diff --git a/RandomFunction.java b/RandomFunction.java
new file mode 100644
index 0000000..f46b1ee
--- /dev/null
+++ b/RandomFunction.java
@@ -0,0 +1,26 @@
+package com.sen.api.functions;
+
+import com.sen.api.utils.RandomUtil;
+
+public class RandomFunction implements Function {
+
+	@Override
+	public String execute(String[] args) {
+		int len = args.length;
+		int length = 6;// 默认为6
+		boolean flag = false;// 默认为false
+		if (len > 0) {// 第一个参数字符串长度
+			length = Integer.valueOf(args[0]);
+		}
+		if (len > 1) {// 第二个参数是否纯字符串
+			flag = Boolean.valueOf(args[1]);
+		}
+		return RandomUtil.getRandom(length, flag);
+	}
+
+	@Override
+	public String getReferenceKey() {
+		return "random";
+	}
+
+}