错别字一个，谢强哥

.idea/.gitignore

-# 默认忽略的文件
-/shelf/
-/workspace.xml
-# 基于编辑器的 HTTP 客户端请求
-/httpRequests/

.idea/codeStyles/codeStyleConfig.xml

-<component name="ProjectCodeStyleConfiguration">
-  <state>
-    <option name="PREFERRED_PROJECT_CODE_STYLE" value="Default" />
-  </state>
-</component>
\ No newline at end of file

.idea/workspace.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ChangeListManager">
+    <list default="true" id="6c702afd-70dc-432d-9640-09d64ceaafcb" name="默认变更列表" comment="">
+      <change beforePath="$PROJECT_DIR$/.idea/.gitignore" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/.idea/codeStyles/codeStyleConfig.xml" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/.idea/inspectionProfiles/Project_Default.xml" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/.idea/modules.xml" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/.idea/vcs.xml" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/00.前言/00.前言.md" beforeDir="false" afterPath="$PROJECT_DIR$/00.前言/00.前言.md" afterDir="false" />
+    </list>
+    <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="Git.Settings">
+    <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" />
+  </component>
+  <component name="ProjectId" id="1tevL8vGrxpUhS81FYTYujNuILU" />
+  <component name="ProjectViewState">
+    <option name="hideEmptyMiddlePackages" value="true" />
+    <option name="showLibraryContents" value="true" />
+  </component>
+  <component name="PropertiesComponent">
+    <property name="RunOnceActivity.OpenProjectViewOnStart" value="true" />
+    <property name="RunOnceActivity.ShowReadmeOnStart" value="true" />
+    <property name="WebServerToolWindowFactoryState" value="false" />
+    <property name="dart.analysis.tool.window.visible" value="false" />
+    <property name="settings.editor.selected.configurable" value="preferences.pluginManager" />
+    <property name="vue.rearranger.settings.migration" value="true" />
+  </component>
+  <component name="SpellCheckerSettings" RuntimeDictionaries="0" Folders="0" CustomDictionaries="0" DefaultDictionary="application-level" UseSingleDictionary="true" transferred="true" />
+  <component name="TaskManager">
+    <task active="true" id="Default" summary="默认任务">
+      <changelist id="6c702afd-70dc-432d-9640-09d64ceaafcb" name="默认变更列表" comment="" />
+      <created>1623142310502</created>
+      <option name="number" value="Default" />
+      <option name="presentableId" value="Default" />
+      <updated>1623142310502</updated>
+      <workItem from="1623142311711" duration="9000" />
+    </task>
+    <servers />
+  </component>
+  <component name="TypeScriptGeneratedFilesManager">
+    <option name="version" value="3" />
+  </component>
+</project>
\ No newline at end of file

00.前言/00.前言.md

@@ -17,7 +17,7 @@
 
 > **游戏可抽象为：输入 + 循环 + 输出**
 >
-> 输出：鼠标、键盘、陀螺仪、手柄、ar/vr、摄像头、麦克风等一切可以获取信息的设备
+> 输入：鼠标、键盘、陀螺仪、手柄、ar/vr、摄像头、麦克风等一切可以获取信息的设备
 >
 > 循环：游戏主循环， 数据更新+渲染更新
 >