diff --git a/openapi-sdk/pom.xml b/openapi-sdk/pom.xml
index d6805c9..953388f 100644
--- a/openapi-sdk/pom.xml
+++ b/openapi-sdk/pom.xml
@@ -49,6 +49,13 @@
         </dependency>
 
 
+
+        <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 7aed8c6..7daede4 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
@@ -8,8 +8,9 @@ public class Main
     public static void main(String[] args) {
         PBCAgent2G signClient = new PBCAgent2G();
 
+        String dn = "C=CN,ST=Beijing,L=Beijing,O=Initial Org,OU=Initial OU,CN=Initial Entity";
         try {
-            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 77ce955..5a10b03 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
@@ -7,6 +7,8 @@ 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;
@@ -19,8 +21,8 @@ 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 baseUrl = "http://127.0.0.1:8080/api/v1/openapi";
     private static final String apiKey = "key";
 
     private static final String rawSignPath = "/rawSign";
@@ -91,8 +93,7 @@ public class PBCAgent2G{
     };
 
     public String rawSign(byte[] origBytes, String dn) {
-
-        System.out.println("调用rawSign, dn:" + dn);
+        logger.info("调用rawSign, dn:" + dn);
         String sessionId = UUID.randomUUID().toString().replace("-", "");
 
         if (origBytes == null) {
@@ -138,9 +139,9 @@ public class PBCAgent2G{
                 .build();
 
 
-        System.out.println("准备连接签名服务器");
+        logger.info("准备连接签名服务器");
         try (Response response = okHttpClient.newCall(request).execute()) {
-            System.out.println("连接成功，并收到响应");
+            logger.info("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();
@@ -159,16 +160,16 @@ public class PBCAgent2G{
             }
 
         } catch (IOException e) {
-            System.err.println("连接签名服务器异常" + e.getMessage());
+            logger.info("连接签名服务器异常" + e.getMessage());
             throw new RuntimeException("调用rawSign异常:" + e.getMessage(), e);
         } finally {
-            System.out.println("请求结束, 连接资源已释放");
+            logger.info("请求结束, 连接资源已释放");
         }
     }
 
 
     public boolean rawVerify(byte[] origBytes, String certStr, String dn) {
-        System.out.println("调用rawVerify, dn:" + dn);
+        logger.info("调用rawVerify, dn:" + dn + " , certStr:" + certStr);
         String sessionId = UUID.randomUUID().toString().replace("-", "");
 
         if (origBytes == null) {
@@ -219,9 +220,9 @@ public class PBCAgent2G{
                 .addHeader("X-API-Key", apiKey)
                 .build();
 
-        System.out.println("准备连接签名服务器");
+        logger.info("准备连接签名服务器");
         try (Response response = okHttpClient.newCall(request).execute()) {
-            System.out.println("连接成功，并收到响应");
+            logger.info("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();
@@ -239,16 +240,16 @@ public class PBCAgent2G{
             }
 
         } catch (IOException e) {
-            System.err.println("连接签名服务器异常" + e.getMessage());
+            logger.info("连接签名服务器异常" + e.getMessage());
             throw new RuntimeException("调用rawVerify异常", e);
         } finally {
-            System.out.println("请求结束, 连接资源已释放");
+            logger.info("请求结束, 连接资源已释放");
         }
     }
 
 
     public String dettachedSign(byte[] origBytes, String dn) {
-        System.out.println("调用dettachedSign, dn:" + dn);
+        logger.info("调用dettachedSign, dn:" + dn);
         String sessionId = UUID.randomUUID().toString().replace("-", "");
 
         if (origBytes == null) {
@@ -290,9 +291,9 @@ public class PBCAgent2G{
                 .build();
 
 
-        System.out.println("准备连接签名服务器");
+        logger.info("准备连接签名服务器");
         try (Response response = okHttpClient.newCall(request).execute()) {
-            System.out.println("连接成功，并收到响应");
+            logger.info("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();
@@ -310,10 +311,10 @@ public class PBCAgent2G{
             }
 
         } catch (IOException e) {
-            System.err.println("连接签名服务器异常" + e.getMessage());
+            logger.info("连接签名服务器异常" + e.getMessage());
             throw new RuntimeException("调用dettachedSign异常", e);
         } finally {
-            System.out.println("请求结束, 连接资源已释放");
+            logger.info("请求结束, 连接资源已释放");
         }
     }
 
@@ -361,13 +362,13 @@ public class PBCAgent2G{
                 .addHeader("X-API-Key", apiKey)
                 .build();
 
-        System.out.println("准备连接签名服务器");
+        logger.info("准备连接签名服务器");
         try (Response response = okHttpClient.newCall(request).execute()) {
-            System.out.println("连接成功，并收到响应");
+            logger.info("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();
-            System.out.println(root.toPrettyString());
+            logger.info(root.toPrettyString());
             if (code == 200){
                 DettachedVerifyResponse data = objectMapper.treeToValue(root.get("data"), DettachedVerifyResponse.class);
                 return data.getGenericCertificate();
@@ -383,10 +384,10 @@ public class PBCAgent2G{
             }
 
         } catch (IOException e) {
-            System.err.println("连接签名服务器异常" + e.getMessage());
+            logger.info("连接签名服务器异常" + e.getMessage());
             throw new RuntimeException("调用dettachedVerify异常", e);
         } finally {
-            System.out.println("请求结束, 连接资源已释放");
+            logger.info("请求结束, 连接资源已释放");
         }
     }
 
@@ -435,9 +436,9 @@ public class PBCAgent2G{
                 .addHeader("X-API-Key", apiKey)
                 .build();
 
-        System.out.println("准备连接签名服务器");
+        logger.info("准备连接签名服务器");
         try (Response response = okHttpClient.newCall(request).execute()) {
-            System.out.println("连接成功，并收到响应");
+            logger.info("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();
@@ -455,10 +456,10 @@ public class PBCAgent2G{
             }
 
         } catch (IOException e) {
-            System.err.println("连接签名服务器异常" + e.getMessage());
+            logger.info("连接签名服务器异常" + e.getMessage());
             throw new RuntimeException("调用dettachedVerifySimple异常", e);
         } finally {
-            System.out.println("请求结束, 连接资源已释放");
+            logger.info("请求结束, 连接资源已释放");
         }
     }
 
@@ -501,9 +502,9 @@ public class PBCAgent2G{
                 .addHeader("X-API-Key", apiKey)
                 .build();
 
-        System.out.println("准备连接签名服务器");
+        logger.info("准备连接签名服务器");
         try (Response response = okHttpClient.newCall(request).execute()) {
-            System.out.println("连接成功，并收到响应");
+            logger.info("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();
@@ -521,10 +522,10 @@ public class PBCAgent2G{
             }
 
         } catch (IOException e) {
-            System.err.println("连接签名服务器异常" + e.getMessage());
+            logger.info("连接签名服务器异常" + e.getMessage());
             throw new RuntimeException("调用uploadCert异常", e);
         } finally {
-            System.out.println("请求结束, 连接资源已释放");
+            logger.info("请求结束, 连接资源已释放");
         }
     }