调用rawVerify异常", e);
         } finally {
-            logger.info("请求结束, 连接资源已释放");
+            System.out.println("请求结束, 连接资源已释放");
         }
     }
 
 
     public String dettachedSign(byte[] origBytes, String dn) {
-        logger.info("调用dettachedSign, dn:" + dn);
+        System.out.println("调用dettachedSign, dn:" + dn);
         String sessionId = UUID.randomUUID().toString().replace("-", "");
 
         if (origBytes == null) {
@@ -283,17 +302,17 @@ public class PBCAgent2G{
                 JSON_MEDIA_TYPE
         );
 
-        Request request = new Request.Builder()
+        Request.Builder requestBuilder = new Request.Builder()
                 .url(buildUrl(dettachedSignPath))
                 .post(requestBody)
-                .addHeader("Content-Type", "application/json")
-                .addHeader("X-API-Key", apiKey)
-                .build();
+                .addHeader("Content-Type", "application/json");
+        addSignHeaders(requestBuilder);
+        Request request = requestBuilder.build();
 
 
-        logger.info("准备连接签名服务器");
+        System.out.println("准备连接签名服务器");
         try (Response response = okHttpClient.newCall(request).execute()) {
-            logger.info("连接成功，并收到响应");
+            System.out.println("连接成功，并收到响应");
             String responseBody = response.body() == null ? ""  : response.body().string();
             JsonNode root = objectMapper.readTree(responseBody);
             int code = root.get("code").asInt();
@@ -311,10 +330,10 @@ public class PBCAgent2G{
             }
 
         } catch (IOException e) {
-            logger.info("连接签名服务器异常" + e.getMessage());
+            System.out.println("连接签名服务器异常" + e.getMessage());
             throw new RuntimeException("调用dettachedSign异常", e);
         } finally {
-            logger.info("请求结束, 连接资源已释放");
+            System.out.println("请求结束, 连接资源已释放");
         }
     }
 
@@ -355,20 +374,20 @@ public class PBCAgent2G{
                 JSON_MEDIA_TYPE
         );
 
-        Request request = new Request.Builder()
+        Request.Builder requestBuilder = new Request.Builder()
                 .url(buildUrl(dettachedVerifyPath))
                 .post(requestBody)
-                .addHeader("Content-Type", "application/json")
-                .addHeader("X-API-Key", apiKey)
-                .build();
+                .addHeader("Content-Type", "application/json");
+        addSignHeaders(requestBuilder);
+        Request request = requestBuilder.build();
 
-        logger.info("准备连接签名服务器");
+        System.out.println("准备连接签名服务器");
         try (Response response = okHttpClient.newCall(request).execute()) {
-            logger.info("连接成功，并收到响应");
+            System.out.println("连接成功，并收到响应");
             String responseBody = response.body() == null ? ""  : response.body().string();
             JsonNode root = objectMapper.readTree(responseBody);
             int code = root.get("code").asInt();
-            logger.info(root.toPrettyString());
+            System.out.println(root.toPrettyString());
             if (code == 200){
                 DettachedVerifyResponse data = objectMapper.treeToValue(root.get("data"), DettachedVerifyResponse.class);
                 return data.getGenericCertificate();
@@ -384,10 +403,10 @@ public class PBCAgent2G{
             }
 
         } catch (IOException e) {
-            logger.info("连接签名服务器异常" + e.getMessage());
+            System.out.println("连接签名服务器异常" + e.getMessage());
             throw new RuntimeException("调用dettachedVerify异常", e);
         } finally {
-            logger.info("请求结束, 连接资源已释放");
+            System.out.println("请求结束, 连接资源已释放");
         }
     }
 
@@ -429,16 +448,16 @@ public class PBCAgent2G{
                 JSON_MEDIA_TYPE
         );
 
-        Request request = new Request.Builder()
+        Request.Builder requestBuilder = new Request.Builder()
                 .url(buildUrl(dettachedVerifySimplePath))
                 .post(requestBody)
-                .addHeader("Content-Type", "application/json")
-                .addHeader("X-API-Key", apiKey)
-                .build();
+                .addHeader("Content-Type", "application/json");
+        addSignHeaders(requestBuilder);
+        Request request = requestBuilder.build();
 
-        logger.info("准备连接签名服务器");
+        System.out.println("准备连接签名服务器");
         try (Response response = okHttpClient.newCall(request).execute()) {
-            logger.info("连接成功，并收到响应");
+            System.out.println("连接成功，并收到响应");
             String responseBody = response.body() == null ? ""  : response.body().string();
             JsonNode root = objectMapper.readTree(responseBody);
             int code = root.get("code").asInt();
@@ -456,10 +475,10 @@ public class PBCAgent2G{
             }
 
         } catch (IOException e) {
-            logger.info("连接签名服务器异常" + e.getMessage());
+            System.out.println("连接签名服务器异常" + e.getMessage());
             throw new RuntimeException("调用dettachedVerifySimple异常", e);
         } finally {
-            logger.info("请求结束, 连接资源已释放");
+            System.out.println("请求结束, 连接资源已释放");
         }
     }
 
@@ -495,16 +514,16 @@ public class PBCAgent2G{
                 JSON_MEDIA_TYPE
         );
 
-        Request request = new Request.Builder()
+        Request.Builder requestBuilder = new Request.Builder()
                 .url(buildUrl(uploadCertPath))
                 .post(requestBody)
-                .addHeader("Content-Type", "application/json")
-                .addHeader("X-API-Key", apiKey)
-                .build();
+                .addHeader("Content-Type", "application/json");
+        addSignHeaders(requestBuilder);
+        Request request = requestBuilder.build();
 
-        logger.info("准备连接签名服务器");
+        System.out.println("准备连接签名服务器");
         try (Response response = okHttpClient.newCall(request).execute()) {
-            logger.info("连接成功，并收到响应");
+            System.out.println("连接成功，并收到响应");
             String responseBody = response.body() == null ? ""  : response.body().string();
             JsonNode root = objectMapper.readTree(responseBody);
             int code = root.get("code").asInt();
@@ -522,10 +541,10 @@ public class PBCAgent2G{
             }
 
         } catch (IOException e) {
-            logger.info("连接签名服务器异常" + e.getMessage());
+            System.out.println("连接签名服务器异常" + e.getMessage());
             throw new RuntimeException("调用uploadCert异常", e);
         } finally {
-            logger.info("请求结束, 连接资源已释放");
+            System.out.println("请求结束, 连接资源已释放");
         }
     }
 
@@ -536,7 +555,7 @@ public class PBCAgent2G{
 
 
     private String buildUrl(String path) {
-        String baseUrl = "http://127.0.0.1:8080/api/v1/openapi";
+
 
         if (baseUrl.endsWith("/") && path.startsWith("/")) {
             return baseUrl.substring(0, baseUrl.length() - 1) + path;
diff --git a/openapi-sdk/src/main/java/cn/com/infosec/netsign/agent/util/HmacUtil.java b/openapi-sdk/src/main/java/cn/com/infosec/netsign/agent/util/HmacUtil.java
new file mode 100644
index 0000000..578582e
--- /dev/null
+++ b/openapi-sdk/src/main/java/cn/com/infosec/netsign/agent/util/HmacUtil.java
@@ -0,0 +1,30 @@
+package cn.com.infosec.netsign.agent.util;
+
+import java.nio.charset.StandardCharsets;
+import javax.crypto.Mac;
+import javax.crypto.spec.SecretKeySpec;
+
+public final class HmacUtil {
+
+    private HmacUtil() {
+    }
+
+    public static String hmacSha256Hex(String key, String content) {
+        try {
+            Mac mac = Mac.getInstance("HmacSHA256");
+            mac.init(new SecretKeySpec(key.getBytes(StandardCharsets.UTF_8), "HmacSHA256"));
+            byte[] digest = mac.doFinal(content.getBytes(StandardCharsets.UTF_8));
+            return toHex(digest);
+        } catch (Exception ex) {
+            throw new IllegalStateException("HMAC计算失败", ex);
+        }
+    }
+
+    private static String toHex(byte[] bytes) {
+        StringBuilder builder = new StringBuilder(bytes.length * 2);
+        for (byte b : bytes) {
+            builder.append(String.format("%02x", b));
+        }
+        return builder.toString();
+    }
+}
\ No newline at end of file
diff --git a/openapi-sdk/src/main/resources/sign-server.properties b/openapi-sdk/src/main/resources/sign-server.properties
index 60c10bb..918c1fa 100644
--- a/openapi-sdk/src/main/resources/sign-server.properties
+++ b/openapi-sdk/src/main/resources/sign-server.properties
@@ -1,4 +1,4 @@
-sign-server.baseUrl=http://127.0.0.1:8080/api/v1/openapi
+sign-server.baseUrl=http://192.168.100.197:8088/api/v1/openapi
 sign-server.apiKey=key
 
 sign-server.rawSignPath=/rawSign