diff --git a/Arithmometer.java b/Arithmometer.java
deleted file mode 100644
index bff74fa..0000000
--- a/Arithmometer.java
+++ /dev/null
@@ -1,31 +0,0 @@
-package com.wpc;
-/* --- coding = utf-8 ---
- * @Time:     2020/8/6 18:34
- * @Author:   1807310509
- * @File:     Arithmometer.java
- * @Software: IntelliJ IDEA
- */
-
-public class Arithmometer {
-    private static double result;
-
-    public Arithmometer() {
-    }
-
-    public static double calculator(Double num1,String sign,Double num2) {
-        switch (sign) {
-            case "+":
-                result = num1 + num2;
-                break;
-            case "-":
-                result = num1 - num2;
-                break;
-            case "*":
-                result = num1 * num2;
-                break;
-            case "/":
-                result = num1 / num2;
-        }
-        return result;
-    }
-}
diff --git a/gitTraining.txt b/gitTraining.txt
deleted file mode 100644
index e965047..0000000
--- a/gitTraining.txt
+++ /dev/null
@@ -1 +0,0 @@
-Hello