diff --git a/.gitignore b/.gitignore
index 1fcb1529f8e5e43037c4710ce09da0becd28823a..dcae76729c39e41fd45056005ee78d5a7a998d81 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,28 @@
-out
+out/
+
+.idea/vcs.xml
+.idea/workspace.xml
+.idea/inspectionProfiles/
+
+# Compiled class file
+*.class
+
+# Log file
+*.log
+
+# BlueJ files
+*.ctxt
+
+# Mobile Tools for Java (J2ME)
+.mtj.tmp/
+
+# Package Files #
+*.jar
+*.war
+*.ear
+*.zip
+*.tar.gz
+*.rar
+
+# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
+hs_err_pid*
diff --git a/.idea/artifacts/Lottery_jar.xml b/.idea/artifacts/Lottery_jar.xml
new file mode 100644
index 0000000000000000000000000000000000000000..909667c66e22aa95e88066ab4b5de60e2cfd20d2
--- /dev/null
+++ b/.idea/artifacts/Lottery_jar.xml
@@ -0,0 +1,13 @@
+<component name="ArtifactManager">
+  <artifact type="jar" name="Lottery:jar">
+    <output-path>$PROJECT_DIR$/out/artifacts/Lottery_jar</output-path>
+    <root id="archive" name="Lottery.jar">
+      <element id="module-output" name="Lottery" />
+      <element id="extracted-dir" path="$KOTLIN_BUNDLED$/lib/kotlin-stdlib.jar" path-in-jar="/" />
+      <element id="extracted-dir" path="$KOTLIN_BUNDLED$/lib/kotlin-reflect.jar" path-in-jar="/" />
+      <element id="extracted-dir" path="$KOTLIN_BUNDLED$/lib/kotlin-test.jar" path-in-jar="/" />
+      <element id="extracted-dir" path="$KOTLIN_BUNDLED$/lib/kotlin-stdlib-jdk7.jar" path-in-jar="/" />
+      <element id="extracted-dir" path="$KOTLIN_BUNDLED$/lib/kotlin-stdlib-jdk8.jar" path-in-jar="/" />
+    </root>
+  </artifact>
+</component>
\ No newline at end of file
diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 9452007c222f379afe10c88f4f73a5bcf81d2516..3b8506db38cb97941c59e65e138f9cfa4239db49 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -1,7 +1,17 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
+  <component name="ArtifactsWorkspaceSettings">
+    <artifacts-to-build>
+      <artifact name="Lottery:jar" />
+    </artifacts-to-build>
+  </component>
   <component name="ChangeListManager">
-    <list default="true" id="598efb3a-f3ab-41da-b56b-911a4a4ac03a" name="Default" comment="" />
+    <list default="true" id="598efb3a-f3ab-41da-b56b-911a4a4ac03a" name="Default" comment="">
+      <change afterPath="$PROJECT_DIR$/.idea/artifacts/Lottery_jar.xml" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/src/META-INF/MANIFEST.MF" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/.gitignore" beforeDir="false" afterPath="$PROJECT_DIR$/.gitignore" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
+    </list>
     <ignored path="$PROJECT_DIR$/out/" />
     <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
     <option name="TRACKING_ENABLED" value="true" />
@@ -33,7 +43,7 @@
       <file leaf-file-name="RandomSelector.kt" pinned="false" current-in-tab="true">
         <entry file="file://$PROJECT_DIR$/src/io/github/apollozhu/lottery/prize/utils/RandomSelector.kt">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="390">
+            <state relative-caret-position="358">
               <caret line="36" selection-start-line="36" selection-end-line="36" />
             </state>
           </provider>
@@ -60,6 +70,9 @@
       <find>&quot;GBK&quot;</find>
     </findStrings>
   </component>
+  <component name="Git.Settings">
+    <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" />
+  </component>
   <component name="IdeDocumentHistory">
     <option name="CHANGED_PATHS">
       <list>
@@ -75,11 +88,12 @@
     </option>
   </component>
   <component name="ProjectFrameBounds" extendedState="6">
-    <option name="x" value="-1893" />
-    <option name="y" value="33" />
-    <option name="width" value="1850" />
-    <option name="height" value="1032" />
+    <option name="x" value="325" />
+    <option name="y" value="23" />
+    <option name="width" value="1920" />
+    <option name="height" value="877" />
   </component>
+  <component name="ProjectLevelVcsManager" settingsEditedManually="true" />
   <component name="ProjectView">
     <navigator proportions="" version="1">
       <foldersAlwaysOnTop value="true" />
@@ -88,67 +102,6 @@
       <pane id="ProjectPane">
         <subPane>
           <expand>
-            <path>
-              <item name="Raffle" type="b2602c69:ProjectViewProjectNode" />
-              <item name="Raffle" type="462c0819:PsiDirectoryNode" />
-            </path>
-            <path>
-              <item name="Raffle" type="b2602c69:ProjectViewProjectNode" />
-              <item name="Raffle" type="462c0819:PsiDirectoryNode" />
-              <item name="src" type="462c0819:PsiDirectoryNode" />
-            </path>
-            <path>
-              <item name="Raffle" type="b2602c69:ProjectViewProjectNode" />
-              <item name="Raffle" type="462c0819:PsiDirectoryNode" />
-              <item name="src" type="462c0819:PsiDirectoryNode" />
-              <item name="apollozhu" type="462c0819:PsiDirectoryNode" />
-            </path>
-            <path>
-              <item name="Raffle" type="b2602c69:ProjectViewProjectNode" />
-              <item name="Raffle" type="462c0819:PsiDirectoryNode" />
-              <item name="src" type="462c0819:PsiDirectoryNode" />
-              <item name="apollozhu" type="462c0819:PsiDirectoryNode" />
-              <item name="prize" type="462c0819:PsiDirectoryNode" />
-            </path>
-            <path>
-              <item name="Raffle" type="b2602c69:ProjectViewProjectNode" />
-              <item name="Raffle" type="462c0819:PsiDirectoryNode" />
-              <item name="src" type="462c0819:PsiDirectoryNode" />
-              <item name="apollozhu" type="462c0819:PsiDirectoryNode" />
-              <item name="prize" type="462c0819:PsiDirectoryNode" />
-              <item name="lottery" type="462c0819:PsiDirectoryNode" />
-            </path>
-            <path>
-              <item name="Raffle" type="b2602c69:ProjectViewProjectNode" />
-              <item name="Raffle" type="462c0819:PsiDirectoryNode" />
-              <item name="src" type="462c0819:PsiDirectoryNode" />
-              <item name="apollozhu" type="462c0819:PsiDirectoryNode" />
-              <item name="prize" type="462c0819:PsiDirectoryNode" />
-              <item name="prize" type="462c0819:PsiDirectoryNode" />
-            </path>
-            <path>
-              <item name="Raffle" type="b2602c69:ProjectViewProjectNode" />
-              <item name="Raffle" type="462c0819:PsiDirectoryNode" />
-              <item name="src" type="462c0819:PsiDirectoryNode" />
-              <item name="apollozhu" type="462c0819:PsiDirectoryNode" />
-              <item name="prize" type="462c0819:PsiDirectoryNode" />
-              <item name="settings" type="462c0819:PsiDirectoryNode" />
-            </path>
-            <path>
-              <item name="Raffle" type="b2602c69:ProjectViewProjectNode" />
-              <item name="Raffle" type="462c0819:PsiDirectoryNode" />
-              <item name="src" type="462c0819:PsiDirectoryNode" />
-              <item name="apollozhu" type="462c0819:PsiDirectoryNode" />
-              <item name="prize" type="462c0819:PsiDirectoryNode" />
-              <item name="utils" type="462c0819:PsiDirectoryNode" />
-            </path>
-            <path>
-              <item name="Raffle" type="b2602c69:ProjectViewProjectNode" />
-              <item name="Raffle" type="462c0819:PsiDirectoryNode" />
-              <item name="src" type="462c0819:PsiDirectoryNode" />
-              <item name="apollozhu" type="462c0819:PsiDirectoryNode" />
-              <item name="swing" type="462c0819:PsiDirectoryNode" />
-            </path>
             <path>
               <item name="Raffle" type="b2602c69:ProjectViewProjectNode" />
               <item name="External Libraries" type="cb654da1:ExternalLibrariesNode" />
@@ -168,9 +121,9 @@
     </panes>
   </component>
   <component name="PropertiesComponent">
-    <property name="project.structure.last.edited" value="Modules" />
-    <property name="project.structure.proportion" value="0.0" />
-    <property name="project.structure.side.proportion" value="0.0" />
+    <property name="project.structure.last.edited" value="Artifacts" />
+    <property name="project.structure.proportion" value="0.15" />
+    <property name="project.structure.side.proportion" value="0.2" />
   </component>
   <component name="RecentsManager">
     <key name="CopyClassDialog.RECENTS_KEY">
@@ -264,8 +217,7 @@
     <servers />
   </component>
   <component name="ToolWindowManager">
-    <frame x="-1920" y="23" width="1920" height="1057" extended-state="6" />
-    <editor active="true" />
+    <frame x="0" y="23" width="1440" height="877" extended-state="6" />
     <layout>
       <window_info anchor="right" id="Palette" />
       <window_info anchor="bottom" id="TODO" order="6" />
@@ -276,17 +228,17 @@
       <window_info anchor="bottom" id="Event Log" side_tool="true" />
       <window_info anchor="right" id="Maven Projects" />
       <window_info anchor="bottom" id="Run" order="2" weight="0.26770833" />
-      <window_info anchor="bottom" id="Version Control" show_stripe_button="false" />
+      <window_info anchor="bottom" id="Version Control" />
       <window_info anchor="bottom" id="Terminal" />
       <window_info id="Capture Tool" />
       <window_info id="Designer" />
-      <window_info content_ui="combo" id="Project" order="0" visible="true" weight="0.185836" />
+      <window_info active="true" content_ui="combo" id="Project" order="0" visible="true" weight="0.24964234" />
       <window_info anchor="bottom" id="Find" order="1" />
       <window_info id="Structure" order="1" side_tool="true" weight="0.25" />
       <window_info anchor="right" id="Ant Build" order="1" weight="0.25" />
       <window_info id="UI Designer" />
       <window_info anchor="right" id="Theme Preview" />
-      <window_info active="true" anchor="bottom" id="Debug" order="3" visible="true" weight="0.4" />
+      <window_info anchor="bottom" id="Debug" order="3" weight="0.4923077" />
       <window_info id="Favorites" side_tool="true" />
       <window_info anchor="right" id="Commander" internal_type="SLIDING" order="0" type="SLIDING" weight="0.4" />
       <window_info anchor="bottom" id="Inspection" order="5" weight="0.4" />
@@ -479,7 +431,7 @@
     </entry>
     <entry file="file://$PROJECT_DIR$/src/io/github/apollozhu/lottery/prize/utils/RandomSelector.kt">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="390">
+        <state relative-caret-position="358">
           <caret line="36" selection-start-line="36" selection-end-line="36" />
         </state>
       </provider>
@@ -490,10 +442,12 @@
       <state key="ArtifactsStructureConfigurable.UI">
         <settings>
           <artifact-editor />
+          <last-edited>Lottery:jar</last-edited>
           <splitter-proportions>
             <option name="proportions">
               <list>
                 <option value="0.2" />
+                <option value="0.5" />
               </list>
             </option>
           </splitter-proportions>
@@ -536,7 +490,7 @@
       </state>
       <state key="ModuleStructureConfigurable.UI">
         <settings>
-          <last-edited>Raffle</last-edited>
+          <last-edited>Lottery</last-edited>
           <splitter-proportions>
             <option name="proportions">
               <list>
diff --git a/README.md b/README.md
new file mode 100644
index 0000000000000000000000000000000000000000..82765355684ced52186a982a190efe34dd860f83
--- /dev/null
+++ b/README.md
@@ -0,0 +1,29 @@
+# Lottery | 年会抽奖软件
+
+An app for my dad
+
+## 系统要求
+
+- JRE (Java Runtime Environment，Java运行环境) 1.8.0 及以上: [下载](http://www.oracle.com/technetwork/java/javase/downloads/jre8-downloads-2133155.html)（如已安装可跳过）
+
+> 详见 [Oracle JDK 8 and JRE 8 Certified System Configurations](http://www.oracle.com/technetwork/java/javase/certconfig-2095354.html)（英文）
+
+## 使用方法
+
+下载 Lottery.jar： [点我下载](https://github.com/ApolloZhu/Lottery/releases/download/1.0.0/Lottery.jar)
+
+双击下载好的 [Lottery.jar](https://github.com/ApolloZhu/Lottery/releases/download/1.0.0/Lottery.jar) 打开，按照界面提示操作
+
+### 更新软件
+
+前往 [更新网页](https://github.com/ApolloZhu/Lottery/releases)，点击最新版（第一个）Downloads 里的 [Lottery.jar](https://github.com/ApolloZhu/Lottery/releases/download/1.0.0/Lottery.jar) 下载
+
+----
+
+## 开发信息
+
+![Kotlin](https://img.shields.io/badge/开发语言-Kotlin-F18E33.svg) ![Java 8](https://img.shields.io/badge/Java-8-b07219.svg) [![Dependent of https://github.com/ApolloZhu/io.github.apollozhu](https://img.shields.io/badge/依赖-io.github.apollozhu-brightgreen.svg)](https://github.com/ApolloZhu/io.github.apollozhu)
+
+本软件使用 [GNU General Public License v3.0](https://github.com/ApolloZhu/Lottery/blob/master/LICENSE) 进行许可
+
+> 总开发时长：共 23 小时 18 分钟
diff --git a/src/META-INF/MANIFEST.MF b/src/META-INF/MANIFEST.MF
new file mode 100644
index 0000000000000000000000000000000000000000..713fae4d001af658af9b4c7182537b72988bb36a
--- /dev/null
+++ b/src/META-INF/MANIFEST.MF
@@ -0,0 +1,3 @@
+Manifest-Version: 1.0
+Main-Class: io.github.apollozhu.lottery.MainKt
+