update

src/main/java/com/futu/course/XklSaleApplication.java

@@ -1,9 +1,11 @@
 package com.futu.course;
 
+import org.mybatis.spring.annotation.MapperScan;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 
 @SpringBootApplication
+@MapperScan("com.futu.course.dao")
 public class XklSaleApplication {
 
     public static void main(String[] args) {