diff --git a/.idea/.gitignore b/.idea/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..26d33521af10bcc7fd8cea344038eaaeb78d0ef5
--- /dev/null
+++ b/.idea/.gitignore
@@ -0,0 +1,3 @@
+# Default ignored files
+/shelf/
+/workspace.xml
diff --git a/.idea/DataStructureProject.iml b/.idea/DataStructureProject.iml
new file mode 100644
index 0000000000000000000000000000000000000000..d0876a78d06ac03b5d78c8dcdb95570281c6f1d6
--- /dev/null
+++ b/.idea/DataStructureProject.iml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="PYTHON_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <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/inspectionProfiles/profiles_settings.xml b/.idea/inspectionProfiles/profiles_settings.xml
new file mode 100644
index 0000000000000000000000000000000000000000..105ce2da2d6447d11dfe32bfb846c3d5b199fc99
--- /dev/null
+++ b/.idea/inspectionProfiles/profiles_settings.xml
@@ -0,0 +1,6 @@
+<component name="InspectionProjectProfileManager">
+  <settings>
+    <option name="USE_PROJECT_PROFILE" value="false" />
+    <version value="1.0" />
+  </settings>
+</component>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
new file mode 100644
index 0000000000000000000000000000000000000000..d1e22ecb89619a9c2dcf51a28d891a196d2462a0
--- /dev/null
+++ b/.idea/misc.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.8" project-jdk-type="Python SDK" />
+</project>
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
new file mode 100644
index 0000000000000000000000000000000000000000..aa7e8bd5d1dc60c882db9c297e562e8b65937a9b
--- /dev/null
+++ b/.idea/modules.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/DataStructureProject.iml" filepath="$PROJECT_DIR$/.idea/DataStructureProject.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000000000000000000000000000000000000..94a25f7f4cb416c083d265558da75d457237d671
--- /dev/null
+++ b/.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/01_\344\272\247\345\223\201\351\224\200\351\207\217\346\225\260\346\215\256\345\220\210\345\271\266/README.md" "b/01_\344\272\247\345\223\201\351\224\200\351\207\217\346\225\260\346\215\256\345\220\210\345\271\266/README.md"
new file mode 100644
index 0000000000000000000000000000000000000000..e71ccd8faf45d213fedc8ce2505f76fcc0f3b86e
--- /dev/null
+++ "b/01_\344\272\247\345\223\201\351\224\200\351\207\217\346\225\260\346\215\256\345\220\210\345\271\266/README.md"
@@ -0,0 +1,34 @@
+# 01_产品销售数据合并
+### 一、项目主题
+### 二、项目内容
+
+#### 1.项目背景
+#### 2.项目设计依据
+#### 3.项目概述
+### 三、项目指导
+### 四、项目实施流程
+### 五、项目实施环节安排
+#### 第一阶段：项目准备阶段
+1. 确定项目主题
+
+
+2. 项目需求分析与总体规划
+
+
+3. 分组、分工
+
+
+#### 第二阶段：项目的指导阶段
+1. 抽象与建模
+
+
+2. 设计算法
+
+
+3. 项目程序实现
+
+
+#### 第三阶段：项目汇报阶段
+### 六、项目汇报环节安排
+
+