diff --git a/.idea/modules.xml b/.idea/modules.xml
index 7596314..14624ce 100644
--- a/.idea/modules.xml
+++ b/.idea/modules.xml
@@ -4,7 +4,6 @@
     <modules>
       <module fileurl="file://$PROJECT_DIR$/demo/demo.iml" filepath="$PROJECT_DIR$/demo/demo.iml" />
       <module fileurl="file://$PROJECT_DIR$/firstproject.iml" filepath="$PROJECT_DIR$/firstproject.iml" />
-      <module fileurl="file://$PROJECT_DIR$/firstproject.iml" filepath="$PROJECT_DIR$/firstproject.iml" />
     </modules>
   </component>
 </project>
\ No newline at end of file
diff --git a/demo/src/main/java/com/example/demo/Dao/paymentMapper.java b/demo/src/main/java/com/example/demo/Dao/paymentMapper.java
index 7977604..1ee768d 100644
--- a/demo/src/main/java/com/example/demo/Dao/paymentMapper.java
+++ b/demo/src/main/java/com/example/demo/Dao/paymentMapper.java
@@ -1,6 +1,5 @@
 package com.example.demo.Dao;
 
-import com.example.demo.bean.Manager;
 import com.example.demo.bean.Repayment;
 import org.apache.ibatis.annotations.Insert;
 import org.apache.ibatis.annotations.Mapper;
diff --git a/demo/src/main/java/com/example/demo/DemoApplication.java b/demo/src/main/java/com/example/demo/DemoApplication.java
index 99fe3b0..348edc1 100644
--- a/demo/src/main/java/com/example/demo/DemoApplication.java
+++ b/demo/src/main/java/com/example/demo/DemoApplication.java
@@ -1,6 +1,5 @@
 package com.example.demo;
 
-import org.mybatis.spring.annotation.MapperScan;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;