diff --git a/common/src/main/java/com/hzya/frame/ttxofs/OfsHexUtil.java b/common/src/main/java/com/hzya/frame/ttxofs/OfsHexUtil.java
new file mode 100644
index 00000000..28c2fab3
--- /dev/null
+++ b/common/src/main/java/com/hzya/frame/ttxofs/OfsHexUtil.java
@@ -0,0 +1,36 @@
+package com.hzya.frame.ttxofs;
+
+import cn.hutool.core.util.StrUtil;
+import org.apache.commons.codec.digest.DigestUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * 通天晓OFS，认证授权加密类
+ *
+ * @Author：liuyang
+ * @Package：com.hzya.frame.ttxofs
+ * @Project：kangarooDataCenterV3
+ * @name：HexUtil
+ * @Date：2024/7/29 14:22
+ * @Filename：HexUtil
+ */
+public class OfsHexUtil {
+
+    Logger logger = LoggerFactory.getLogger(OfsHexUtil.class);
+
+    /**
+     * 签名加密
+     *
+     * @author liuyang
+     */
+    public String sign(String api, String data, String format, String appKey, String v, String secret, String timestamp) {
+//        String str = "${secret}api${api?:''}appKey${appKey?:''}data${data?:''}format${format?:''}timestamp${timestamp?:''}v${v?:''}${secret}";
+        String api2appKey1data4format5timestamp6v3 = StrUtil.format("{}api{}appKey{}data{}format{}timestamp{}v{}{}", secret, api, appKey, data, format, timestamp, v, secret);
+
+        logger.info("sign str:" + api2appKey1data4format5timestamp6v3);
+        String s = DigestUtils.md5Hex(api2appKey1data4format5timestamp6v3);
+        logger.info("local sign:" + s);
+        return s;
+    }
+}
\ No newline at end of file
diff --git a/common/src/test/java/Test.java b/common/src/test/java/Test.java
index 0e7d759f..e4819e59 100644
--- a/common/src/test/java/Test.java
+++ b/common/src/test/java/Test.java
@@ -1,3 +1,6 @@
+import cn.hutool.core.util.HexUtil;
+import com.hzya.frame.ttxofs.OfsHexUtil;
+
 /**
  * @Content
  * @Author 👻👻👻👻👻👻👻👻👻👻 gjh
@@ -5,4 +8,18 @@
  * @Version 1.0
  */
 public class Test {
+    public static void main(String[] args) {
+        OfsHexUtil h = new OfsHexUtil();
+        String data = "{\n" +
+                "    \"created_start\": \"2024-03-27 12:03:30\",\n" +
+                "    \"created_end\": \"2024-03-27 12:04:00\",\n" +
+                "    \"clientCode\": \"LETS\",\n" +
+                "    \"status\": 900,\n" +
+                "    \"internalInstructionType\": \"SALES\",\n" +
+                "    \"pageNo\": 1,\n" +
+                "    \"pageSize\": 50\n" +
+                "}";
+        String json = h.sign("ofs.shipment.search", data, "json", "1023142858", "1.0", "382e4a2584027a36ac9431103", "123456789");
+        System.out.println(json);
+    }
 }