diff --git a/src/main/java/com/iflytop/a800/device/Printer.java b/src/main/java/com/iflytop/a800/device/Printer.java
new file mode 100644
index 0000000..80bb421
--- /dev/null
+++ b/src/main/java/com/iflytop/a800/device/Printer.java
@@ -0,0 +1,8 @@
+package com.iflytop.a800.device;
+import com.iflytop.a800.model.MdbTest;
+public class Printer {
+    // 打印测试
+    public void printTest(MdbTest test) {
+        System.out.println(test.id);
+    }
+}