diff --git a/src/main/java/live/tomey/api/express/unit/Run1.java b/src/main/java/live/tomey/api/express/unit/Run1.java
deleted file mode 100644
index e634446..0000000
--- a/src/main/java/live/tomey/api/express/unit/Run1.java
+++ /dev/null
@@ -1,41 +0,0 @@
-package live.tomey.api.express.unit;
-
-import java.util.Scanner;
-
-/**
- * @Author 18209
- * @Date 2021/3/20 21:03
- * @Version 1.0
- */
-public class Run1 {
-    public static void main(String[] args) {
-        Scanner scanner = new Scanner(System.in);
-        double a, b, sum = 0;
-        String op, ch = "";
-        do {
-            System.out.println(("请输入第一个数:"));
-            a = scanner.nextDouble();
-            System.out.println(("请输入第二个数:"));
-            b = scanner.nextDouble();
-            System.out.println("请输入运算符:");
-            op = scanner.next();
-            if (op.equals("+")) {
-                sum = a + b;
-            } else if (op.equals("-")) {
-                sum = a - b;
-            } else if (op.equals("*")) {
-                sum = a * b;
-            } else if (op.equals("/")) {
-                sum = a / b;
-            } else {
-                System.out.println("错误");
-                continue;
-            }
-            System.out.println("结果" + a + op + b + "=" + sum);
-            System.out.println("是否还要继续运算?(y/n)");
-            ch = scanner.next();
-        } while (ch.equals("y") | ch.equals("Y"));
-        System.out.println("程序结束!");
-
-    }
-}
diff --git a/src/main/resources/application.properties b/src/main/resources/application.properties
index 5c96611..3e61340 100644
--- a/src/main/resources/application.properties
+++ b/src/main/resources/application.properties
@@ -24,11 +24,11 @@ spring.servlet.multipart.maxRequestSize=200MB
 # 数据库dataSource
 jdbc.driver=8zQIdS8RzOBmd4qRctgYdYM/fdvrjnIJHyQH1bD/jNs=
 #服务器本地127.0.0.1
-jdbc.urls=jdbc:mysql://127.0.0.1:3306/mall?useUnicode=true&characterEncoding=utf8&useSSL=false&serverTimezone=UTC&allowPublicKeyRetrieval=true
+jdbc.url=jdbc:mysql://127.0.0.1:3306/express?useUnicode=true&characterEncoding=utf8&useSSL=false&serverTimezone=UTC&allowPublicKeyRetrieval=true
 #azure
-jdbc.url=jdbc:mysql://13.75.92.40:3306/mall?useUnicode=true&characterEncoding=utf8&useSSL=false&serverTimezone=UTC&allowPublicKeyRetrieval=true
+jdbc.urls=jdbc:mysql://13.75.92.40:3306/express?useUnicode=true&characterEncoding=utf8&useSSL=false&serverTimezone=UTC&allowPublicKeyRetrieval=true
 #服务器ip
-jdbc.username=mall
+jdbc.username=express
 jdbc.password=dr4ap4dbnyCMZTcr
 
 # Mybatis