diff --git a/.idea/compiler.xml b/.idea/compiler.xml
index e65307f..9ea6e96 100644
--- a/.idea/compiler.xml
+++ b/.idea/compiler.xml
@@ -15,7 +15,7 @@
   </component>
   <component name="JavacSettings">
     <option name="ADDITIONAL_OPTIONS_OVERRIDE">
-      <module name="demo" options="-parameters" />
+      <module name="demo" options="" />
     </option>
   </component>
 </project>
\ No newline at end of file
diff --git a/.idea/firstproject.iml b/.idea/firstproject.iml
new file mode 100644
index 0000000..d6ebd48
--- /dev/null
+++ b/.idea/firstproject.iml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
index 8cefc09..e9a5dc9 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -1,5 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
+  <component name="JavaScriptSettings">
+    <option name="languageLevel" value="ES6" />
+  </component>
   <component name="MavenProjectsManager">
     <option name="originalFiles">
       <list>
diff --git a/.idea/modules.xml b/.idea/modules.xml
index 14624ce..56359f1 100644
--- a/.idea/modules.xml
+++ b/.idea/modules.xml
@@ -3,7 +3,7 @@
   <component name="ProjectModuleManager">
     <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://$PROJECT_DIR$/.idea/firstproject.iml" filepath="$PROJECT_DIR$/.idea/firstproject.iml" />
     </modules>
   </component>
 </project>
\ No newline at end of file
diff --git a/demo/src/main/resources/application.yml b/demo/src/main/resources/application.yml
index 2f7a0fa..fbbf842 100644
--- a/demo/src/main/resources/application.yml
+++ b/demo/src/main/resources/application.yml
@@ -6,7 +6,7 @@ spring:
   datasource:
     url: jdbc:mysql://localhost:3306/loan?useUnicode=true&characterEncoding=utf8&serverTimezone=GMT%2B8
     username: root
-    password: 12345678
+    password: 123
     driver-class-name: com.mysql.cj.jdbc.Driver
 mybatis:
   type-aliases-package: com.example.demo.Dao