diff --git a/panda-beans/src/main/java/org/panda/beans/util/ClassUtil.java b/panda-beans/src/main/java/org/panda/beans/util/ClassUtil.java
index 2794b6f..a9475bd 100644
--- a/panda-beans/src/main/java/org/panda/beans/util/ClassUtil.java
+++ b/panda-beans/src/main/java/org/panda/beans/util/ClassUtil.java
@@ -135,6 +135,11 @@ public class ClassUtil {
 
     }
 
+    /**
+     * 通过类名，添加到类集合中
+     * @param classSet 类集合
+     * @param className 类名
+     */
     public static void doAddClass(Set<Class> classSet,String className){
         Class<?> clazz = loadClass(className,false);
         classSet.add(clazz);
diff --git a/panda-jdbc/src/main/java/org/panda/jdbc/helper/DataBaseHelper.java b/panda-jdbc/src/main/java/org/panda/jdbc/helper/DataBaseHelper.java
index cbdd878..6cb1795 100644
--- a/panda-jdbc/src/main/java/org/panda/jdbc/helper/DataBaseHelper.java
+++ b/panda-jdbc/src/main/java/org/panda/jdbc/helper/DataBaseHelper.java
@@ -60,7 +60,6 @@ public class DataBaseHelper {
      */
     public static void beginTransaction() {
         Connection conn = getConnection();
-
         try {
             conn.setAutoCommit(false);
         } catch (SQLException e) {
diff --git a/panda-web/src/main/java/org/panda/web/servlet/DispatcherServlet.java b/panda-web/src/main/java/org/panda/web/servlet/DispatcherServlet.java
index 584fc04..fa28770 100644
--- a/panda-web/src/main/java/org/panda/web/servlet/DispatcherServlet.java
+++ b/panda-web/src/main/java/org/panda/web/servlet/DispatcherServlet.java
@@ -27,6 +27,7 @@ import java.lang.reflect.Method;
 import java.util.Map;
 
 /**
+ * 统一请求拦截器
  *  @author qi
  */
 @WebServlet(urlPatterns = "/*",loadOnStartup = 0)