diff --git a/Notes-master/.gradle/7.5/checksums/checksums.lock b/Notes-master/.gradle/7.5/checksums/checksums.lock
index 40f11c7..25e8ed2 100644
Binary files a/Notes-master/.gradle/7.5/checksums/checksums.lock and b/Notes-master/.gradle/7.5/checksums/checksums.lock differ
diff --git a/Notes-master/.gradle/7.5/checksums/md5-checksums.bin b/Notes-master/.gradle/7.5/checksums/md5-checksums.bin
index 71756c3..e5a29ce 100644
Binary files a/Notes-master/.gradle/7.5/checksums/md5-checksums.bin and b/Notes-master/.gradle/7.5/checksums/md5-checksums.bin differ
diff --git a/Notes-master/.gradle/7.5/checksums/sha1-checksums.bin b/Notes-master/.gradle/7.5/checksums/sha1-checksums.bin
index 58c9e3d..758d29e 100644
Binary files a/Notes-master/.gradle/7.5/checksums/sha1-checksums.bin and b/Notes-master/.gradle/7.5/checksums/sha1-checksums.bin differ
diff --git a/Notes-master/.idea/.gitignore b/Notes-master/.idea/.gitignore
deleted file mode 100644
index 359bb53..0000000
--- a/Notes-master/.idea/.gitignore
+++ /dev/null
@@ -1,3 +0,0 @@
-# 默认忽略的文件
-/shelf/
-/workspace.xml
diff --git a/Notes-master/.idea/codeStyles/Project.xml b/Notes-master/.idea/codeStyles/Project.xml
new file mode 100644
index 0000000..681f41a
--- /dev/null
+++ b/Notes-master/.idea/codeStyles/Project.xml
@@ -0,0 +1,116 @@
+<component name="ProjectCodeStyleConfiguration">
+  <code_scheme name="Project" version="173">
+    <codeStyleSettings language="XML">
+      <indentOptions>
+        <option name="CONTINUATION_INDENT_SIZE" value="4" />
+      </indentOptions>
+      <arrangement>
+        <rules>
+          <section>
+            <rule>
+              <match>
+                <AND>
+                  <NAME>xmlns:android</NAME>
+                  <XML_ATTRIBUTE />
+                  <XML_NAMESPACE>^$</XML_NAMESPACE>
+                </AND>
+              </match>
+            </rule>
+          </section>
+          <section>
+            <rule>
+              <match>
+                <AND>
+                  <NAME>xmlns:.*</NAME>
+                  <XML_ATTRIBUTE />
+                  <XML_NAMESPACE>^$</XML_NAMESPACE>
+                </AND>
+              </match>
+              <order>BY_NAME</order>
+            </rule>
+          </section>
+          <section>
+            <rule>
+              <match>
+                <AND>
+                  <NAME>.*:id</NAME>
+                  <XML_ATTRIBUTE />
+                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
+                </AND>
+              </match>
+            </rule>
+          </section>
+          <section>
+            <rule>
+              <match>
+                <AND>
+                  <NAME>.*:name</NAME>
+                  <XML_ATTRIBUTE />
+                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
+                </AND>
+              </match>
+            </rule>
+          </section>
+          <section>
+            <rule>
+              <match>
+                <AND>
+                  <NAME>name</NAME>
+                  <XML_ATTRIBUTE />
+                  <XML_NAMESPACE>^$</XML_NAMESPACE>
+                </AND>
+              </match>
+            </rule>
+          </section>
+          <section>
+            <rule>
+              <match>
+                <AND>
+                  <NAME>style</NAME>
+                  <XML_ATTRIBUTE />
+                  <XML_NAMESPACE>^$</XML_NAMESPACE>
+                </AND>
+              </match>
+            </rule>
+          </section>
+          <section>
+            <rule>
+              <match>
+                <AND>
+                  <NAME>.*</NAME>
+                  <XML_ATTRIBUTE />
+                  <XML_NAMESPACE>^$</XML_NAMESPACE>
+                </AND>
+              </match>
+              <order>BY_NAME</order>
+            </rule>
+          </section>
+          <section>
+            <rule>
+              <match>
+                <AND>
+                  <NAME>.*</NAME>
+                  <XML_ATTRIBUTE />
+                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
+                </AND>
+              </match>
+              <order>ANDROID_ATTRIBUTE_ORDER</order>
+            </rule>
+          </section>
+          <section>
+            <rule>
+              <match>
+                <AND>
+                  <NAME>.*</NAME>
+                  <XML_ATTRIBUTE />
+                  <XML_NAMESPACE>.*</XML_NAMESPACE>
+                </AND>
+              </match>
+              <order>BY_NAME</order>
+            </rule>
+          </section>
+        </rules>
+      </arrangement>
+    </codeStyleSettings>
+  </code_scheme>
+</component>
\ No newline at end of file
diff --git a/Notes-master/.idea/compiler.xml b/Notes-master/.idea/compiler.xml
deleted file mode 100644
index b589d56..0000000
--- a/Notes-master/.idea/compiler.xml
+++ /dev/null
@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="CompilerConfiguration">
-    <bytecodeTargetLevel target="17" />
-  </component>
-</project>
\ No newline at end of file
diff --git a/Notes-master/.idea/gradle.xml b/Notes-master/.idea/gradle.xml
index cbbe561..b68060b 100644
--- a/Notes-master/.idea/gradle.xml
+++ b/Notes-master/.idea/gradle.xml
@@ -1,19 +1,12 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="GradleMigrationSettings" migrationVersion="1" />
   <component name="GradleSettings">
     <option name="linkedExternalProjectsSettings">
       <GradleProjectSettings>
-        <option name="testRunner" value="GRADLE" />
         <option name="distributionType" value="DEFAULT_WRAPPED" />
         <option name="externalProjectPath" value="$PROJECT_DIR$" />
-        <option name="gradleJvm" value="#JAVA_HOME" />
-        <option name="modules">
-          <set>
-            <option value="$PROJECT_DIR$" />
-            <option value="$PROJECT_DIR$/app" />
-          </set>
-        </option>
+        <option name="resolveModulePerSourceSet" value="false" />
+        <option name="testRunner" value="PLATFORM" />
       </GradleProjectSettings>
     </option>
   </component>
diff --git a/Notes-master/.idea/jarRepositories.xml b/Notes-master/.idea/jarRepositories.xml
deleted file mode 100644
index e34606c..0000000
--- a/Notes-master/.idea/jarRepositories.xml
+++ /dev/null
@@ -1,30 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="RemoteRepositoriesConfiguration">
-    <remote-repository>
-      <option name="id" value="central" />
-      <option name="name" value="Maven Central repository" />
-      <option name="url" value="https://repo1.maven.org/maven2" />
-    </remote-repository>
-    <remote-repository>
-      <option name="id" value="jboss.community" />
-      <option name="name" value="JBoss Community repository" />
-      <option name="url" value="https://repository.jboss.org/nexus/content/repositories/public/" />
-    </remote-repository>
-    <remote-repository>
-      <option name="id" value="BintrayJCenter" />
-      <option name="name" value="BintrayJCenter" />
-      <option name="url" value="https://jcenter.bintray.com/" />
-    </remote-repository>
-    <remote-repository>
-      <option name="id" value="Google" />
-      <option name="name" value="Google" />
-      <option name="url" value="https://dl.google.com/dl/android/maven2/" />
-    </remote-repository>
-    <remote-repository>
-      <option name="id" value="MavenRepo" />
-      <option name="name" value="MavenRepo" />
-      <option name="url" value="https://repo.maven.apache.org/maven2/" />
-    </remote-repository>
-  </component>
-</project>
\ No newline at end of file
diff --git a/Notes-master/.idea/misc.xml b/Notes-master/.idea/misc.xml
index 6ba6396..4872587 100644
--- a/Notes-master/.idea/misc.xml
+++ b/Notes-master/.idea/misc.xml
@@ -1,7 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="ExternalStorageConfigurationManager" enabled="true" />
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_17_PREVIEW" project-jdk-name="17" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">
diff --git a/Notes-master/.idea/modules.xml b/Notes-master/.idea/modules.xml
new file mode 100644
index 0000000..7800270
--- /dev/null
+++ b/Notes-master/.idea/modules.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/Notes-master.iml" filepath="$PROJECT_DIR$/Notes-master.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/Notes-master/.idea/runConfigurations.xml b/Notes-master/.idea/runConfigurations.xml
new file mode 100644
index 0000000..7f68460
--- /dev/null
+++ b/Notes-master/.idea/runConfigurations.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="RunConfigurationProducerService">
+    <option name="ignoredProducers">
+      <set>
+        <option value="org.jetbrains.plugins.gradle.execution.test.runner.AllInPackageGradleConfigurationProducer" />
+        <option value="org.jetbrains.plugins.gradle.execution.test.runner.TestClassGradleConfigurationProducer" />
+        <option value="org.jetbrains.plugins.gradle.execution.test.runner.TestMethodGradleConfigurationProducer" />
+      </set>
+    </option>
+  </component>
+</project>
\ No newline at end of file
diff --git a/Notes-master/.idea/vcs.xml b/Notes-master/.idea/vcs.xml
new file mode 100644
index 0000000..6c0b863
--- /dev/null
+++ b/Notes-master/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$/.." vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/Notes-master/.idea/workspace.xml b/Notes-master/.idea/workspace.xml
new file mode 100644
index 0000000..3d92a3f
--- /dev/null
+++ b/Notes-master/.idea/workspace.xml
@@ -0,0 +1,409 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ChangeListManager">
+    <list default="true" id="fe46818d-deee-42b4-bc31-5219e81f5f6c" name="Default Changelist" comment="">
+      <change afterPath="$PROJECT_DIR$/.idea/vcs.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/.gradle/7.5/checksums/checksums.lock" beforeDir="false" afterPath="$PROJECT_DIR$/.gradle/7.5/checksums/checksums.lock" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/.gradle/7.5/checksums/md5-checksums.bin" beforeDir="false" afterPath="$PROJECT_DIR$/.gradle/7.5/checksums/md5-checksums.bin" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/.gradle/7.5/checksums/sha1-checksums.bin" beforeDir="false" afterPath="$PROJECT_DIR$/.gradle/7.5/checksums/sha1-checksums.bin" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/.idea/.gitignore" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/.idea/compiler.xml" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/.idea/gradle.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/gradle.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/.idea/jarRepositories.xml" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/.idea/misc.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/misc.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/app/src/main/java/net/micode/notes/model/Note.java" beforeDir="false" afterPath="$PROJECT_DIR$/app/src/main/java/net/micode/notes/model/Note.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/local.properties" beforeDir="false" afterPath="$PROJECT_DIR$/local.properties" afterDir="false" />
+    </list>
+    <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
+    <option name="SHOW_DIALOG" value="false" />
+    <option name="HIGHLIGHT_CONFLICTS" value="true" />
+    <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
+    <option name="LAST_RESOLUTION" value="IGNORE" />
+  </component>
+  <component name="DefaultGradleProjectSettings">
+    <option name="testRunner" value="GRADLE" />
+    <option name="delegatedBuild" value="true" />
+  </component>
+  <component name="ExternalProjectsManager">
+    <system id="GRADLE">
+      <state>
+        <projects_view />
+      </state>
+    </system>
+  </component>
+  <component name="FileEditorManager">
+    <leaf>
+      <file pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/app/src/main/java/net/micode/notes/data/Contact.java">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="-375">
+              <folding>
+                <element signature="e#0#2637#0" expanded="true" />
+              </folding>
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/app/src/main/java/net/micode/notes/data/Notes.java">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="1075">
+              <caret line="43" selection-start-line="43" selection-end-line="43" />
+              <folding>
+                <element signature="e#0#8921#0" expanded="true" />
+              </folding>
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file pinned="false" current-in-tab="true">
+        <entry file="file://$PROJECT_DIR$/app/src/main/java/net/micode/notes/model/Note.java">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="450">
+              <caret line="81" column="5" selection-start-line="81" selection-start-column="5" selection-end-line="81" selection-end-column="5" />
+              <folding>
+                <element signature="e#0#9433#0" expanded="true" />
+              </folding>
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/app/src/main/java/net/micode/notes/gtask/data/MetaData.java">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="-525">
+              <folding>
+                <element signature="e#0#2518#0" expanded="true" />
+              </folding>
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/app/src/main/java/net/micode/notes/gtask/data/Node.java">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="-1183">
+              <caret line="18" column="7" lean-forward="true" selection-start-line="18" selection-start-column="7" selection-end-line="18" selection-end-column="7" />
+              <folding>
+                <element signature="e#0#2496#0" expanded="true" />
+                <element signature="imports" expanded="true" />
+              </folding>
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/app/src/main/java/net/micode/notes/gtask/data/SqlData.java">
+          <provider selected="true" editor-type-id="text-editor">
+            <state>
+              <folding>
+                <element signature="e#0#6896#0" expanded="true" />
+              </folding>
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/app/src/main/java/net/micode/notes/data/NotesDatabaseHelper.java">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="-300">
+              <folding>
+                <element signature="e#0#14666#0" expanded="true" />
+              </folding>
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/app/src/main/java/net/micode/notes/data/NotesProvider.java">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="-525">
+              <folding>
+                <element signature="e#0#12291#0" expanded="true" />
+              </folding>
+            </state>
+          </provider>
+        </entry>
+      </file>
+    </leaf>
+  </component>
+  <component name="Git.Settings">
+    <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$/.." />
+  </component>
+  <component name="IdeDocumentHistory">
+    <option name="CHANGED_PATHS">
+      <list>
+        <option value="$PROJECT_DIR$/app/src/main/java/net/micode/notes/model/Note.java" />
+      </list>
+    </option>
+  </component>
+  <component name="ProjectFrameBounds" extendedState="6">
+    <option name="x" value="-9" />
+    <option name="y" value="-9" />
+    <option name="width" value="1938" />
+    <option name="height" value="1038" />
+  </component>
+  <component name="ProjectLevelVcsManager" settingsEditedManually="true" />
+  <component name="ProjectView">
+    <navigator proportions="" version="1">
+      <foldersAlwaysOnTop value="true" />
+    </navigator>
+    <panes>
+      <pane id="AndroidView">
+        <subPane>
+          <expand>
+            <path>
+              <item name="Notes-master" type="1abcf292:AndroidViewProjectNode" />
+              <item name="Notes-master" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="Notes-master" type="1abcf292:AndroidViewProjectNode" />
+              <item name="Notes-master" type="462c0819:PsiDirectoryNode" />
+              <item name=".gradle" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="Notes-master" type="1abcf292:AndroidViewProjectNode" />
+              <item name="Notes-master" type="462c0819:PsiDirectoryNode" />
+              <item name="app" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="Notes-master" type="1abcf292:AndroidViewProjectNode" />
+              <item name="Notes-master" type="462c0819:PsiDirectoryNode" />
+              <item name="app" type="462c0819:PsiDirectoryNode" />
+              <item name="src" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="Notes-master" type="1abcf292:AndroidViewProjectNode" />
+              <item name="Notes-master" type="462c0819:PsiDirectoryNode" />
+              <item name="app" type="462c0819:PsiDirectoryNode" />
+              <item name="src" type="462c0819:PsiDirectoryNode" />
+              <item name="main" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="Notes-master" type="1abcf292:AndroidViewProjectNode" />
+              <item name="Notes-master" type="462c0819:PsiDirectoryNode" />
+              <item name="app" type="462c0819:PsiDirectoryNode" />
+              <item name="src" type="462c0819:PsiDirectoryNode" />
+              <item name="main" type="462c0819:PsiDirectoryNode" />
+              <item name="java" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="Notes-master" type="1abcf292:AndroidViewProjectNode" />
+              <item name="Notes-master" type="462c0819:PsiDirectoryNode" />
+              <item name="app" type="462c0819:PsiDirectoryNode" />
+              <item name="src" type="462c0819:PsiDirectoryNode" />
+              <item name="main" type="462c0819:PsiDirectoryNode" />
+              <item name="java" type="462c0819:PsiDirectoryNode" />
+              <item name="net" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="Notes-master" type="1abcf292:AndroidViewProjectNode" />
+              <item name="Notes-master" type="462c0819:PsiDirectoryNode" />
+              <item name="app" type="462c0819:PsiDirectoryNode" />
+              <item name="src" type="462c0819:PsiDirectoryNode" />
+              <item name="main" type="462c0819:PsiDirectoryNode" />
+              <item name="java" type="462c0819:PsiDirectoryNode" />
+              <item name="net" type="462c0819:PsiDirectoryNode" />
+              <item name="micode" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="Notes-master" type="1abcf292:AndroidViewProjectNode" />
+              <item name="Notes-master" type="462c0819:PsiDirectoryNode" />
+              <item name="app" type="462c0819:PsiDirectoryNode" />
+              <item name="src" type="462c0819:PsiDirectoryNode" />
+              <item name="main" type="462c0819:PsiDirectoryNode" />
+              <item name="java" type="462c0819:PsiDirectoryNode" />
+              <item name="net" type="462c0819:PsiDirectoryNode" />
+              <item name="micode" type="462c0819:PsiDirectoryNode" />
+              <item name="notes" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="Notes-master" type="1abcf292:AndroidViewProjectNode" />
+              <item name="Notes-master" type="462c0819:PsiDirectoryNode" />
+              <item name="app" type="462c0819:PsiDirectoryNode" />
+              <item name="src" type="462c0819:PsiDirectoryNode" />
+              <item name="main" type="462c0819:PsiDirectoryNode" />
+              <item name="java" type="462c0819:PsiDirectoryNode" />
+              <item name="net" type="462c0819:PsiDirectoryNode" />
+              <item name="micode" type="462c0819:PsiDirectoryNode" />
+              <item name="notes" type="462c0819:PsiDirectoryNode" />
+              <item name="data" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="Notes-master" type="1abcf292:AndroidViewProjectNode" />
+              <item name="Notes-master" type="462c0819:PsiDirectoryNode" />
+              <item name="app" type="462c0819:PsiDirectoryNode" />
+              <item name="src" type="462c0819:PsiDirectoryNode" />
+              <item name="main" type="462c0819:PsiDirectoryNode" />
+              <item name="java" type="462c0819:PsiDirectoryNode" />
+              <item name="net" type="462c0819:PsiDirectoryNode" />
+              <item name="micode" type="462c0819:PsiDirectoryNode" />
+              <item name="notes" type="462c0819:PsiDirectoryNode" />
+              <item name="model" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="Notes-master" type="1abcf292:AndroidViewProjectNode" />
+              <item name="Notes-master" type="462c0819:PsiDirectoryNode" />
+              <item name="app" type="462c0819:PsiDirectoryNode" />
+              <item name="src" type="462c0819:PsiDirectoryNode" />
+              <item name="main" type="462c0819:PsiDirectoryNode" />
+              <item name="res" type="462c0819:PsiDirectoryNode" />
+            </path>
+          </expand>
+          <select />
+        </subPane>
+      </pane>
+      <pane id="Scope" />
+      <pane id="PackagesPane" />
+      <pane id="ProjectPane" />
+    </panes>
+  </component>
+  <component name="PropertiesComponent">
+    <property name="SHARE_PROJECT_CONFIGURATION_FILES" value="true" />
+    <property name="android.sdk.path" value="D:/Android_Studio_SDK/Android_sdk" />
+    <property name="settings.editor.selected.configurable" value="AndroidSdkUpdater" />
+  </component>
+  <component name="RunDashboard">
+    <option name="ruleStates">
+      <list>
+        <RuleState>
+          <option name="name" value="ConfigurationTypeDashboardGroupingRule" />
+        </RuleState>
+        <RuleState>
+          <option name="name" value="StatusDashboardGroupingRule" />
+        </RuleState>
+      </list>
+    </option>
+  </component>
+  <component name="SvnConfiguration">
+    <configuration />
+  </component>
+  <component name="TaskManager">
+    <task active="true" id="Default" summary="Default task">
+      <changelist id="fe46818d-deee-42b4-bc31-5219e81f5f6c" name="Default Changelist" comment="" />
+      <created>1683207871431</created>
+      <option name="number" value="Default" />
+      <option name="presentableId" value="Default" />
+      <updated>1683207871431</updated>
+    </task>
+    <servers />
+  </component>
+  <component name="ToolWindowManager">
+    <frame x="-7" y="-7" width="1550" height="830" extended-state="6" />
+    <editor active="true" />
+    <layout>
+      <window_info active="true" content_ui="combo" id="Project" visible="true" weight="0.41210938" />
+      <window_info id="Structure" side_tool="true" />
+      <window_info id="Build Variants" side_tool="true" />
+      <window_info id="Image Layers" />
+      <window_info id="Designer" />
+      <window_info id="Resources Explorer" />
+      <window_info id="Capture Tool" />
+      <window_info id="Favorites" side_tool="true" />
+      <window_info id="Captures" order="0" weight="0.25" />
+      <window_info anchor="bottom" id="Version Control" />
+      <window_info anchor="bottom" id="TODO" />
+      <window_info anchor="bottom" id="Terminal" />
+      <window_info anchor="bottom" id="Event Log" side_tool="true" />
+      <window_info anchor="bottom" id="Build" weight="0.42916667" />
+      <window_info anchor="right" id="Capture Analysis" />
+      <window_info anchor="right" id="Gradle" />
+      <window_info anchor="right" id="Theme Preview" />
+      <window_info anchor="right" id="Palette&#9;" />
+    </layout>
+  </component>
+  <component name="editorHistoryManager">
+    <entry file="file://$PROJECT_DIR$/app/src/main/java/net/micode/notes/data/Contact.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="-375">
+          <folding>
+            <element signature="e#0#2637#0" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/app/src/main/java/net/micode/notes/gtask/data/MetaData.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="-525">
+          <folding>
+            <element signature="e#0#2518#0" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/app/src/main/java/net/micode/notes/gtask/data/SqlData.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state>
+          <folding>
+            <element signature="e#0#6896#0" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/app/src/main/java/net/micode/notes/data/NotesDatabaseHelper.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="-300">
+          <folding>
+            <element signature="e#0#14666#0" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/app/src/main/java/net/micode/notes/data/NotesProvider.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="-525">
+          <folding>
+            <element signature="e#0#12291#0" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/app/src/main/java/net/micode/notes/gtask/data/Node.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="-1183">
+          <caret line="18" column="7" lean-forward="true" selection-start-line="18" selection-start-column="7" selection-end-line="18" selection-end-column="7" />
+          <folding>
+            <element signature="e#0#2496#0" expanded="true" />
+            <element signature="imports" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/app/src/main/java/net/micode/notes/data/Notes.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="1075">
+          <caret line="43" selection-start-line="43" selection-end-line="43" />
+          <folding>
+            <element signature="e#0#8921#0" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/app/src/main/java/net/micode/notes/model/Note.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="450">
+          <caret line="81" column="5" selection-start-line="81" selection-start-column="5" selection-end-line="81" selection-end-column="5" />
+          <folding>
+            <element signature="e#0#9433#0" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+  </component>
+  <component name="masterDetails">
+    <states>
+      <state key="ProjectJDKs.UI">
+        <settings>
+          <last-edited>1.8</last-edited>
+          <splitter-proportions>
+            <option name="proportions">
+              <list>
+                <option value="0.2" />
+              </list>
+            </option>
+          </splitter-proportions>
+        </settings>
+      </state>
+    </states>
+  </component>
+</project>
\ No newline at end of file
diff --git a/Notes-master/Notes-master.iml b/Notes-master/Notes-master.iml
new file mode 100644
index 0000000..d55e333
--- /dev/null
+++ b/Notes-master/Notes-master.iml
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module external.linked.project.id=":" external.linked.project.path="D:\MI1\notes\Notes-master" external.root.project.path="$MODULE_DIR$" external.system.id="GRADLE" type="JAVA_MODULE" version="4">
+  <component name="FacetManager">
+    <facet type="android-gradle" name="Android-Gradle">
+      <configuration>
+        <option name="GRADLE_PROJECT_PATH" value=":" />
+        <option name="LAST_SUCCESSFUL_SYNC_AGP_VERSION" />
+        <option name="LAST_KNOWN_AGP_VERSION" />
+      </configuration>
+    </facet>
+  </component>
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="jdk" jdkName="1.8" jdkType="JavaSDK" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/Notes-master/app/src/main/java/net/micode/notes/model/Note.java b/Notes-master/app/src/main/java/net/micode/notes/model/Note.java
index 6706cf6..ffc02f2 100644
--- a/Notes-master/app/src/main/java/net/micode/notes/model/Note.java
+++ b/Notes-master/app/src/main/java/net/micode/notes/model/Note.java
@@ -42,32 +42,43 @@ public class Note {
      * Create a new note id for adding a new note to databases
      */
     public static synchronized long getNewNoteId(Context context, long folderId) {
-        // Create a new note in the database
+        // 创建同步方法，以保证数据库插入操作的唯一性
+
+        // 创建新笔记所需的ContentValues对象
         ContentValues values = new ContentValues();
         long createdTime = System.currentTimeMillis();
+        // 插入当前时间作为笔记创建时间和最近修改时间
         values.put(NoteColumns.CREATED_DATE, createdTime);
         values.put(NoteColumns.MODIFIED_DATE, createdTime);
+        // 设置笔记类型为普通笔记
         values.put(NoteColumns.TYPE, Notes.TYPE_NOTE);
+        // 设置本地是否修改
         values.put(NoteColumns.LOCAL_MODIFIED, 1);
+        // 设置笔记所属的文件夹ID
         values.put(NoteColumns.PARENT_ID, folderId);
+        // 将ContentValues插入到数据库表Notes.CONTENT_NOTE_URI中，并返回新笔记的Uri对象
         Uri uri = context.getContentResolver().insert(Notes.CONTENT_NOTE_URI, values);
 
         long noteId = 0;
         try {
+            // 从Uri中获取新笔记的ID，并转换成long类型
             noteId = Long.valueOf(uri.getPathSegments().get(1));
         } catch (NumberFormatException e) {
-            Log.e(TAG, "Get note id error :" + e.toString());
+            // 如果出现异常，记录错误信息，并将noteId设置为0
+            Log.e(TAG, "Get note id error: " + e.toString());
             noteId = 0;
         }
         if (noteId == -1) {
-            throw new IllegalStateException("Wrong note id:" + noteId);
+            // 如果得到的noteId为-1，则抛出异常
+            throw new IllegalStateException("Wrong note id: " + noteId);
         }
+        // 返回新笔记的ID
         return noteId;
     }
 
-    public Note() {
-        mNoteDiffValues = new ContentValues();
-        mNoteData = new NoteData();
+    public Note() {                  //Note类的构造函数
+        mNoteDiffValues = new ContentValues();      //创建mNoteDiffValues来存储键值对的对象
+        mNoteData = new NoteData();          //用于存储笔记的实际数据，并提供对笔记的读写方法
     }
 
     public void setNoteValue(String key, String value) {
diff --git a/Notes-master/local.properties b/Notes-master/local.properties
index ac57ce7..bd319f8 100644
--- a/Notes-master/local.properties
+++ b/Notes-master/local.properties
@@ -2,6 +2,7 @@
 # as it contains information specific to your local configuration.
 #
 # Location of the SDK. This is only used by Gradle.
-#
-#Wed Apr 12 08:35:52 CST 2023
-sdk.dir=C\:\\Users\\liuhuan\\AppData\\Local\\Android\\Sdk
+# For customization when using a Version Control System, please read the
+# header note.
+#Thu May 04 21:44:31 CST 2023
+sdk.dir=D\:\\Android_Studio_SDK\\Android_sdk