diff --git a/src/main/java/com/qiniu/api/config/Config.java b/src/main/java/com/qiniu/api/config/Config.java
index d2868e505..6567fc186 100644
--- a/src/main/java/com/qiniu/api/config/Config.java
+++ b/src/main/java/com/qiniu/api/config/Config.java
@@ -25,7 +25,7 @@ public class Config {
 
 	public static String RS_HOST = "http://rs.qbox.me";
 
-	public static String UP_HOST = "http://up.qiniu.com";
+	public static String UP_HOST = "http://upload.qiniu.com";
 
 	public static String RSF_HOST = "http://rsf.qbox.me";
 
diff --git a/src/test/java/com/examples/client/PutFileDemo.java b/src/test/java/com/examples/client/PutFileDemo.java
index 6156aa676..29dcf272c 100644
--- a/src/test/java/com/examples/client/PutFileDemo.java
+++ b/src/test/java/com/examples/client/PutFileDemo.java
@@ -1,7 +1,5 @@
 package com.examples.client;
 
-import java.io.File;
-
 import com.qiniu.api.io.IoApi;
 import com.qiniu.api.io.PutExtra;
 import com.qiniu.api.io.PutRet;
diff --git a/src/test/java/com/qiniu/testing/BatchCopyTest.java b/src/test/java/com/qiniu/testing/BatchCopyTest.java
index c2e7fa19e..2fc9e9b1c 100644
--- a/src/test/java/com/qiniu/testing/BatchCopyTest.java
+++ b/src/test/java/com/qiniu/testing/BatchCopyTest.java
@@ -1,6 +1,5 @@
 package com.qiniu.testing;
 
-import java.io.File;
 import java.util.ArrayList;
 import java.util.List;
 
diff --git a/src/test/java/com/qiniu/testing/BatchMoveTest.java b/src/test/java/com/qiniu/testing/BatchMoveTest.java
index 584a2c41d..cd901dd4b 100644
--- a/src/test/java/com/qiniu/testing/BatchMoveTest.java
+++ b/src/test/java/com/qiniu/testing/BatchMoveTest.java
@@ -1,6 +1,5 @@
 package com.qiniu.testing;
 
-import java.io.File;
 import java.util.ArrayList;
 import java.util.List;
 
diff --git a/src/test/java/com/qiniu/testing/BatchStatTest.java b/src/test/java/com/qiniu/testing/BatchStatTest.java
index 093351d3f..482293cda 100644
--- a/src/test/java/com/qiniu/testing/BatchStatTest.java
+++ b/src/test/java/com/qiniu/testing/BatchStatTest.java
@@ -1,6 +1,5 @@
 package com.qiniu.testing;
 
-import java.io.File;
 import java.util.ArrayList;
 import java.util.List;
 
diff --git a/src/test/java/com/qiniu/testing/CopyTest.java b/src/test/java/com/qiniu/testing/CopyTest.java
index 2627d08f4..8fa8287b7 100644
--- a/src/test/java/com/qiniu/testing/CopyTest.java
+++ b/src/test/java/com/qiniu/testing/CopyTest.java
@@ -1,7 +1,5 @@
 package com.qiniu.testing;
 
-import java.io.File;
-
 import junit.framework.TestCase;
 
 import com.qiniu.api.auth.AuthException;
@@ -64,7 +62,6 @@ public void testCopy() throws Exception {
 		{
 			RSClient rs = new RSClient(mac);
 			CallRet ret = rs.copy(srcBucket, key, destBucket, key);
-			System.out.println(ret);
 			assertTrue(ret.ok());
 		}
 
diff --git a/src/test/java/com/qiniu/testing/HttpClientTimeOutTest.java b/src/test/java/com/qiniu/testing/HttpClientTimeOutTest.java
index c6cd84670..9ef2efb25 100644
--- a/src/test/java/com/qiniu/testing/HttpClientTimeOutTest.java
+++ b/src/test/java/com/qiniu/testing/HttpClientTimeOutTest.java
@@ -32,7 +32,6 @@ public void tearDown() {
 
 	public void testCONNECTION_TIMEOUT() {
 		Throwable tx = null;
-		long s = 0;
 		try {
 			Config.CONNECTION_TIMEOUT = 5;
 			Config.SO_TIMEOUT = 20 * 1000;
@@ -42,13 +41,10 @@ public void testCONNECTION_TIMEOUT() {
 			
 			HttpGet httpget = new HttpGet("http://www.qiniu.com");
 
-			s = System.currentTimeMillis();
 			HttpResponse ret = client.execute(httpget);
 
 			fail("应该按预期抛出异常 ConnectTimeoutException，测试失败");
 		} catch (Exception e) {
-			long end = System.currentTimeMillis();
-			System.out.println("CONNECTION_TIMEOUT test : " + (end - s));
 			tx = e;
 		}
 
@@ -58,7 +54,6 @@ public void testCONNECTION_TIMEOUT() {
 
 	public void testSO_TIMEOUT() {
 		Throwable tx = null;
-		long s = 0;
 		try {
 			Config.CONNECTION_TIMEOUT = 20 * 1000;
 			Config.SO_TIMEOUT = 5;
@@ -68,12 +63,9 @@ public void testSO_TIMEOUT() {
 			
 			HttpGet httpget = new HttpGet("http://www.qiniu.com");
 
-			s = System.currentTimeMillis();
 			HttpResponse ret = client.execute(httpget);
 			fail("应该按预期抛出异常 SocketTimeoutException，测试失败");
 		} catch (Exception e) {
-			long end = System.currentTimeMillis();
-			System.out.println("SO_TIMEOUT test : " + (end - s));
 			tx = e;
 		}
 		assertNotNull(tx.getMessage());
diff --git a/src/test/java/com/qiniu/testing/IOTest.java b/src/test/java/com/qiniu/testing/IOTest.java
index 74101216b..007f9087f 100644
--- a/src/test/java/com/qiniu/testing/IOTest.java
+++ b/src/test/java/com/qiniu/testing/IOTest.java
@@ -1,10 +1,14 @@
 package com.qiniu.testing;
 
-import java.io.*;
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.io.InputStream;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.UUID;
 
+import junit.framework.TestCase;
+
 import org.apache.http.HttpEntity;
 import org.apache.http.HttpResponse;
 import org.apache.http.client.ClientProtocolException;
@@ -12,15 +16,12 @@
 import org.apache.http.client.methods.HttpGet;
 import org.json.JSONObject;
 
-import junit.framework.TestCase;
-
 import com.qiniu.api.auth.digest.Mac;
 import com.qiniu.api.config.Config;
 import com.qiniu.api.io.IoApi;
 import com.qiniu.api.io.PutExtra;
 import com.qiniu.api.io.PutRet;
 import com.qiniu.api.net.Http;
-import com.qiniu.api.resumableio.ResumeableIoApi;
 import com.qiniu.api.rs.PutPolicy;
 import com.qiniu.api.rs.RSClient;
 
@@ -139,9 +140,7 @@ public void close() throws IOException {
 		
 		PutRet ret = IoApi.Put(upToken, key, new MyInputStream(en.getContent()), null);
 		
-		System.out.println(ret);
 		assertTrue(ret.ok());
-		System.out.println("is.available() = " + en.getContent().available());
 	}
 	
 	public void testSetLengthStream() throws Exception {
@@ -154,9 +153,7 @@ public void testSetLengthStream() throws Exception {
 		extra.mimeType = en.getContentType().getValue();
 		PutRet ret = IoApi.Put(upToken, key, en.getContent(), extra, en.getContentLength());
 		
-		System.out.println(ret);
 		assertTrue(ret.ok());
-		System.out.println("is.available() = " + en.getContent().available());
 	}
 
 	private HttpEntity getHttpEntity(String url) throws ClientProtocolException, IOException{
diff --git a/src/test/java/com/qiniu/testing/MoveTest.java b/src/test/java/com/qiniu/testing/MoveTest.java
index 7eb0412e8..b1bd5f3cd 100644
--- a/src/test/java/com/qiniu/testing/MoveTest.java
+++ b/src/test/java/com/qiniu/testing/MoveTest.java
@@ -1,7 +1,5 @@
 package com.qiniu.testing;
 
-import java.io.File;
-
 import junit.framework.TestCase;
 
 import com.qiniu.api.auth.AuthException;
@@ -66,7 +64,6 @@ public void testMove() throws Exception {
 		{
 			RSClient rs = new RSClient(mac);
 			CallRet ret = rs.move(srcBucket, key, destBucket, key);
-			System.out.println(ret);
 			assertTrue(ret.ok());
 		}
 
diff --git a/src/test/java/com/qiniu/testing/RSFTest.java b/src/test/java/com/qiniu/testing/RSFTest.java
index 4eb6ca9b1..872b5717d 100644
--- a/src/test/java/com/qiniu/testing/RSFTest.java
+++ b/src/test/java/com/qiniu/testing/RSFTest.java
@@ -1,6 +1,5 @@
 package com.qiniu.testing;
 
-import java.io.File;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -78,12 +77,8 @@ public void testRSF() throws Exception {
 			}
 			if (ret.exception.getClass() != RSFEofException.class) {
 				// error handler
-				System.out.println(ret.exception);
 			} 
 			
-			// 防止该bucket有别人在用
-			System.out.println(ret.exception);
-			System.out.println(all.size());
 			assertTrue(all.size() >= 3);
 		}
 	}
diff --git a/src/test/java/com/qiniu/testing/RSStatTest.java b/src/test/java/com/qiniu/testing/RSStatTest.java
index 5e0c15c50..43e193196 100644
--- a/src/test/java/com/qiniu/testing/RSStatTest.java
+++ b/src/test/java/com/qiniu/testing/RSStatTest.java
@@ -1,7 +1,5 @@
 package com.qiniu.testing;
 
-import java.io.File;
-
 import junit.framework.TestCase;
 
 import com.qiniu.api.auth.AuthException;
@@ -17,12 +15,12 @@
 
 public class RSStatTest extends TestCase {
 
-	public final String domain = "http://junit-bucket.qiniudn.com";
+	public final String domain = System.getenv("QINIU_TEST_DOMAIN");
 	public final String expectedHash = "FmDZwqadA4-ib_15hYfQpb7UXUYR";
 
 	public String bucketName;
 	public final String key = "RSTest-key";
-	
+
 	public Mac mac;
 
 	@Override
@@ -95,4 +93,4 @@ public void tearDown() {
 			assertTrue(!sr.ok());
 		}
 	}
-}
\ No newline at end of file
+}
diff --git a/src/test/java/com/qiniu/testing/ResumeableioTest.java b/src/test/java/com/qiniu/testing/ResumeableioTest.java
index f9b90324a..4081ddfc9 100644
--- a/src/test/java/com/qiniu/testing/ResumeableioTest.java
+++ b/src/test/java/com/qiniu/testing/ResumeableioTest.java
@@ -7,6 +7,8 @@
 import java.io.IOException;
 import java.util.UUID;
 
+import junit.framework.TestCase;
+
 import org.apache.http.HttpEntity;
 import org.apache.http.HttpResponse;
 import org.apache.http.client.ClientProtocolException;
@@ -15,8 +17,6 @@
 import org.json.JSONException;
 import org.json.JSONObject;
 
-import junit.framework.TestCase;
-
 import com.qiniu.api.auth.AuthException;
 import com.qiniu.api.auth.digest.Mac;
 import com.qiniu.api.config.Config;
@@ -90,7 +90,6 @@ private void uploadFile() throws AuthException, JSONException{
 		p.returnBody = "{\"key\": $(key), \"hash\": $(etag),\"mimeType\": $(mimeType)}";
 		String upToken = p.token(mac);
 		PutRet ret = ResumeableIoApi.put(file, upToken, currentKey, mimeType);
-		System.out.println(ret);
 		assertTrue(ret.ok());
 		if(mimeType != null){
 			JSONObject jsonObject = new JSONObject(ret.response);
@@ -106,7 +105,6 @@ private void uploadStream() throws AuthException, JSONException, FileNotFoundExc
 		String upToken = p.token(mac);
 		FileInputStream fis = new FileInputStream(file);
 		PutRet ret = ResumeableIoApi.put(fis, upToken, currentKey, mimeType);
-		System.out.println(ret);
 		assertTrue(ret.ok());
 		if(mimeType != null){
 			JSONObject jsonObject = new JSONObject(ret.response);
@@ -123,9 +121,7 @@ public void testStream() throws Exception {
 		HttpEntity en = getHttpEntity("http://qiniuphotos.qiniudn.com/gogopher.jpg");
 		PutRet ret = ResumeableIoApi.put(en.getContent(), upToken, currentKey, en.getContentType().getValue(), en.getContentLength());
 		
-		System.out.println(ret);
 		assertTrue(ret.ok());
-		System.out.println("is.available() = " + en.getContent().available());
 	}
 
 	private HttpEntity getHttpEntity(String url) throws ClientProtocolException, IOException{
@@ -146,9 +142,7 @@ public void tearDown() {
 		}
 
 		RSClient rs = new RSClient(mac);
-		System.out.println("try to delete: " + currentKey);
 		CallRet cr = rs.delete(bucketName, currentKey);
-		System.out.println("delete " + currentKey + " successed!");
 	}
 
 	/**