diff --git a/BusinessProject/.DS_Store b/BusinessProject/.DS_Store
index 206cf68..7cd705a 100644
Binary files a/BusinessProject/.DS_Store and b/BusinessProject/.DS_Store differ
diff --git a/BusinessProject/src/Transaction/ContextManager.java b/BusinessProject/src/Transaction/ContextManager.java
index 74f32b0..f9a9620 100644
--- a/BusinessProject/src/Transaction/ContextManager.java
+++ b/BusinessProject/src/Transaction/ContextManager.java
@@ -9,9 +9,8 @@ import javax.naming.NamingException;
 public class ContextManager 
 {
     final static private String url      = "t3://localhost:7001";
-    final static private String user     = "xmoe";
-    final static private String password = "cbiloli7";
-    
+    final static private String user     = null;
+    final static private String password = null;
     
 	static private Context ctx = null;
 	
diff --git a/BusinessProject/src/Transaction/DataBaseManager.java b/BusinessProject/src/Transaction/DataBaseManager.java
index 098aace..3c1e1eb 100644
--- a/BusinessProject/src/Transaction/DataBaseManager.java
+++ b/BusinessProject/src/Transaction/DataBaseManager.java
@@ -13,9 +13,10 @@ import javax.sql.DataSource;
 
 public class DataBaseManager 
 {
-	private static DataBaseManager instance;
-	private DataSource dataSource1;
-	private DataSource dataSource2;
+	private static DataBaseManager instance = null;
+	private DataSource dataSource1          = null;
+	private DataSource dataSource2          = null;
+	private DataSource dataSource3          = null;
 	
 //	private DataSource dataSource;
 
@@ -33,6 +34,7 @@ public class DataBaseManager
 		{
 			dataSource1 = (DataSource) ctx.lookup("mysql1");
 			dataSource2 = (DataSource) ctx.lookup("mysql2");
+			dataSource3 = (DataSource) ctx.lookup("mysql3");
 		
 		} 
 		catch (NamingException e) 
@@ -72,6 +74,17 @@ public class DataBaseManager
 		}
 	}
 	
+	public final Connection getConnection3() 
+	{
+		try 
+		{
+			return dataSource3.getConnection();
+		} 
+		catch (SQLException e) 
+		{
+			throw new RuntimeException("无法从数据源获取连接 database3", e);
+		}
+	}
 	
 	public void TestConn1() throws SQLException 
 	{
diff --git a/BusinessProject/src/Transaction/JTATransaction.java b/BusinessProject/src/Transaction/JTATransaction.java
index 22e5f56..040ee9f 100644
--- a/BusinessProject/src/Transaction/JTATransaction.java
+++ b/BusinessProject/src/Transaction/JTATransaction.java
@@ -25,6 +25,7 @@ public class JTATransaction
     	catch (NamingException e) 
     	{
 			// TODO Auto-generated catch block
+    		System.err.println("Cannot find UserTransaction in JNDI");
 			e.printStackTrace();
 		}
     	return utx;
diff --git a/BusinessProject/src/WebMain.java b/BusinessProject/src/WebMain.java
index fcba587..5f66a41 100644
--- a/BusinessProject/src/WebMain.java
+++ b/BusinessProject/src/WebMain.java
@@ -39,37 +39,6 @@ public class WebMain extends HttpServlet
 		out.close();                                                                               
 		        
 		
-		/*
-		Context ctx = null;                                                                        
-                                                                                                   
-		try                                                                                        
-		{                                                                                          
-			ctx = new InitialContext();                                                            
-		}                                                                                          
-		catch (NamingException e)                                                                  
-		{                                                                                          
-			// TODO Auto-generated catch block                                                     
-			System.err.println("Failed to create context!");                                       
-			e.printStackTrace();                                                                   
-		}                                                                                          
-		                                                                                           
-		try                                                                                        
-		{                                                                                          
-			dataSource1 = (DataSource) ctx.lookup("java:comp/env/jndi/mysql1");                    
-			dataSource2 = (DataSource) ctx.lookup("java:comp/env/jndi/mysql2");                    
-		                                                                                           
-		}                                                                                          
-		catch (NamingException e)                                                                  
-		{                                                                                          
-			// TODO Auto-generated catch block                                                     
-			System.err.println("Failed to find context");                                          
-			e.printStackTrace();                                                                   
-			return;                                                                                
-		}                                                                                          
-		                                                                                           
-		System.out.print("Ok, Context and jndi found!");                                           
-		*/
-		
 		try {
 			JTAConnManager.getInstance().TestConn1();
 		} catch (SQLException e) {
@@ -77,7 +46,6 @@ public class WebMain extends HttpServlet
 			System.err.println("%%% Error Get Datebase Connection! %%%");
 			e.printStackTrace();
 		}
-		
 	}                                                                                              
 	                                                                                               
 	protected void doPost(HttpServletRequest req, HttpServletResponse res)