diff --git a/basic-util/src/main/java/ink/wgink/util/SerialNumberUtil.java b/basic-util/src/main/java/ink/wgink/util/SerialNumberUtil.java
new file mode 100644
index 00000000..753a4a56
--- /dev/null
+++ b/basic-util/src/main/java/ink/wgink/util/SerialNumberUtil.java
@@ -0,0 +1,25 @@
+package ink.wgink.util;
+
+import ink.wgink.util.date.DateUtil;
+
+/**
+ * @ClassName: SerialNumberUtil
+ * @Description: 流水号
+ * @Author: wanggeng
+ * @Date: 2022/6/1 22:40
+ * @Version: 1.0
+ */
+public class SerialNumberUtil {
+
+    /**
+     * 日期序列
+     *
+     * @param serialNumber 序列号
+     * @param length       序列长度
+     * @return
+     */
+    public static final String dateTimeSerialNumber(int serialNumber, int length) {
+        return String.format("%s%0" + length + "d", DateUtil.getTime(), serialNumber);
+    }
+
+}