diff --git a/src/.idea/workspace.xml b/src/.idea/workspace.xml
index 92fe4d7..1213ecc 100644
--- a/src/.idea/workspace.xml
+++ b/src/.idea/workspace.xml
@@ -6,10 +6,7 @@
     </shared>
   </component>
   <component name="ChangeListManager">
-    <list default="true" id="c8515555-ebbc-49d5-889b-0c59bd6c3b6d" name="默认更改列表" comment="">
-      <change beforePath="$PROJECT_DIR$/.idea/sonarlint/issuestore/index.pb" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/sonarlint/issuestore/index.pb" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/app/build/intermediates/incremental/packageDebug/tmp/debug/dex-renamer-state.txt" beforeDir="false" afterPath="$PROJECT_DIR$/app/build/intermediates/incremental/packageDebug/tmp/debug/dex-renamer-state.txt" afterDir="false" />
-    </list>
+    <list default="true" id="c8515555-ebbc-49d5-889b-0c59bd6c3b6d" name="默认更改列表" comment="" />
     <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
@@ -42,11 +39,11 @@
   </component>
   <component name="FileEditorManager">
     <leaf SIDE_TABS_SIZE_LIMIT_KEY="300">
-      <file pinned="false" current-in-tab="true">
+      <file pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/app/src/main/AndroidManifest.xml">
           <provider selected="true" editor-type-id="text-editor">
             <state relative-caret-position="259">
-              <caret line="82" column="42" lean-forward="true" selection-start-line="82" selection-start-column="42" selection-end-line="82" selection-end-column="42" />
+              <caret line="82" column="42" selection-start-line="82" selection-start-column="42" selection-end-line="82" selection-end-column="42" />
               <folding>
                 <element signature="e#4352#4942#0" />
                 <element signature="e#4952#5156#0" />
@@ -61,10 +58,73 @@
           <provider editor-type-id="android-manifest" />
         </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="2949">
+              <caret line="294" column="26" selection-start-line="294" selection-start-column="26" selection-end-line="294" selection-end-column="26" />
+            </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="-4364">
+              <caret line="37" column="3" lean-forward="true" selection-start-line="37" selection-start-column="3" selection-end-line="37" selection-end-column="3" />
+            </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="-528">
+              <caret line="27" column="13" selection-start-line="27" selection-start-column="13" selection-end-line="27" selection-end-column="13" />
+            </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="-1530">
+              <caret line="296" column="15" selection-start-line="296" selection-start-column="15" selection-end-line="296" selection-end-column="15" />
+            </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="236">
+              <caret line="160" column="29" lean-forward="true" selection-start-line="160" selection-start-column="29" selection-end-line="160" selection-end-column="29" />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/app/src/main/java/net/micode/notes/ui/NotesListActivity.java">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="261">
+              <caret line="314" column="9" lean-forward="true" selection-start-line="314" selection-start-column="9" selection-end-line="314" selection-end-column="9" />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/app/src/main/java/net/micode/notes/model/WorkingNote.java">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="-188">
+              <caret line="37" column="14" lean-forward="true" selection-start-line="37" selection-start-column="14" selection-end-line="37" selection-end-column="14" />
+            </state>
+          </provider>
+        </entry>
+      </file>
       <file pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/app/src/main/res/values/styles.xml">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="1064">
+            <state relative-caret-position="1200">
               <caret line="60" column="17" selection-start-line="60" selection-start-column="17" selection-end-line="60" selection-end-column="17" />
             </state>
           </provider>
@@ -142,6 +202,28 @@
       <foldersAlwaysOnTop value="true" />
     </navigator>
     <panes>
+      <pane id="PackagesPane">
+        <subPane>
+          <expand>
+            <path>
+              <item name="src" type="58d84e3e:PackageViewProjectNode" />
+              <item name="app" type="616d4139:PackageViewModuleNode" />
+            </path>
+          </expand>
+          <select />
+        </subPane>
+      </pane>
+      <pane id="AndroidView">
+        <subPane>
+          <expand>
+            <path>
+              <item name="src" type="1abcf292:AndroidViewProjectNode" />
+              <item name="Gradle Scripts" type="ae0cef3a:AndroidBuildScriptsGroupNode" />
+            </path>
+          </expand>
+          <select />
+        </subPane>
+      </pane>
       <pane id="ProjectPane">
         <subPane>
           <expand>
@@ -184,6 +266,58 @@
               <item name="java" type="462c0819:PsiDirectoryNode" />
               <item name="notes" type="462c0819:PsiDirectoryNode" />
             </path>
+            <path>
+              <item name="src" type="b2602c69:ProjectViewProjectNode" />
+              <item name="src" type="8a07ba80:GradleTreeStructureProvider$GradleModuleDirectoryNode" />
+              <item name="app" type="8a07ba80:GradleTreeStructureProvider$GradleModuleDirectoryNode" />
+              <item name="src" type="462c0819:PsiDirectoryNode" />
+              <item name="main" type="462c0819:PsiDirectoryNode" />
+              <item name="java" type="462c0819:PsiDirectoryNode" />
+              <item name="notes" type="462c0819:PsiDirectoryNode" />
+              <item name="data" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="src" type="b2602c69:ProjectViewProjectNode" />
+              <item name="src" type="8a07ba80:GradleTreeStructureProvider$GradleModuleDirectoryNode" />
+              <item name="app" type="8a07ba80:GradleTreeStructureProvider$GradleModuleDirectoryNode" />
+              <item name="src" type="462c0819:PsiDirectoryNode" />
+              <item name="main" type="462c0819:PsiDirectoryNode" />
+              <item name="java" type="462c0819:PsiDirectoryNode" />
+              <item name="notes" type="462c0819:PsiDirectoryNode" />
+              <item name="gtask" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="src" type="b2602c69:ProjectViewProjectNode" />
+              <item name="src" type="8a07ba80:GradleTreeStructureProvider$GradleModuleDirectoryNode" />
+              <item name="app" type="8a07ba80:GradleTreeStructureProvider$GradleModuleDirectoryNode" />
+              <item name="src" type="462c0819:PsiDirectoryNode" />
+              <item name="main" type="462c0819:PsiDirectoryNode" />
+              <item name="java" type="462c0819:PsiDirectoryNode" />
+              <item name="notes" type="462c0819:PsiDirectoryNode" />
+              <item name="gtask" type="462c0819:PsiDirectoryNode" />
+              <item name="data" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="src" type="b2602c69:ProjectViewProjectNode" />
+              <item name="src" type="8a07ba80:GradleTreeStructureProvider$GradleModuleDirectoryNode" />
+              <item name="app" type="8a07ba80:GradleTreeStructureProvider$GradleModuleDirectoryNode" />
+              <item name="src" type="462c0819:PsiDirectoryNode" />
+              <item name="main" type="462c0819:PsiDirectoryNode" />
+              <item name="java" type="462c0819:PsiDirectoryNode" />
+              <item name="notes" type="462c0819:PsiDirectoryNode" />
+              <item name="gtask" type="462c0819:PsiDirectoryNode" />
+              <item name="exception" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="src" type="b2602c69:ProjectViewProjectNode" />
+              <item name="src" type="8a07ba80:GradleTreeStructureProvider$GradleModuleDirectoryNode" />
+              <item name="app" type="8a07ba80:GradleTreeStructureProvider$GradleModuleDirectoryNode" />
+              <item name="src" type="462c0819:PsiDirectoryNode" />
+              <item name="main" type="462c0819:PsiDirectoryNode" />
+              <item name="java" type="462c0819:PsiDirectoryNode" />
+              <item name="notes" type="462c0819:PsiDirectoryNode" />
+              <item name="model" type="462c0819:PsiDirectoryNode" />
+            </path>
             <path>
               <item name="src" type="b2602c69:ProjectViewProjectNode" />
               <item name="src" type="8a07ba80:GradleTreeStructureProvider$GradleModuleDirectoryNode" />
@@ -261,28 +395,6 @@
           <select />
         </subPane>
       </pane>
-      <pane id="PackagesPane">
-        <subPane>
-          <expand>
-            <path>
-              <item name="src" type="58d84e3e:PackageViewProjectNode" />
-              <item name="app" type="616d4139:PackageViewModuleNode" />
-            </path>
-          </expand>
-          <select />
-        </subPane>
-      </pane>
-      <pane id="AndroidView">
-        <subPane>
-          <expand>
-            <path>
-              <item name="src" type="1abcf292:AndroidViewProjectNode" />
-              <item name="Gradle Scripts" type="ae0cef3a:AndroidBuildScriptsGroupNode" />
-            </path>
-          </expand>
-          <select />
-        </subPane>
-      </pane>
       <pane id="Scope">
         <subPane subId="Scope '产品'; set:产品; class com.intellij.psi.search.scope.ProjectProductionScope">
           <expand>
@@ -648,7 +760,14 @@
       <option name="project" value="LOCAL" />
       <updated>1570157220802</updated>
     </task>
-    <option name="localTasksCounter" value="18" />
+    <task id="LOCAL-00018" summary="noteslistactivity">
+      <created>1570349930109</created>
+      <option name="number" value="00018" />
+      <option name="presentableId" value="LOCAL-00018" />
+      <option name="project" value="LOCAL" />
+      <updated>1570349930109</updated>
+    </task>
+    <option name="localTasksCounter" value="19" />
     <servers />
   </component>
   <component name="TodoView">
@@ -665,7 +784,7 @@
     <editor active="true" />
     <layout>
       <window_info id="Captures" order="0" sideWeight="0.5019305" side_tool="true" weight="0.16957104" />
-      <window_info active="true" content_ui="combo" id="Project" order="1" sideWeight="0.4903475" visible="true" weight="0.16471355" />
+      <window_info content_ui="combo" id="Project" order="1" sideWeight="0.4903475" visible="true" weight="0.16471355" />
       <window_info id="设计器" order="2" />
       <window_info id="Resources Explorer" order="3" weight="0.3297587" />
       <window_info id="Structure" order="4" sideWeight="0.5096525" side_tool="true" weight="0.16957104" />
@@ -677,13 +796,13 @@
       <window_info anchor="bottom" id="SonarLint" order="1" weight="0.3297587" />
       <window_info anchor="bottom" id="Logcat" order="2" />
       <window_info anchor="bottom" id="TODO" order="3" weight="0.3297587" />
-      <window_info anchor="bottom" id="Android Profiler" order="4" />
+      <window_info anchor="bottom" id="Android Profiler" order="4" show_stripe_button="false" />
       <window_info anchor="bottom" id="Find" order="5" weight="0.3297587" />
       <window_info anchor="bottom" id="Debug" order="6" />
       <window_info anchor="bottom" id="Terminal" order="7" weight="0.3297587" />
       <window_info anchor="bottom" id="Event Log" order="8" side_tool="true" weight="0.3294271" />
       <window_info anchor="bottom" id="Version Control" order="9" weight="0.3297587" />
-      <window_info anchor="bottom" id="Build" order="10" visible="true" weight="0.3046875" />
+      <window_info active="true" anchor="bottom" id="Build" order="10" visible="true" weight="0.3046875" />
       <window_info anchor="bottom" id="Messages" order="11" weight="0.3297587" />
       <window_info anchor="right" id="Gradle" order="0" weight="0.3297587" />
       <window_info anchor="right" id="Device File Explorer" order="1" side_tool="true" weight="0.3297587" />
@@ -734,16 +853,6 @@
     <option name="LAST_COMMIT_MESSAGE" value="noteslistactivity" />
   </component>
   <component name="editorHistoryManager">
-    <entry file="file://$PROJECT_DIR$/src/net/micode/notes/data/Contact.java">
-      <provider selected="true" editor-type-id="text-editor">
-        <state>
-          <folding>
-            <element signature="e#0#2637#0" expanded="true" />
-            <element signature="imports" expanded="true" />
-          </folding>
-        </state>
-      </provider>
-    </entry>
     <entry file="file://$PROJECT_DIR$/src/net/micode/notes/data/Notes.java">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="-2664">
@@ -845,13 +954,6 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/app/src/main/java/net/micode/notes/model/Note.java">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="340">
-          <caret line="47" column="46" lean-forward="true" selection-start-line="47" selection-start-column="46" selection-end-line="47" selection-end-column="46" />
-        </state>
-      </provider>
-    </entry>
     <entry file="file://$PROJECT_DIR$/app/src/main/java/net/micode/notes/ui/DropdownMenu.java">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="120">
@@ -859,38 +961,6 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/app/src/main/java/net/micode/notes/data/Notes.java">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="280">
-          <caret line="294" column="26" selection-start-line="294" selection-start-column="26" selection-end-line="294" selection-end-column="26" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/app/src/main/java/net/micode/notes/data/NotesDatabaseHelper.java">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="310">
-          <caret line="411" column="1" lean-forward="true" selection-start-line="411" selection-start-column="1" selection-end-line="411" selection-end-column="1" />
-          <folding>
-            <element signature="e#9079#9080#0" expanded="true" />
-            <element signature="e#9136#9137#0" expanded="true" />
-          </folding>
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/app/src/main/java/net/micode/notes/data/NotesProvider.java">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="160">
-          <caret line="37" column="3" lean-forward="true" selection-start-line="37" selection-start-column="3" selection-end-line="37" selection-end-column="3" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/app/src/main/java/net/micode/notes/model/WorkingNote.java">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="140">
-          <caret line="34" column="13" selection-start-line="34" selection-start-column="13" selection-end-line="34" selection-end-column="13" />
-        </state>
-      </provider>
-    </entry>
     <entry file="file://D:/Android_SDK/SDK/sources/android-28/android/content/Intent.java">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="239">
@@ -1022,24 +1092,10 @@
     <entry file="file://$PROJECT_DIR$/app/src/main/res/drawable-hdpi/icon_app.png">
       <provider selected="true" editor-type-id="images" />
     </entry>
-    <entry file="file://$PROJECT_DIR$/app/src/main/java/net/micode/notes/ui/NotesListActivity.java">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="168">
-          <caret line="85" column="13" selection-start-line="85" selection-start-column="13" selection-end-line="85" selection-end-column="13" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/app/src/main/res/values/styles.xml">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="1064">
-          <caret line="60" column="17" selection-start-line="60" selection-start-column="17" selection-end-line="60" selection-end-column="17" />
-        </state>
-      </provider>
-    </entry>
     <entry file="file://$PROJECT_DIR$/app/src/main/AndroidManifest.xml">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="259">
-          <caret line="82" column="42" lean-forward="true" selection-start-line="82" selection-start-column="42" selection-end-line="82" selection-end-column="42" />
+          <caret line="82" column="42" selection-start-line="82" selection-start-column="42" selection-end-line="82" selection-end-column="42" />
           <folding>
             <element signature="e#4352#4942#0" />
             <element signature="e#4952#5156#0" />
@@ -1053,6 +1109,62 @@
       </provider>
       <provider editor-type-id="android-manifest" />
     </entry>
+    <entry file="file://$PROJECT_DIR$/app/src/main/res/values/styles.xml">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="1200">
+          <caret line="60" column="17" selection-start-line="60" selection-start-column="17" selection-end-line="60" selection-end-column="17" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/app/src/main/java/net/micode/notes/model/WorkingNote.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="-188">
+          <caret line="37" column="14" lean-forward="true" selection-start-line="37" selection-start-column="14" selection-end-line="37" selection-end-column="14" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/app/src/main/java/net/micode/notes/data/Notes.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="2949">
+          <caret line="294" column="26" selection-start-line="294" selection-start-column="26" selection-end-line="294" selection-end-column="26" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/app/src/main/java/net/micode/notes/ui/NotesListActivity.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="261">
+          <caret line="314" column="9" lean-forward="true" selection-start-line="314" selection-start-column="9" selection-end-line="314" selection-end-column="9" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/app/src/main/java/net/micode/notes/data/NotesDatabaseHelper.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="-1530">
+          <caret line="296" column="15" selection-start-line="296" selection-start-column="15" selection-end-line="296" selection-end-column="15" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/app/src/main/java/net/micode/notes/data/NotesProvider.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="-4364">
+          <caret line="37" column="3" lean-forward="true" selection-start-line="37" selection-start-column="3" selection-end-line="37" selection-end-column="3" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/app/src/main/java/net/micode/notes/gtask/data/MetaData.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="-528">
+          <caret line="27" column="13" selection-start-line="27" selection-start-column="13" selection-end-line="27" selection-end-column="13" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/app/src/main/java/net/micode/notes/model/Note.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="236">
+          <caret line="160" column="29" lean-forward="true" selection-start-line="160" selection-start-column="29" selection-end-line="160" selection-end-column="29" />
+        </state>
+      </provider>
+    </entry>
   </component>
   <component name="masterDetails">
     <states>