diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 0c713f37469f6913b826a5db50e99debe8fbb2e1..51805a3d95c3251fe29c696eb74b1f6081fcd13e 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -2,8 +2,11 @@
 <project version="4">
   <component name="ChangeListManager">
     <list default="true" id="e43e9168-5945-4f45-b4c2-1b6410d1eef8" name="Changes" comment="增加策略模式案例&#10;Signed-off-by: chenjianqiang &lt;wushanxi@gmail.com&gt;">
+      <change beforePath="$PROJECT_DIR$/README.md" beforeDir="false" afterPath="$PROJECT_DIR$/README.md" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/com/chen/InterpreterPattern/InterpreterMain.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/com/chen/InterpreterPattern/po/InterpreterMain.java" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/src/com/chen/PatternApplication.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/com/chen/PatternApplication.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/com/chen/PatternMain.java" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/com/chen/StrategyPattern/Context.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/com/chen/StrategyPattern/po/Context.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/com/chen/StrategyPattern/StrategyMain.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/com/chen/StrategyPattern/po/StrategyMain.java" afterDir="false" />
     </list>
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
@@ -88,10 +91,13 @@
   </component>
   <component name="PropertiesComponent">
     <property name="WebServerToolWindowFactoryState" value="false" />
-    <property name="last_opened_file_path" value="$PROJECT_DIR$" />
+    <property name="last_opened_file_path" value="$PROJECT_DIR$/src/com/chen/StrategyPattern" />
     <property name="vue.rearranger.settings.migration" value="true" />
   </component>
   <component name="RecentsManager">
+    <key name="CopyFile.RECENT_KEYS">
+      <recent name="E:\chen\patterns\src\com\chen\StrategyPattern" />
+    </key>
     <key name="CopyClassDialog.RECENTS_KEY">
       <recent name="com.chen.StrategyPattern.po" />
       <recent name="com.company.InterpreterPattern" />
@@ -126,7 +132,7 @@
       <workItem from="1634085227295" duration="1967000" />
       <workItem from="1634087918450" duration="3646000" />
       <workItem from="1634091679401" duration="1323000" />
-      <workItem from="1634093719115" duration="2735000" />
+      <workItem from="1634093719115" duration="3683000" />
     </task>
     <task id="LOCAL-00001" summary="增加策略模式案例&#10;Signed-off-by: chenjianqiang &lt;wushanxi@gmail.com&gt;">
       <created>1634096220780</created>
diff --git a/README.md b/README.md
index 879d391060b086c16b4f78dd942bc24125ae506f..110e4277ee47208c0b75abfa3f0c14e9674c8ab5 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,10 @@
-# patterns
+# Patterns
 
-设计模式学习案例
\ No newline at end of file
+### 快速上手
+PatternApplication  --->>>  main()
+### 包说明
+
+```
+--examples     贡献用户的真实业务代码案例
+--po           网络平台的解释文字介绍和代码案例
+```
diff --git a/src/com/chen/InterpreterPattern/InterpreterMain.java b/src/com/chen/InterpreterPattern/po/InterpreterMain.java
similarity index 97%
rename from src/com/chen/InterpreterPattern/InterpreterMain.java
rename to src/com/chen/InterpreterPattern/po/InterpreterMain.java
index 97d933dd48316c0cea24201171387711df40a5aa..b199e068f6b0fb7236227c6cd4ac4b6d2de21ced 100644
--- a/src/com/chen/InterpreterPattern/InterpreterMain.java
+++ b/src/com/chen/InterpreterPattern/po/InterpreterMain.java
@@ -1,4 +1,4 @@
-package com.chen.InterpreterPattern;
+package com.chen.InterpreterPattern.po;
 
 import com.chen.InterpreterPattern.po.AndExpression;
 import com.chen.InterpreterPattern.po.Expression;
diff --git a/src/com/chen/PatternApplication.java b/src/com/chen/PatternApplication.java
index 42098639243213ee4510597e7f07b681b3fdad92..80e9ba4cf9db374f5d9f9d276fff43de657c8357 100644
--- a/src/com/chen/PatternApplication.java
+++ b/src/com/chen/PatternApplication.java
@@ -1,7 +1,6 @@
 package com.chen;
 
-import com.chen.InterpreterPattern.InterpreterMain;
-import com.chen.StrategyPattern.StrategyMain;
+import com.chen.StrategyPattern.po.StrategyMain;
 
 /**
  * @author lx
diff --git a/src/com/chen/StrategyPattern/Context.java b/src/com/chen/StrategyPattern/po/Context.java
similarity index 90%
rename from src/com/chen/StrategyPattern/Context.java
rename to src/com/chen/StrategyPattern/po/Context.java
index 6a110fb07f8e7b8cfca076fc0119108cdd7a7ffc..247d5b36aeb8c86692c5b8f91eb76cea03ea4a1c 100644
--- a/src/com/chen/StrategyPattern/Context.java
+++ b/src/com/chen/StrategyPattern/po/Context.java
@@ -1,4 +1,4 @@
-package com.chen.StrategyPattern;
+package com.chen.StrategyPattern.po;
 
 import com.chen.StrategyPattern.po.Strategy;
 
diff --git a/src/com/chen/StrategyPattern/StrategyMain.java b/src/com/chen/StrategyPattern/po/StrategyMain.java
similarity index 78%
rename from src/com/chen/StrategyPattern/StrategyMain.java
rename to src/com/chen/StrategyPattern/po/StrategyMain.java
index ed0fef5ed4735b438b65e287daecadb558ac196a..ea2ed3429aec863709c4d1f480a4446fe3f090ff 100644
--- a/src/com/chen/StrategyPattern/StrategyMain.java
+++ b/src/com/chen/StrategyPattern/po/StrategyMain.java
@@ -1,5 +1,6 @@
-package com.chen.StrategyPattern;
+package com.chen.StrategyPattern.po;
 
+import com.chen.StrategyPattern.po.Context;
 import com.chen.StrategyPattern.po.OperationA;
 import com.chen.StrategyPattern.po.OperationB;
 
@@ -13,11 +14,11 @@ public class StrategyMain {
         int a = 5;
         int b = 11;
 
-
+        // 策略A
         Context c = new Context(new OperationA());
         System.err.println(c.exec(a, b));
 
-
+        // 策略B
         c = new Context(new OperationB());
         System.err.println(c.exec(a, b));
     }