diff --git a/pom.xml b/pom.xml
index 91ed9b6..c05df81 100644
--- a/pom.xml
+++ b/pom.xml
@@ -167,6 +167,11 @@
             <artifactId>bcprov</artifactId>
             <version>1.6.0</version>
         </dependency>
+        <dependency>
+            <groupId>net.java.dev.jna</groupId>
+            <artifactId>jna</artifactId>
+            <version>5.11.0</version>
+        </dependency>
 
         <!--okhttp-->
         <!--        <dependency>-->
diff --git a/src/main/java/com/glxp/mipsdl/client/sjpwxyy/SjpwxyyClient.java b/src/main/java/com/glxp/mipsdl/client/sjpwxyy/SjpwxyyClient.java
index be86383..88bf603 100644
--- a/src/main/java/com/glxp/mipsdl/client/sjpwxyy/SjpwxyyClient.java
+++ b/src/main/java/com/glxp/mipsdl/client/sjpwxyy/SjpwxyyClient.java
@@ -1916,6 +1916,10 @@ public class SjpwxyyClient extends CommonHttpClient {
                         List<DrugInfoRequest> drugTraceList = new ArrayList<>();
                         // 遍历fruits数组
                         for (String code : codes) {
+
+                            //todo
+
+
                             DrugInfoRequest request = new DrugInfoRequest();
                             request.setDrug_trac_codg(code);
                             drugTraceList.add(request);
diff --git a/src/main/java/com/glxp/mipsdl/dao/basic/RelCodeDetailMapper.java b/src/main/java/com/glxp/mipsdl/dao/basic/RelCodeDetailMapper.java
new file mode 100644
index 0000000..a172ecb
--- /dev/null
+++ b/src/main/java/com/glxp/mipsdl/dao/basic/RelCodeDetailMapper.java
@@ -0,0 +1,9 @@
+package com.glxp.mipsdl.dao.basic;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.glxp.mipsdl.entity.basic.RelCodeDetail;
+import org.apache.ibatis.annotations.Mapper;
+
+@Mapper
+public interface RelCodeDetailMapper extends BaseMapper<RelCodeDetail> {
+}
\ No newline at end of file
diff --git a/src/main/java/com/glxp/mipsdl/entity/basic/RelCodeDetail.java b/src/main/java/com/glxp/mipsdl/entity/basic/RelCodeDetail.java
new file mode 100644
index 0000000..955bde8
--- /dev/null
+++ b/src/main/java/com/glxp/mipsdl/entity/basic/RelCodeDetail.java
@@ -0,0 +1,47 @@
+package com.glxp.mipsdl.entity.basic;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableField;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import java.io.Serializable;
+import lombok.Data;
+
+@Data
+@TableName(value = "rel_code_detail")
+public class RelCodeDetail implements Serializable {
+    @TableId(value = "id", type = IdType.INPUT)
+    private Integer id;
+
+    /**
+     * 当前条码
+     */
+    @TableField(value = "curCode")
+    private String curCode;
+
+    /**
+     * 包装级别
+     */
+    @TableField(value = "packLayer")
+    private Byte packLayer;
+
+    /**
+     * 父级码
+     */
+    @TableField(value = "parentCode")
+    private String parentCode;
+
+    /**
+     * 状态
+     */
+    @TableField(value = "flag")
+    private Byte flag;
+
+    /**
+     * 产品批次ID外键
+     */
+    @TableField(value = "batchIdFk")
+    private Integer batchIdFk;
+
+    private static final long serialVersionUID = 1L;
+}
\ No newline at end of file
diff --git a/src/main/java/com/glxp/mipsdl/service/basic/RelCodeDetailService.java b/src/main/java/com/glxp/mipsdl/service/basic/RelCodeDetailService.java
new file mode 100644
index 0000000..3d61893
--- /dev/null
+++ b/src/main/java/com/glxp/mipsdl/service/basic/RelCodeDetailService.java
@@ -0,0 +1,39 @@
+package com.glxp.mipsdl.service.basic;
+
+import cn.hutool.core.collection.CollUtil;
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import org.springframework.stereotype.Service;
+
+import javax.annotation.Resource;
+import java.util.ArrayList;
+import java.util.List;
+
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.glxp.mipsdl.entity.basic.RelCodeDetail;
+import com.glxp.mipsdl.dao.basic.RelCodeDetailMapper;
+
+@Service
+public class RelCodeDetailService extends ServiceImpl<RelCodeDetailMapper, RelCodeDetail> {
+    /**
+     * 获取下级所有码
+     *
+     * @return
+     */
+    public List<RelCodeDetail> getAllNext(String code) {
+        List<RelCodeDetail> list = new ArrayList<>();
+        fetchAllChildren(code, list);
+        return list;
+    }
+
+    private void fetchAllChildren(String code, List<RelCodeDetail> list) {
+        List<RelCodeDetail> relCodeDetails = this.baseMapper.selectList(
+                new LambdaQueryWrapper<RelCodeDetail>().eq(RelCodeDetail::getParentCode, code));
+
+        if (CollUtil.isNotEmpty(relCodeDetails)) {
+            list.addAll(relCodeDetails);
+            for (RelCodeDetail relCodeDetail : relCodeDetails) {
+                fetchAllChildren(relCodeDetail.getCurCode(), list);
+            }
+        }
+    }
+}
diff --git a/src/main/java/com/glxp/mipsdl/util/DdlUtils.java b/src/main/java/com/glxp/mipsdl/util/DdlUtils.java
new file mode 100644
index 0000000..ec0799c
--- /dev/null
+++ b/src/main/java/com/glxp/mipsdl/util/DdlUtils.java
@@ -0,0 +1,27 @@
+package com.glxp.mipsdl.util;
+
+import cn.hutool.core.util.StrUtil;
+import com.sun.tools.javac.Main;
+
+public class DdlUtils {
+    static {
+//        String path = System.getProperty("user.dir");
+//        path = path + "/dll/hsafsiyhsafe.dll";
+//        System.out.println(path);
+        System.loadLibrary("hsafsiyhsafe"); //
+    }
+
+    public native int gm_ecb_encrypt_key(String pub_key, String plain, int plain_len, String cipher);
+
+    public native int gm_ecb_decrypt_key(String pub_key, String cipher, int cipher_len, String plain);
+
+
+    public static void main(String[] args) {
+        DdlUtils ddlUtils = new DdlUtils();
+        String key = "D7F322E4541DB0C48EB7B0AF2093BEE3F1AC6A3FAB1BDE30E72816571EEC50B7";
+        String code = "H51072700564";
+        String data = "";
+        ddlUtils.gm_ecb_decrypt_key(code, key, key.length(), data);
+    }
+
+}
diff --git a/src/main/java/com/glxp/mipsdl/util/GMEncrypt.java b/src/main/java/com/glxp/mipsdl/util/GMEncrypt.java
new file mode 100644
index 0000000..68e61c8
--- /dev/null
+++ b/src/main/java/com/glxp/mipsdl/util/GMEncrypt.java
@@ -0,0 +1,44 @@
+package com.glxp.mipsdl.util;
+
+import com.sun.jna.Native;
+
+/**
+ * @author AnthonyYwj
+ * @date 2024/11/6
+ */
+
+
+import com.sun.jna.Library;
+import com.sun.jna.Native;
+
+import java.nio.charset.StandardCharsets;
+
+public interface GMEncrypt {
+    // 定义接口，映射 DLL 中的函数
+    public interface GMEncryptLibrary extends Library {
+        GMEncryptLibrary INSTANCE = (GMEncryptLibrary) Native.load("hsafsiyhsafe", GMEncryptLibrary.class);
+
+        // 映射 gm_ecb_encrypt_key 函数
+        int gm_ecb_encrypt_key(byte[] pub_key, byte[] plain, int plain_len, byte[] cipher);
+        int gm_ecb_decrypt_key(byte[] pub_key, byte[] plain, int plain_len, byte[] cipher);
+    }
+
+    public static void main(String[] args) {
+        // 准备输入数据
+        String pubKeyStr = "D7F322E4541DB0C48EB7B0AF2093BEE3F1AC6A3FAB1BDE30E72816571EEC50B7";
+        byte[] plain = "test plaintext".getBytes();
+        int plainLen = plain.length;
+        byte[] cipher = new byte[1024];  // cipher 大小依据加密算法决定
+
+        // 调用加密方法
+        int result = GMEncryptLibrary.INSTANCE.gm_ecb_encrypt_key(pubKeyStr.getBytes(StandardCharsets.UTF_8), plain, plainLen, cipher);
+
+        // 输出结果
+        if (result == 0) {
+            System.out.println("Encryption successful!");
+            System.out.println("Encrypted data: " + new String(cipher));
+        } else {
+            System.out.println("Encryption failed with error code: " + result);
+        }
+    }
+}
diff --git a/src/main/resources/mybatis/mapper/master/basic/RelCodeDetailMapper.xml b/src/main/resources/mybatis/mapper/master/basic/RelCodeDetailMapper.xml
new file mode 100644
index 0000000..9b932d2
--- /dev/null
+++ b/src/main/resources/mybatis/mapper/master/basic/RelCodeDetailMapper.xml
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="com.glxp.mipsdl.dao.basic.RelCodeDetailMapper">
+  <resultMap id="BaseResultMap" type="com.glxp.mipsdl.entity.basic.RelCodeDetail">
+    <!--@mbg.generated-->
+    <!--@Table rel_code_detail-->
+    <id column="id" jdbcType="INTEGER" property="id" />
+    <result column="curCode" jdbcType="VARCHAR" property="curCode" />
+    <result column="packLayer" jdbcType="TINYINT" property="packLayer" />
+    <result column="parentCode" jdbcType="VARCHAR" property="parentCode" />
+    <result column="flag" jdbcType="TINYINT" property="flag" />
+    <result column="batchIdFk" jdbcType="INTEGER" property="batchIdFk" />
+  </resultMap>
+  <sql id="Base_Column_List">
+    <!--@mbg.generated-->
+    id, curCode, packLayer, parentCode, flag, batchIdFk
+  </sql>
+</mapper>
\ No newline at end of file