diff --git a/build/classes/th/part_21_Concurrence/chapter_02/_14Exception/HandlerThreadFactory$1.class b/build/classes/th/part_21_Concurrence/chapter_02/_14Exception/HandlerThreadFactory$1.class
index a5a0572..e7ac392 100644
Binary files a/build/classes/th/part_21_Concurrence/chapter_02/_14Exception/HandlerThreadFactory$1.class and b/build/classes/th/part_21_Concurrence/chapter_02/_14Exception/HandlerThreadFactory$1.class differ
diff --git a/src/applicationConfig.properties b/src/applicationConfig.properties
new file mode 100644
index 0000000..db9c179
--- /dev/null
+++ b/src/applicationConfig.properties
@@ -0,0 +1,15 @@
+#使用http协议访问ftp资源路径
+#http_protocol_ip=http://192.168.1.71/
+#ueditor上传图片过滤器路径配置
+ueditor_filter_path=/car_home_cms/js/ueditor/jsp/controller.jsp
+
+#ftp_ip=192.168.1.71
+#ftp_port=21
+#ftp_username=gter
+#ftp_password=123
+
+http_protocol_ip=http://42.202.130.45/
+ftp_ip=42.202.130.45
+ftp_port=21
+ftp_username=ftp
+ftp_password=ftp123
diff --git a/src/designPattern/headfirst/chapter_03Decorator/me/Beverage.java b/src/designPattern/headfirst/chapter_03Decorator/me/Beverage.java
index 23a180f..5f2ab4c 100644
--- a/src/designPattern/headfirst/chapter_03Decorator/me/Beverage.java
+++ b/src/designPattern/headfirst/chapter_03Decorator/me/Beverage.java
@@ -14,7 +14,7 @@ public String getDescription() {
 		return description;
 	}
 	
-	int size=1;
+	int size=0;
 	public void setSize(int size) {
 		this.size = size;
 	}
diff --git a/src/designPattern/headfirst/chapter_03Decorator/me/Mocha.java b/src/designPattern/headfirst/chapter_03Decorator/me/Mocha.java
index f5c6b94..e32f668 100644
--- a/src/designPattern/headfirst/chapter_03Decorator/me/Mocha.java
+++ b/src/designPattern/headfirst/chapter_03Decorator/me/Mocha.java
@@ -16,7 +16,7 @@ public Mocha(Beverage beverage) {
 	@Override
 	public double cost() {
 		double discount = getDiscount();
-		return 1 * discount + beverage.cost() * discount;
+		return (1 + beverage.cost()) * discount;
 	}
 
 	@Override
diff --git a/src/designPattern/headfirst/chapter_03Decorator/me/Soy.java b/src/designPattern/headfirst/chapter_03Decorator/me/Soy.java
index 2a03176..13ea452 100644
--- a/src/designPattern/headfirst/chapter_03Decorator/me/Soy.java
+++ b/src/designPattern/headfirst/chapter_03Decorator/me/Soy.java
@@ -11,7 +11,7 @@ public Soy(Beverage beverage) {
 	@Override
 	public double cost() {
 		double discount = getDiscount();
-		return 1 * discount + beverage.cost() * discount;
+		return (1+ beverage.cost()) * discount;
 	}
 
 	@Override
diff --git a/src/designPattern/headfirst/chapter_03Decorator/me/Whip.java b/src/designPattern/headfirst/chapter_03Decorator/me/Whip.java
index f06fcb0..1875472 100644
--- a/src/designPattern/headfirst/chapter_03Decorator/me/Whip.java
+++ b/src/designPattern/headfirst/chapter_03Decorator/me/Whip.java
@@ -11,7 +11,7 @@ public Whip(Beverage beverage) {
 	@Override
 	public double cost() {
 		double discount = getDiscount();
-		return 1.0 * discount + beverage.cost() * discount;
+		return (1+ beverage.cost()) * discount;
 	}
 
 	@Override
diff --git a/src/designPattern/headfirst/chapter_03Decorator/theAnswer/LowercaseInputStream.java b/src/designPattern/headfirst/chapter_03Decorator/theAnswer/LowercaseInputStream.java
new file mode 100644
index 0000000..2c3ae71
--- /dev/null
+++ b/src/designPattern/headfirst/chapter_03Decorator/theAnswer/LowercaseInputStream.java
@@ -0,0 +1,11 @@
+package designPattern.headfirst.chapter_03Decorator.theAnswer;
+
+import java.io.FilterInputStream;
+import java.io.InputStream;
+
+public class LowercaseInputStream extends FilterInputStream {
+	public LowercaseInputStream(InputStream in) {
+		super(in);
+	}
+	
+}
diff --git a/src/designPattern/headfirst/chapter_03Decorator/theIO/tEST.java b/src/designPattern/headfirst/chapter_03Decorator/theIO/tEST.java
new file mode 100644
index 0000000..9086425
--- /dev/null
+++ b/src/designPattern/headfirst/chapter_03Decorator/theIO/tEST.java
@@ -0,0 +1,5 @@
+package designPattern.headfirst.chapter_03Decorator.theIO;
+
+public class tEST {
+
+}