diff --git a/.idea/libraries/Maven__com_baomidou_mybatis_plus_3_1_2.xml b/.idea/libraries/Maven__com_baomidou_mybatis_plus_3_1_2.xml
deleted file mode 100644
index d41bbbc..0000000
--- a/.idea/libraries/Maven__com_baomidou_mybatis_plus_3_1_2.xml
+++ /dev/null
@@ -1,13 +0,0 @@
-<component name="libraryTable">
-  <library name="Maven: com.baomidou:mybatis-plus:3.1.2">
-    <CLASSES>
-      <root url="jar://$MAVEN_REPOSITORY$/com/baomidou/mybatis-plus/3.1.2/mybatis-plus-3.1.2.jar!/" />
-    </CLASSES>
-    <JAVADOC>
-      <root url="jar://$MAVEN_REPOSITORY$/com/baomidou/mybatis-plus/3.1.2/mybatis-plus-3.1.2-javadoc.jar!/" />
-    </JAVADOC>
-    <SOURCES>
-      <root url="jar://$MAVEN_REPOSITORY$/com/baomidou/mybatis-plus/3.1.2/mybatis-plus-3.1.2-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/Maven__com_baomidou_mybatis_plus_annotation_3_1_2.xml b/.idea/libraries/Maven__com_baomidou_mybatis_plus_annotation_3_1_2.xml
deleted file mode 100644
index 4a46b21..0000000
--- a/.idea/libraries/Maven__com_baomidou_mybatis_plus_annotation_3_1_2.xml
+++ /dev/null
@@ -1,13 +0,0 @@
-<component name="libraryTable">
-  <library name="Maven: com.baomidou:mybatis-plus-annotation:3.1.2">
-    <CLASSES>
-      <root url="jar://$MAVEN_REPOSITORY$/com/baomidou/mybatis-plus-annotation/3.1.2/mybatis-plus-annotation-3.1.2.jar!/" />
-    </CLASSES>
-    <JAVADOC>
-      <root url="jar://$MAVEN_REPOSITORY$/com/baomidou/mybatis-plus-annotation/3.1.2/mybatis-plus-annotation-3.1.2-javadoc.jar!/" />
-    </JAVADOC>
-    <SOURCES>
-      <root url="jar://$MAVEN_REPOSITORY$/com/baomidou/mybatis-plus-annotation/3.1.2/mybatis-plus-annotation-3.1.2-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/Maven__com_baomidou_mybatis_plus_boot_starter_3_1_2.xml b/.idea/libraries/Maven__com_baomidou_mybatis_plus_boot_starter_3_1_2.xml
deleted file mode 100644
index a495bd8..0000000
--- a/.idea/libraries/Maven__com_baomidou_mybatis_plus_boot_starter_3_1_2.xml
+++ /dev/null
@@ -1,13 +0,0 @@
-<component name="libraryTable">
-  <library name="Maven: com.baomidou:mybatis-plus-boot-starter:3.1.2">
-    <CLASSES>
-      <root url="jar://$MAVEN_REPOSITORY$/com/baomidou/mybatis-plus-boot-starter/3.1.2/mybatis-plus-boot-starter-3.1.2.jar!/" />
-    </CLASSES>
-    <JAVADOC>
-      <root url="jar://$MAVEN_REPOSITORY$/com/baomidou/mybatis-plus-boot-starter/3.1.2/mybatis-plus-boot-starter-3.1.2-javadoc.jar!/" />
-    </JAVADOC>
-    <SOURCES>
-      <root url="jar://$MAVEN_REPOSITORY$/com/baomidou/mybatis-plus-boot-starter/3.1.2/mybatis-plus-boot-starter-3.1.2-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/Maven__com_baomidou_mybatis_plus_core_3_1_2.xml b/.idea/libraries/Maven__com_baomidou_mybatis_plus_core_3_1_2.xml
deleted file mode 100644
index 7a6a0bf..0000000
--- a/.idea/libraries/Maven__com_baomidou_mybatis_plus_core_3_1_2.xml
+++ /dev/null
@@ -1,13 +0,0 @@
-<component name="libraryTable">
-  <library name="Maven: com.baomidou:mybatis-plus-core:3.1.2">
-    <CLASSES>
-      <root url="jar://$MAVEN_REPOSITORY$/com/baomidou/mybatis-plus-core/3.1.2/mybatis-plus-core-3.1.2.jar!/" />
-    </CLASSES>
-    <JAVADOC>
-      <root url="jar://$MAVEN_REPOSITORY$/com/baomidou/mybatis-plus-core/3.1.2/mybatis-plus-core-3.1.2-javadoc.jar!/" />
-    </JAVADOC>
-    <SOURCES>
-      <root url="jar://$MAVEN_REPOSITORY$/com/baomidou/mybatis-plus-core/3.1.2/mybatis-plus-core-3.1.2-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/Maven__com_baomidou_mybatis_plus_extension_3_1_2.xml b/.idea/libraries/Maven__com_baomidou_mybatis_plus_extension_3_1_2.xml
deleted file mode 100644
index 4dec47a..0000000
--- a/.idea/libraries/Maven__com_baomidou_mybatis_plus_extension_3_1_2.xml
+++ /dev/null
@@ -1,13 +0,0 @@
-<component name="libraryTable">
-  <library name="Maven: com.baomidou:mybatis-plus-extension:3.1.2">
-    <CLASSES>
-      <root url="jar://$MAVEN_REPOSITORY$/com/baomidou/mybatis-plus-extension/3.1.2/mybatis-plus-extension-3.1.2.jar!/" />
-    </CLASSES>
-    <JAVADOC>
-      <root url="jar://$MAVEN_REPOSITORY$/com/baomidou/mybatis-plus-extension/3.1.2/mybatis-plus-extension-3.1.2-javadoc.jar!/" />
-    </JAVADOC>
-    <SOURCES>
-      <root url="jar://$MAVEN_REPOSITORY$/com/baomidou/mybatis-plus-extension/3.1.2/mybatis-plus-extension-3.1.2-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/Maven__commons_fileupload_commons_fileupload_1_4.xml b/.idea/libraries/Maven__commons_fileupload_commons_fileupload_1_4.xml
deleted file mode 100644
index 3b9dcc0..0000000
--- a/.idea/libraries/Maven__commons_fileupload_commons_fileupload_1_4.xml
+++ /dev/null
@@ -1,13 +0,0 @@
-<component name="libraryTable">
-  <library name="Maven: commons-fileupload:commons-fileupload:1.4">
-    <CLASSES>
-      <root url="jar://$MAVEN_REPOSITORY$/commons-fileupload/commons-fileupload/1.4/commons-fileupload-1.4.jar!/" />
-    </CLASSES>
-    <JAVADOC>
-      <root url="jar://$MAVEN_REPOSITORY$/commons-fileupload/commons-fileupload/1.4/commons-fileupload-1.4-javadoc.jar!/" />
-    </JAVADOC>
-    <SOURCES>
-      <root url="jar://$MAVEN_REPOSITORY$/commons-fileupload/commons-fileupload/1.4/commons-fileupload-1.4-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/Maven__commons_io_commons_io_2_2.xml b/.idea/libraries/Maven__commons_io_commons_io_2_2.xml
deleted file mode 100644
index f8084ec..0000000
--- a/.idea/libraries/Maven__commons_io_commons_io_2_2.xml
+++ /dev/null
@@ -1,13 +0,0 @@
-<component name="libraryTable">
-  <library name="Maven: commons-io:commons-io:2.2">
-    <CLASSES>
-      <root url="jar://$MAVEN_REPOSITORY$/commons-io/commons-io/2.2/commons-io-2.2.jar!/" />
-    </CLASSES>
-    <JAVADOC>
-      <root url="jar://$MAVEN_REPOSITORY$/commons-io/commons-io/2.2/commons-io-2.2-javadoc.jar!/" />
-    </JAVADOC>
-    <SOURCES>
-      <root url="jar://$MAVEN_REPOSITORY$/commons-io/commons-io/2.2/commons-io-2.2-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/Maven__org_mybatis_mybatis_3_5_1.xml b/.idea/libraries/Maven__org_mybatis_mybatis_3_5_1.xml
deleted file mode 100644
index e633f81..0000000
--- a/.idea/libraries/Maven__org_mybatis_mybatis_3_5_1.xml
+++ /dev/null
@@ -1,13 +0,0 @@
-<component name="libraryTable">
-  <library name="Maven: org.mybatis:mybatis:3.5.1">
-    <CLASSES>
-      <root url="jar://$MAVEN_REPOSITORY$/org/mybatis/mybatis/3.5.1/mybatis-3.5.1.jar!/" />
-    </CLASSES>
-    <JAVADOC>
-      <root url="jar://$MAVEN_REPOSITORY$/org/mybatis/mybatis/3.5.1/mybatis-3.5.1-javadoc.jar!/" />
-    </JAVADOC>
-    <SOURCES>
-      <root url="jar://$MAVEN_REPOSITORY$/org/mybatis/mybatis/3.5.1/mybatis-3.5.1-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/Maven__org_mybatis_mybatis_spring_2_0_1.xml b/.idea/libraries/Maven__org_mybatis_mybatis_spring_2_0_1.xml
deleted file mode 100644
index f49fd3a..0000000
--- a/.idea/libraries/Maven__org_mybatis_mybatis_spring_2_0_1.xml
+++ /dev/null
@@ -1,13 +0,0 @@
-<component name="libraryTable">
-  <library name="Maven: org.mybatis:mybatis-spring:2.0.1">
-    <CLASSES>
-      <root url="jar://$MAVEN_REPOSITORY$/org/mybatis/mybatis-spring/2.0.1/mybatis-spring-2.0.1.jar!/" />
-    </CLASSES>
-    <JAVADOC>
-      <root url="jar://$MAVEN_REPOSITORY$/org/mybatis/mybatis-spring/2.0.1/mybatis-spring-2.0.1-javadoc.jar!/" />
-    </JAVADOC>
-    <SOURCES>
-      <root url="jar://$MAVEN_REPOSITORY$/org/mybatis/mybatis-spring/2.0.1/mybatis-spring-2.0.1-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/Maven__org_projectlombok_lombok_1_18_8.xml b/.idea/libraries/Maven__org_projectlombok_lombok_1_18_8.xml
deleted file mode 100644
index 9843fa4..0000000
--- a/.idea/libraries/Maven__org_projectlombok_lombok_1_18_8.xml
+++ /dev/null
@@ -1,13 +0,0 @@
-<component name="libraryTable">
-  <library name="Maven: org.projectlombok:lombok:1.18.8">
-    <CLASSES>
-      <root url="jar://$MAVEN_REPOSITORY$/org/projectlombok/lombok/1.18.8/lombok-1.18.8.jar!/" />
-    </CLASSES>
-    <JAVADOC>
-      <root url="jar://$MAVEN_REPOSITORY$/org/projectlombok/lombok/1.18.8/lombok-1.18.8-javadoc.jar!/" />
-    </JAVADOC>
-    <SOURCES>
-      <root url="jar://$MAVEN_REPOSITORY$/org/projectlombok/lombok/1.18.8/lombok-1.18.8-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>
\ No newline at end of file