diff --git a/pattern-facade/src/main/java/org/panda/facade/pagemaker/DataBase.java b/pattern-facade/src/main/java/org/panda/facade/pagemaker/DataBase.java
index 477af3a..17ee4a3 100644
--- a/pattern-facade/src/main/java/org/panda/facade/pagemaker/DataBase.java
+++ b/pattern-facade/src/main/java/org/panda/facade/pagemaker/DataBase.java
@@ -22,7 +22,7 @@ public class DataBase {
             properties.load(new FileInputStream(fileName));
         } catch (IOException e) {
             System.out.println("Warning:"+fileName+" is not found.");
-          //  e.printStackTrace();
+            e.printStackTrace();
         }
         return properties;
     }
diff --git a/pattern-template/src/main/java/org/panda/template/AbstractDisplay.java b/pattern-template/src/main/java/org/panda/template/AbstractDisplay.java
index e5f2f35..0c1b640 100755
--- a/pattern-template/src/main/java/org/panda/template/AbstractDisplay.java
+++ b/pattern-template/src/main/java/org/panda/template/AbstractDisplay.java
@@ -1,13 +1,28 @@
 package org.panda.template;
 
+/**
+ * 模版方法
+ * @author qi
+ */
 public abstract class AbstractDisplay {
-
+    /**
+     *  打开
+     */
     abstract void open();
 
+    /**
+     *  打印
+     */
     abstract void print();
 
+    /**
+     * 关闭
+     */
     abstract void close();
 
+    /**
+     * 显示
+     */
     final void display(){
         open();
         for (int i=0;i<5;i++){