diff --git a/Bench4Q-Agent/src/main/java/org/bench4q/agent/plugin/basic/HBasePlugin/HBasePlugin.java b/Bench4Q-Agent/src/main/java/org/bench4q/agent/plugin/basic/HBasePlugin/HBasePlugin.java
index 699c17fa..1f468205 100644
--- a/Bench4Q-Agent/src/main/java/org/bench4q/agent/plugin/basic/HBasePlugin/HBasePlugin.java
+++ b/Bench4Q-Agent/src/main/java/org/bench4q/agent/plugin/basic/HBasePlugin/HBasePlugin.java
@@ -1,89 +1,158 @@
-package org.bench4q.agent.plugin.basic.HBasePlugin;
-
-import java.util.UUID;
-
-import org.bench4q.agent.plugin.Constructor;
-import org.bench4q.agent.plugin.Parameter;
-import org.bench4q.agent.plugin.Plugin;
-import org.bench4q.agent.plugin.behavior.Behavior;
-import org.bench4q.agent.plugin.behavior.BehaviorType;
-import org.bench4q.agent.utils.Type.SupportTypes;
-import org.bench4q.share.exception.Bench4QRunTimeException;
-import org.apache.hadoop.conf.Configuration;
-import org.apache.hadoop.hbase.HBaseConfiguration;
-import org.apache.hadoop.hbase.client.HBaseAdmin;
-import org.apache.hadoop.hbase.client.HTable;
-import org.apache.hadoop.hbase.client.Put;
-import org.apache.hadoop.hbase.client.Result;
-import org.apache.hadoop.hbase.client.ResultScanner;
-import org.apache.hadoop.hbase.client.Scan;
-import org.apache.hadoop.hbase.filter.CompareFilter.CompareOp;
-import org.apache.hadoop.hbase.filter.Filter;
-import org.apache.hadoop.hbase.filter.SingleColumnValueFilter;
-import org.apache.hadoop.hbase.util.Bytes;
-import org.apache.log4j.Logger;
-
-@Plugin("HBase")
-public class HBasePlugin {
-	private final Configuration conf;
-	private final HTable tableUnderTest;
-
-	@Constructor
-	public HBasePlugin(
-			@Parameter(value = "dnsServer", type = SupportTypes.Field) String dnsServer,
-			@Parameter(value = "zookeeperQuorum", type = SupportTypes.Field) String zookeeperQuorum,
-			@Parameter(value = "zookeeperDataDir", type = SupportTypes.Field) String zookeeperDataDir,
-			@Parameter(value = "masterAdrress", type = SupportTypes.Field) String masterAdrress,
-			@Parameter(value = "tableName", type = SupportTypes.Field) String tableName) {
-		conf = HBaseConfiguration.create();
-		try {
-			Configuration config = new Configuration();
-			config.set("hbase.master.dns.nameserver", dnsServer);
-			config.setBoolean("hbase.cluster.distributed", true);
-			config.set("hbase.zookeeper.quorum", zookeeperQuorum);
-			config.set("hbase.zookeeper.property.dataDir", zookeeperDataDir);
-			config.set("hbase.master.info.bindAddress", masterAdrress);
-			@SuppressWarnings({ "unused", "resource" })
-			HBaseAdmin admin = new HBaseAdmin(config);
-			tableUnderTest = new HTable(conf, tableName);
-		} catch (Exception e) {
-			e.printStackTrace();
-			throw new Bench4QRunTimeException("Construct HBasePlugin fails!", e);
-		}
-	}
-
-	@Behavior(value = "Insert", type = BehaviorType.USER_BEHAVIOR)
-	public HBaseReturn insert(
-			@Parameter(value = "key", type = SupportTypes.Field) String key,
-			@Parameter(value = "value", type = SupportTypes.Field) String value) {
-		try {
-			Put put = new Put(UUID.randomUUID().toString().getBytes());
-			put.add("key1".getBytes(), "key1".getBytes(), key.getBytes());
-			put.add("value1".getBytes(), "value1".getBytes(), value.getBytes());
-			this.tableUnderTest.put(put);
-		} catch (Exception ex) {
-			Logger.getLogger(HBasePlugin.class).info(ex, ex);
-			return new HBaseReturn(false);
-		}
-		return new HBaseReturn(true);
-	}
-
-	@Behavior(value = "Query", type = BehaviorType.USER_BEHAVIOR)
-	public HBaseReturn query(
-			@Parameter(value = "key", type = SupportTypes.Field) String key) {
-		try {
-			Filter filter = new SingleColumnValueFilter(Bytes.toBytes("key1"),
-					Bytes.toBytes("key1"), CompareOp.EQUAL, Bytes.toBytes(key)); // 当列column1的值为aaa时进行查询
-			Scan s = new Scan();
-			s.setFilter(filter);
-			ResultScanner resultScanner = this.tableUnderTest.getScanner(s);
-			for (Result r : resultScanner) {
-				System.out.println("get the row key:" + new String(r.getRow()));
-			}
-		} catch (Exception ex) {
-			Logger.getLogger(HBasePlugin.class).info(ex, ex);
-			return new HBaseReturn(false);
-		}
-		return new HBaseReturn(true);
-	}
-}
+package org.bench4q.agent.plugin.basic.HBasePlugin;
+
+import java.io.IOException;
+import java.util.UUID;
+
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.hbase.HBaseConfiguration;
+import org.apache.hadoop.hbase.KeyValue;
+import org.apache.hadoop.hbase.client.Get;
+import org.apache.hadoop.hbase.client.HBaseAdmin;
+import org.apache.hadoop.hbase.client.HTable;
+import org.apache.hadoop.hbase.client.Put;
+import org.apache.hadoop.hbase.client.Result;
+import org.apache.hadoop.hbase.client.ResultScanner;
+import org.apache.hadoop.hbase.client.Scan;
+import org.apache.hadoop.hbase.filter.CompareFilter.CompareOp;
+import org.apache.hadoop.hbase.filter.Filter;
+import org.apache.hadoop.hbase.filter.SingleColumnValueFilter;
+import org.apache.hadoop.hbase.util.Bytes;
+import org.apache.log4j.Logger;
+import org.bench4q.agent.plugin.Constructor;
+import org.bench4q.agent.plugin.Parameter;
+import org.bench4q.agent.plugin.Plugin;
+import org.bench4q.agent.plugin.behavior.Behavior;
+import org.bench4q.agent.plugin.behavior.BehaviorType;
+import org.bench4q.agent.utils.Type.SupportTypes;
+import org.bench4q.share.exception.Bench4QRunTimeException;
+
+@Plugin("HBase")
+public class HBasePlugin {
+	private final Configuration conf;
+	private final HTable tableUnderTest;
+
+	@Constructor
+	public HBasePlugin(
+			@Parameter(value = "dnsServer", type = SupportTypes.Field) String dnsServer,
+			@Parameter(value = "zookeeperQuorum", type = SupportTypes.Field) String zookeeperQuorum,
+			@Parameter(value = "zookeeperDataDir", type = SupportTypes.Field) String zookeeperDataDir,
+			@Parameter(value = "masterAdrress", type = SupportTypes.Field) String masterAdrress,
+			@Parameter(value = "tableName", type = SupportTypes.Field) String tableName) {
+		conf = HBaseConfiguration.create();
+		try {
+			Configuration config = new Configuration();
+			config.set("hbase.master.dns.nameserver", dnsServer);
+			config.setBoolean("hbase.cluster.distributed", true);
+			config.set("hbase.zookeeper.quorum", zookeeperQuorum);
+			config.set("hbase.zookeeper.property.dataDir", zookeeperDataDir);
+			config.set("hbase.master.info.bindAddress", masterAdrress);
+			@SuppressWarnings({ "unused", "resource" })
+			HBaseAdmin admin = new HBaseAdmin(config);
+			tableUnderTest = new HTable(conf, tableName);
+		} catch (Exception e) {
+			Logger.getLogger(HBasePlugin.class).error(e, e);
+			throw new Bench4QRunTimeException("Construct HBasePlugin fails!", e);
+		}
+	}
+
+	@Behavior(value = "Insert", type = BehaviorType.USER_BEHAVIOR)
+	public HBaseReturn insert(
+			@Parameter(value = "key", type = SupportTypes.Field) String key,
+			@Parameter(value = "value", type = SupportTypes.Field) String value) {
+		try {
+			Put put = new Put(UUID.randomUUID().toString().getBytes());
+			put.add("key1".getBytes(), "key1".getBytes(), key.getBytes());
+			put.add("value1".getBytes(), "value1".getBytes(), value.getBytes());
+			this.tableUnderTest.put(put);
+			return new HBaseReturn(true);
+		} catch (Exception ex) {
+			Logger.getLogger(HBasePlugin.class).info(ex, ex);
+			return new HBaseReturn(false);
+		}		
+	}
+
+	@Behavior(value = "Query", type = BehaviorType.USER_BEHAVIOR)
+	public HBaseReturn query(
+			@Parameter(value = "key", type = SupportTypes.Field) String key) {
+		try {			 
+			Filter filter = new SingleColumnValueFilter(Bytes.toBytes("key1"),
+					Bytes.toBytes("key1"), CompareOp.EQUAL, Bytes.toBytes(key));  
+			Scan s = new Scan();
+			s.setFilter(filter);
+			ResultScanner resultScanner = this.tableUnderTest.getScanner(s);
+			for (Result r : resultScanner) {
+				System.out.println("get the row key:" + new String(r.getRow()));
+			}
+			return new HBaseReturn(true);	 
+		} catch (Exception ex) {
+			Logger.getLogger(HBasePlugin.class).info(ex, ex);
+			return new HBaseReturn(false);
+		}		
+	}
+	
+	/**
+	 * get style, read according to rowKey
+	 * @param rowkey
+	 * @throws IOException
+	 * @return
+	 */
+	@Behavior(value = "Get", type = BehaviorType.USER_BEHAVIOR)
+	public HBaseReturn get(@Parameter(value = "rowkey", type = SupportTypes.Field) String rowkey) {
+		try {			 
+			Get g = new Get(Bytes.toBytes(rowkey));
+			Result r = tableUnderTest.get(g);			 
+			for(KeyValue kv : r.raw()){
+				System.out.println("column: " + new String(kv.getRow()));
+				System.out.println("value: " + new String(kv.getValue()));
+			}	
+			return new HBaseReturn(true);
+		} catch (IOException ex) {
+			Logger.getLogger(HBasePlugin.class).info(ex, ex);			 
+			return new HBaseReturn(false);
+		} 
+	}
+	
+	
+	 /**
+     * Perform a range scan for a set of records in the database. 
+     * @param startkey The record key of the first record to read.
+     * @param recordcount The number of records to read         
+     * @return  
+     */
+	
+	@Behavior(value = "Scan", type = BehaviorType.USER_BEHAVIOR)
+    public HBaseReturn scan(@Parameter(value = "startkey", type = SupportTypes.Field) String startkey, 
+    		                @Parameter(value = "recordcount", type = SupportTypes.Field) String recordcount)
+    {
+        Scan s = new Scan(Bytes.toBytes(startkey));        
+        Integer count = Integer.getInteger(recordcount);
+        s.setCaching(count);  
+        ResultScanner scanner = null;
+        try {
+            scanner = tableUnderTest.getScanner(s);
+            int numResults = 0;
+            for (Result rr = scanner.next(); rr != null; rr = scanner.next())
+            {
+                
+                String key = Bytes.toString(rr.getRow());
+                for (KeyValue kv : rr.raw()) {                      
+                     System.out.println("result: key =" + kv.getQualifier() + " value = " + kv.getValue());
+                }          
+                numResults++;
+                if (numResults >= count)  
+                {
+                    break;
+                }
+            }  
+
+        }catch (IOException e) { 
+        	Logger.getLogger(HBasePlugin.class).info(e, e);
+        	return new HBaseReturn(false);
+        }finally {
+            scanner.close();
+        }
+        
+        return new HBaseReturn(true);
+    }
+     
+}
\ No newline at end of file
diff --git a/Bench4Q-Agent/src/main/java/org/bench4q/agent/plugin/basic/MongoDB/MongoDBPlugin.java b/Bench4Q-Agent/src/main/java/org/bench4q/agent/plugin/basic/MongoDB/MongoDBPlugin.java
index 48c95abd..4de0603b 100644
--- a/Bench4Q-Agent/src/main/java/org/bench4q/agent/plugin/basic/MongoDB/MongoDBPlugin.java
+++ b/Bench4Q-Agent/src/main/java/org/bench4q/agent/plugin/basic/MongoDB/MongoDBPlugin.java
@@ -94,8 +94,7 @@ public class MongoDBPlugin {
 			 
 			mongo = new Mongo(hostsList ,  
 					new MongoOptions(new MongoClientOptions.Builder()
-					.maxWaitTime(1000 * 40).build()));
-			//mongo = new Mongo(hostName, port);  
+					.maxWaitTime(1000 * 40).build()));			 
 			DB db = mongo.getDB(dbName);
 			DBCollection table = db.getCollection(this.tableUnderTest);
 			Table propertiesTable = Table.buildTable(properties,