diff --git a/Westdc/Helpers/Tools.php b/Westdc/Helpers/Tools.php
new file mode 100644
index 0000000..fe9ec21
--- /dev/null
+++ b/Westdc/Helpers/Tools.php
@@ -0,0 +1,14 @@
+<?php
+namespace Westdc\Helpers;
+
+class Tools {
+	/**
+	 * 判断是否为UUID字符串
+	 * 返回结果为0或1
+	 */
+	public static function isUUID($uuid) {
+		return preg_match("/^[0-9A-Za-z]{8}-[0-9A-Za-z]{4}-[0-9A-Za-z]{4}-[0-9A-Za-z]{4}-[0-9A-Za-z]{12}$/",$uuid);
+	}
+	
+	
+}
\ No newline at end of file