diff --git a/pom.xml b/pom.xml
index 9546591..0774620 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
 	<groupId>common.toolkit</groupId>
 	<artifactId>common-toolkit</artifactId>
 	<name>common-toolkit</name>
-	<version>0.0.4</version>
+	<version>0.0.4-SNAPSHOT</version>
 	<packaging>jar</packaging>
 
 
@@ -35,7 +35,7 @@
 		<ganymed.ssh.version>build210</ganymed.ssh.version>
 		<httpclient.version>3.1</httpclient.version>
 		<jsontools.version>1.7</jsontools.version>
-		<json.version>2.2</json.version>
+		<json.version>20090211</json.version>
 		<gson.version>2.1</gson.version>
 	</properties>
 
@@ -143,7 +143,7 @@
 
 			<!-- HttpClient -->
 			<dependency>
-				<groupId>apache-httpclient</groupId>
+				<groupId>commons-httpclient</groupId>
 				<artifactId>commons-httpclient</artifactId>
 				<version>${httpclient.version}</version>
 			</dependency>
@@ -236,7 +236,7 @@
 		</dependency>
 		<!-- HttpClient -->
 		<dependency>
-			<groupId>apache-httpclient</groupId>
+			<groupId>commons-httpclient</groupId>
 			<artifactId>commons-httpclient</artifactId>
 		</dependency>
 		<!-- Servlet -->
diff --git a/src/main/java/common/toolkit/java/util/io/SSHUtil.java b/src/main/java/common/toolkit/java/util/io/SSHUtil.java
index 76dae3b..f470d5f 100644
--- a/src/main/java/common/toolkit/java/util/io/SSHUtil.java
+++ b/src/main/java/common/toolkit/java/util/io/SSHUtil.java
@@ -10,6 +10,7 @@
 import java.io.IOException;
 import java.io.InputStreamReader;
 import java.util.HashMap;
+import java.util.List;
 import java.util.Map;
 
 import ch.ethz.ssh2.Connection;
@@ -135,16 +136,21 @@ private static HostPerformanceEntity getHostPerformance( Connection conn ) throw
 					// 第四行通常是这样：
 					// Mem: 1572988k total, 1490452k used, 82536k free, 138300k
 					// buffers
-					String[] memArray = line.replace( MEM_USAGE_STRING, EMPTY_STRING ).split( COMMA );
-					totalMem = StringUtil.trimToEmpty( memArray[0].replace( "total", EMPTY_STRING ) ).replace( "k", EMPTY_STRING );
-					freeMem = StringUtil.trimToEmpty( memArray[2].replace( "free", EMPTY_STRING ) ).replace( "k", EMPTY_STRING );
-					buffersMem = StringUtil.trimToEmpty( memArray[3].replace( "buffers", EMPTY_STRING ) ).replace( "k", EMPTY_STRING );
+					
+					// updated by hengyunabc
+					// 有可能是这样的：
+					// KiB Mem:   8085056 total,  7557820 used,   527236 free,   385016 buffers
+					// 所以这里的字符串处理不对，直接改为匹配数字即可。
+					List<String> list = StringUtil.findAllByRegex(line, "\\d+");
+					totalMem = list.get(0);
+					freeMem = list.get(1);
+					buffersMem = list.get(2);
 				} else if ( 5 == lineNum ) {
 					// 第四行通常是这样：
 					// Swap: 2096472k total, 252k used, 2096220k free, 788540k
 					// cached
-					String[] memArray = line.replace( SWAP_USAGE_STRING, EMPTY_STRING ).split( COMMA );
-					cachedMem = StringUtil.trimToEmpty( memArray[3].replace( "cached", EMPTY_STRING ) ).replace( "k", EMPTY_STRING );
+					List<String> list = StringUtil.findAllByRegex(line, "\\d+");
+					cachedMem = list.get(3);
 
 					if ( StringUtil.isBlank( totalMem, freeMem, buffersMem, cachedMem ) )
 						throw new Exception( "Error when get system performance of ip: " + conn.getHostname()