diff --git a/Query.java b/Query.java
new file mode 100644
index 0000000..ea145b2
--- /dev/null
+++ b/Query.java
@@ -0,0 +1,7 @@
+package dao;
+
+/**
+ * 继承自库中jntoo-query.jar
+ */
+public class Query extends net.jntoo.db.Query {
+}