diff --git a/README.md b/README.md
index 89511c9..80b9648 100644
--- a/README.md
+++ b/README.md
@@ -12,10 +12,16 @@ Packaged the core operations of the azure blob storage as a separated library, t
 
 
 ## Features and Updates:
+
+### Bump the version to v1.0.0
+
+* Optimize performance for large content uploads and downloads
+* Optimize performance for multiple files concurrently download/upload
+
 ### New features since v0.0.4 :
 
 * upload and down with multiple threads, more faster and stable.
-* Page blob is full supported.
+* Page blob is fully supported.
 
 ### New features since v0.0.3 :
 
diff --git a/bin/bloblib-0.0.4.jar b/bin/bloblib-1.0.0.jar
similarity index 90%
rename from bin/bloblib-0.0.4.jar
rename to bin/bloblib-1.0.0.jar
index e094c6d..9d3d7d0 100644
Binary files a/bin/bloblib-0.0.4.jar and b/bin/bloblib-1.0.0.jar differ
diff --git a/dependency-reduced-pom.xml b/dependency-reduced-pom.xml
index bf70a3c..c9a5e44 100644
--- a/dependency-reduced-pom.xml
+++ b/dependency-reduced-pom.xml
@@ -4,7 +4,7 @@
   <groupId>com.wesley</groupId>
   <artifactId>bloblib</artifactId>
   <name>A blob operation library built on top of azure blob service</name>
-  <version>0.0.3</version>
+  <version>1.0.0</version>
   <url>http://maven.apache.org</url>
   <build>
     <sourceDirectory>src</sourceDirectory>
diff --git a/pom.xml b/pom.xml
index 27bc217..5d1163a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
 
   <groupId>com.wesley</groupId>
   <artifactId>bloblib</artifactId>
-  <version>0.0.4</version>
+  <version>1.0.0</version>
   <name>A blob operation library built on top of azure blob service</name>
   <packaging>jar</packaging>
   <url>http://maven.apache.org</url>
diff --git a/src/main/java/com/wesley/bloblib/ParallelDownloader.java b/src/main/java/com/wesley/bloblib/ParallelDownloader.java
index dd452c6..12078e1 100644
--- a/src/main/java/com/wesley/bloblib/ParallelDownloader.java
+++ b/src/main/java/com/wesley/bloblib/ParallelDownloader.java
@@ -19,9 +19,11 @@ public class ParallelDownloader {
 	/* instance of the object */
 	private static ParallelDownloader instance = null;
 	/* the number of threads */
-	private int defaultNumOfThreads = 8;
+	private int defaultNumOfThreads = 12;
+	/* the number of chunks */
+	private int defaultNumOfChunks = 4;
 	/* the minimum chunk size */
-	private int minChunkSize = 512 * 1024; // 512K
+	private int minChunkSize = 2 * 1024 * 1024; // 2MB
 	/* the downloader threads pool */
 	private static ThreadPuddle downloaderThreadsPool;
 	/* the factory of thread puddle class */
@@ -72,6 +74,7 @@ public synchronized static ParallelDownloader getInstance () {
 	private final void initTheDownLoaderThreadsPool(int numOfthreads){
 		threadPuddleFactory = new ThreadPuddleFactory();
 		threadPuddleFactory.setThreads(numOfthreads);
+		threadPuddleFactory.setTaskLimit(numOfthreads * 100);
 		threadPuddleFactory.setFifo(true);
 		downloaderThreadsPool = threadPuddleFactory.build();
 	}
@@ -80,7 +83,7 @@ private final void initTheDownLoaderThreadsPool(int numOfthreads){
 	private int getFinalNumOfChunks(long length){
 		int tmpBlockCount = (int)((float)length / (float)minChunkSize) + 1;
 		/* the final number of the chunks */
-		int numOfChunks = Math.min(defaultNumOfThreads, tmpBlockCount);
+		int numOfChunks = Math.min(defaultNumOfChunks, tmpBlockCount);
 		return numOfChunks;
 	}
 	
diff --git a/src/main/java/com/wesley/bloblib/ParallelUploader.java b/src/main/java/com/wesley/bloblib/ParallelUploader.java
index 9008707..cb79022 100644
--- a/src/main/java/com/wesley/bloblib/ParallelUploader.java
+++ b/src/main/java/com/wesley/bloblib/ParallelUploader.java
@@ -29,9 +29,11 @@ public class ParallelUploader {
 	/* instance of the object */
 	private static ParallelUploader instance = null;
 	/* the number of threads */
-	private int defaultNumOfThreads = 8;
+	private int defaultNumOfThreads = 12;
+	/* the number of chunks */
+	private int defaultNumOfChunks = 4;
 	/* the minimum chunk size */
-	private int minChunkSize = 512 * 1024; // 512K
+	private int minChunkSize = 2 * 1024 * 1024; // 2MB
 	/* the uploader threads pool */
 	private static ThreadPuddle uploaderThreadsPool;
 	/* the factory of thread puddle class */
@@ -84,6 +86,7 @@ public synchronized static ParallelUploader getInstance () {
 	private final void initTheUploaderThreadsPool(int numOfthreads){
 		threadPuddleFactory = new ThreadPuddleFactory();
 		threadPuddleFactory.setThreads(numOfthreads);
+		threadPuddleFactory.setTaskLimit(numOfthreads * 100);
 		threadPuddleFactory.setFifo(true);
 		uploaderThreadsPool = threadPuddleFactory.build();
 	}
@@ -96,7 +99,7 @@ private final void initTheUploaderThreadsPool(int numOfthreads){
 	private int getFinalNumOfChunks(long length){
 		int tmpBlockCount = (int)((float)length / (float)minChunkSize) + 1;
 		/* the final number of the chunks */
-		int numOfChunks = Math.min(defaultNumOfThreads, tmpBlockCount);
+		int numOfChunks = Math.min(defaultNumOfChunks, tmpBlockCount);
 		return numOfChunks;
 	}