diff --git a/src/main/java/com/nis/util/StringUtils.java b/src/main/java/com/nis/util/StringUtils.java
index cb573f28f..b0c8d4f30 100644
--- a/src/main/java/com/nis/util/StringUtils.java
+++ b/src/main/java/com/nis/util/StringUtils.java
@@ -473,11 +473,10 @@ public class StringUtils extends org.apache.commons.lang3.StringUtils {
 	}
 
 	public static String stringFormat(String str,int len){
-		if(str.trim().equals("null")||str==null){
+		if(str==null||str.trim().equals("")||str.trim().equals("null")){
 			return "";
-		}else{
+		} 
 			
-		
 		str = Encodes.escapeHtml(str);
 		if(len!=-1){
 			try {
@@ -499,5 +498,4 @@ public class StringUtils extends org.apache.commons.lang3.StringUtils {
 		}
 		return str;
 	}
-	}
 }
diff --git a/src/main/webapp/WEB-INF/views/log/manipulation/dkBehaviorList.jsp b/src/main/webapp/WEB-INF/views/log/manipulation/dkBehaviorList.jsp
index bc939823a..0581db4dc 100644
--- a/src/main/webapp/WEB-INF/views/log/manipulation/dkBehaviorList.jsp
+++ b/src/main/webapp/WEB-INF/views/log/manipulation/dkBehaviorList.jsp
@@ -203,7 +203,9 @@ $(document).ready(function(){
 									<td>${log.foundTime}</td>
 									<td>${log.entranceId}</td>
 									
-									<td>${log.appLabel}</td>
+									<td title="${fns:escapeHtml(log.appLabel)}">
+										${fns:stringFormat(log.appLabel,30)}
+									</td>
 									<td>${log.c2sPktNum}</td>
 									<td>${log.s2cPktNum}</td>
 									<td>${log.c2sByteNum}</td>
@@ -231,7 +233,9 @@ $(document).ready(function(){
 											<c:if test="${log.streamDir==dic.itemCode}"><spring:message code="${dic.itemValue }"/></c:if>
 				               			</c:forEach>
 									</td>
-									<td>${log.addrList}</td>
+									<td title="${fns:escapeHtml(log.addrList)}">
+										${fns:stringFormat(log.addrList,30)}
+									</td>
 									<td title="${log.serverLocate}">${fns:abbr(log.serverLocate,20)}</td>
 									<td title="${log.clientLocate}">${fns:abbr(log.clientLocate,20)}</td>
 								</tr>
diff --git a/src/main/webapp/WEB-INF/views/log/ntc/appList.jsp b/src/main/webapp/WEB-INF/views/log/ntc/appList.jsp
index 73be41f9d..4b13aae38 100644
--- a/src/main/webapp/WEB-INF/views/log/ntc/appList.jsp
+++ b/src/main/webapp/WEB-INF/views/log/ntc/appList.jsp
@@ -217,7 +217,9 @@ $(document).ready(function(){
 											<c:if test="${log.streamDir==dic.itemCode}"><spring:message code="${dic.itemValue }"/></c:if>
 				               			</c:forEach>
 									</td>
-									<td>${log.addrList}</td>
+									<td title="${fns:escapeHtml(log.addrList)}">
+										${fns:stringFormat(log.addrList,30)}
+									</td>
 									<td title="${log.serverLocate}">${fns:abbr(log.serverLocate,20)}</td>
 									<td title="${log.clientLocate}">${fns:abbr(log.clientLocate,20)}</td>
 								</tr>
diff --git a/src/main/webapp/WEB-INF/views/log/ntc/ddosList.jsp b/src/main/webapp/WEB-INF/views/log/ntc/ddosList.jsp
index 2eb58cfe4..39a1cfece 100644
--- a/src/main/webapp/WEB-INF/views/log/ntc/ddosList.jsp
+++ b/src/main/webapp/WEB-INF/views/log/ntc/ddosList.jsp
@@ -237,7 +237,9 @@ $(document).ready(function(){
 											<c:if test="${log.streamDir==dic.itemCode}"><spring:message code="${dic.itemValue }"/></c:if>
 				               			</c:forEach>
 									</td>
-									<td>${log.addrList}</td>
+									<td title="${fns:escapeHtml(log.addrList)}">
+										${fns:stringFormat(log.addrList,30)}
+									</td>
 									<td title="${log.serverLocate}">${fns:abbr(log.serverLocate,20)}</td>
 									<td title="${log.clientLocate}">${fns:abbr(log.clientLocate,20)}</td>
 								</tr>
diff --git a/src/main/webapp/WEB-INF/views/log/ntc/ftpList.jsp b/src/main/webapp/WEB-INF/views/log/ntc/ftpList.jsp
index 586aceb47..ec733d436 100644
--- a/src/main/webapp/WEB-INF/views/log/ntc/ftpList.jsp
+++ b/src/main/webapp/WEB-INF/views/log/ntc/ftpList.jsp
@@ -206,7 +206,10 @@ $(document).ready(function(){
 											${fn:substring(log.ftpUrl,0,20) }
 										</a>	
 									</td>
-									<td>${log.ftpContent}</td>
+									
+									<td title="${fns:escapeHtml(log.ftpContent)}">
+										${fns:stringFormat(log.ftpContent,30)}
+									</td>
 									
 									<td>${log.capIp}</td>
 									<td>${log.transProto}</td>
diff --git a/src/main/webapp/WEB-INF/views/log/ntc/ipsecList.jsp b/src/main/webapp/WEB-INF/views/log/ntc/ipsecList.jsp
index d8b5c8e22..25fc976fe 100644
--- a/src/main/webapp/WEB-INF/views/log/ntc/ipsecList.jsp
+++ b/src/main/webapp/WEB-INF/views/log/ntc/ipsecList.jsp
@@ -228,7 +228,9 @@ $(document).ready(function(){
 											<c:if test="${log.streamDir==dic.itemCode}"><spring:message code="${dic.itemValue }"/></c:if>
 				               			</c:forEach>
 									</td>
-									<td>${log.addrList}</td>
+									<td title="${fns:escapeHtml(log.addrList)}">
+										${fns:stringFormat(log.addrList,30)}
+									</td>
 									<td title="${log.serverLocate}">${fns:abbr(log.serverLocate,20)}</td>
 									<td title="${log.clientLocate}">${fns:abbr(log.clientLocate,20)}</td>
 								</tr>
diff --git a/src/main/webapp/WEB-INF/views/log/ntc/mailList.jsp b/src/main/webapp/WEB-INF/views/log/ntc/mailList.jsp
index e5edbf8cc..aed0ef4e5 100644
--- a/src/main/webapp/WEB-INF/views/log/ntc/mailList.jsp
+++ b/src/main/webapp/WEB-INF/views/log/ntc/mailList.jsp
@@ -193,8 +193,12 @@
 									<td>${_log.entranceId }</td>
 									
 									<td>${_log.mailProto }</td>
-									<td>${_log.mailFrom }</td>
-									<td>${_log.mailTo }</td>
+									<td title="${fns:escapeHtml(_log.mailFrom)}">
+										${fns:stringFormat(_log.mailFrom,30)}
+									</td>
+									<td title="${fns:escapeHtml(_log.mailTo)}">
+										${fns:stringFormat(_log.mailTo,30)}
+									</td>
 									<td>${_log.subject }</td>
 									<td>
 										<a href="http://${_log.emlFile}" data-original-title="http://${_log.emlFile}" target="_blank"
@@ -229,7 +233,9 @@
 											<c:if test="${streamType.itemCode eq _log.streamDir}">${streamType.itemValue}</c:if>
 					                	</c:forEach>
 									</td>
-									<td>${_log.addrList }</td>
+									<td title="${fns:escapeHtml(_log.addrList)}">
+										${fns:stringFormat(_log.addrList,30)}
+									</td>
 									<td title="${_log.serverLocate}">${fns:abbr(_log.serverLocate,20)}</td>
 									<td title="${_log.clientLocate}">${fns:abbr(_log.clientLocate,20)}</td>
 								</tr>
diff --git a/src/main/webapp/WEB-INF/views/log/ntc/mmAvIpList.jsp b/src/main/webapp/WEB-INF/views/log/ntc/mmAvIpList.jsp
index a62cb07e5..9fbbd216b 100644
--- a/src/main/webapp/WEB-INF/views/log/ntc/mmAvIpList.jsp
+++ b/src/main/webapp/WEB-INF/views/log/ntc/mmAvIpList.jsp
@@ -214,7 +214,9 @@ $(document).ready(function(){
 											http://${fn:substring(log.logUri,0,20) }
 										</a>	
 									</td>
-									<td>${log.refer}</td>
+									<td title="${fns:escapeHtml(log.refer)}">
+										${fns:stringFormat(log.refer,30)}
+									</td>
 									<td>${log.level}</td>
 									<!--0：动态黑名单FD；1：静态配置FD；2：首次分析命中 -->
 									<td>
@@ -246,7 +248,9 @@ $(document).ready(function(){
 											<c:if test="${log.streamDir==dic.itemCode}"><spring:message code="${dic.itemValue }"/></c:if>
 				               			</c:forEach>
 									</td>
-									<td>${log.addrList}</td>
+									<td title="${fns:escapeHtml(log.addrList)}">
+										${fns:stringFormat(log.addrList,30)}
+									</td>
 									<td title="${log.serverLocate}">${fns:abbr(log.serverLocate,20)}</td>
 									<td title="${log.clientLocate}">${fns:abbr(log.clientLocate,20)}</td>
 								</tr>
diff --git a/src/main/webapp/WEB-INF/views/log/ntc/mmAvUrlList.jsp b/src/main/webapp/WEB-INF/views/log/ntc/mmAvUrlList.jsp
index b9683c774..32b935175 100644
--- a/src/main/webapp/WEB-INF/views/log/ntc/mmAvUrlList.jsp
+++ b/src/main/webapp/WEB-INF/views/log/ntc/mmAvUrlList.jsp
@@ -214,7 +214,9 @@ $(document).ready(function(){
 											http://${fn:substring(log.logUri,0,20) }
 										</a>	
 									</td>
-									<td>${log.refer}</td>
+									<td title="${fns:escapeHtml(log.refer)}">
+										${fns:stringFormat(log.refer,30)}
+									</td>
 									<td>${log.level}</td>
 									<!--0：动态黑名单FD；1：静态配置FD；2：首次分析命中 -->
 									<td>
@@ -246,7 +248,9 @@ $(document).ready(function(){
 											<c:if test="${log.streamDir==dic.itemCode}"><spring:message code="${dic.itemValue }"/></c:if>
 				               			</c:forEach>
 									</td>
-									<td>${log.addrList}</td>
+									<td title="${fns:escapeHtml(log.addrList)}">
+										${fns:stringFormat(log.addrList,30)}
+									</td>
 									<td title="${log.serverLocate}">${fns:abbr(log.serverLocate,20)}</td>
 									<td title="${log.clientLocate}">${fns:abbr(log.clientLocate,20)}</td>
 								</tr>
diff --git a/src/main/webapp/WEB-INF/views/log/ntc/mmVoipAccountList.jsp b/src/main/webapp/WEB-INF/views/log/ntc/mmVoipAccountList.jsp
index 46b33bbe2..34f7f308b 100644
--- a/src/main/webapp/WEB-INF/views/log/ntc/mmVoipAccountList.jsp
+++ b/src/main/webapp/WEB-INF/views/log/ntc/mmVoipAccountList.jsp
@@ -214,8 +214,12 @@ $(document).ready(function(){
 									
 									<td>${log.duation}</td>
 									<td>${log.voipProtocol}</td>
-									<td>${log.callingAccount}</td>
-									<td>${log.calledAccount}</td>
+									<td title="${fns:escapeHtml(log.callingAccount)}">
+										${fns:stringFormat(log.callingAccount,30)}
+									</td>
+									<td title="${fns:escapeHtml(log.calledAccount)}">
+										${fns:stringFormat(log.calledAccount,30)}
+									</td>
 									<td>${log.callingNumber}</td>
 									<td>${log.calledNumber}</td>
 									<td>${log.fromToStoreIp}</td>
@@ -259,7 +263,9 @@ $(document).ready(function(){
 											<c:if test="${log.streamDir==dic.itemCode}"><spring:message code="${dic.itemValue }"/></c:if>
 				               			</c:forEach>
 									</td>
-									<td>${log.addrList}</td>
+									<td title="${fns:escapeHtml(log.addrList)}">
+										${fns:stringFormat(log.addrList,30)}
+									</td>
 									<td>${log.serverLocate}</td>
 									<td>${log.clientLocate}</td>
 								</tr>
diff --git a/src/main/webapp/WEB-INF/views/log/ntc/mmVoipIpList.jsp b/src/main/webapp/WEB-INF/views/log/ntc/mmVoipIpList.jsp
index 01a9c1831..d63dc7594 100644
--- a/src/main/webapp/WEB-INF/views/log/ntc/mmVoipIpList.jsp
+++ b/src/main/webapp/WEB-INF/views/log/ntc/mmVoipIpList.jsp
@@ -214,8 +214,12 @@ $(document).ready(function(){
 									
 									<td>${log.duation}</td>
 									<td>${log.voipProtocol}</td>
-									<td>${log.callingAccount}</td>
-									<td>${log.calledAccount}</td>
+									<td title="${fns:escapeHtml(log.callingAccount)}">
+										${fns:stringFormat(log.callingAccount,30)}
+									</td>
+									<td title="${fns:escapeHtml(log.calledAccount)}">
+										${fns:stringFormat(log.calledAccount,30)}
+									</td>
 									<td>${log.callingNumber}</td>
 									<td>${log.calledNumber}</td>
 									<td>${log.fromToStoreIp}</td>
@@ -259,7 +263,9 @@ $(document).ready(function(){
 											<c:if test="${log.streamDir==dic.itemCode}"><spring:message code="${dic.itemValue }"/></c:if>
 				               			</c:forEach>
 									</td>
-									<td>${log.addrList}</td>
+									<td title="${fns:escapeHtml(log.addrList)}">
+										${fns:stringFormat(log.addrList,30)}
+									</td>
 									<td>${log.serverLocate}</td>
 									<td>${log.clientLocate}</td>
 								</tr>
diff --git a/src/main/webapp/WEB-INF/views/log/ntc/mmVoipList.jsp b/src/main/webapp/WEB-INF/views/log/ntc/mmVoipList.jsp
index 73df3d23a..be7597d88 100644
--- a/src/main/webapp/WEB-INF/views/log/ntc/mmVoipList.jsp
+++ b/src/main/webapp/WEB-INF/views/log/ntc/mmVoipList.jsp
@@ -224,8 +224,12 @@ $(document).ready(function(){
 									
 									<td>${log.duation}</td>
 									<td>${log.voipProtocol}</td>
-									<td>${log.callingAccount}</td>
-									<td>${log.calledAccount}</td>
+									<td title="${fns:escapeHtml(log.callingAccount)}">
+										${fns:stringFormat(log.callingAccount,30)}
+									</td>
+									<td title="${fns:escapeHtml(log.calledAccount)}">
+										${fns:stringFormat(log.calledAccount,30)}
+									</td>
 									<td>${log.callingNumber}</td>
 									<td>${log.calledNumber}</td>
 									<td>${log.fromToStoreIp}</td>
@@ -265,7 +269,9 @@ $(document).ready(function(){
 				               			</c:forEach>
 									</td>
 									<td>${log.capIp}</td>
-									<td>${log.addrList}</td>
+									<td title="${fns:escapeHtml(log.addrList)}">
+										${fns:stringFormat(log.addrList,30)}
+									</td>
 									<td>${log.userRegion}</td>
 								</tr>
 							</c:forEach>
diff --git a/src/main/webapp/WEB-INF/views/log/ntc/openVpnList.jsp b/src/main/webapp/WEB-INF/views/log/ntc/openVpnList.jsp
index 560ea74d5..4dd5c0c6d 100644
--- a/src/main/webapp/WEB-INF/views/log/ntc/openVpnList.jsp
+++ b/src/main/webapp/WEB-INF/views/log/ntc/openVpnList.jsp
@@ -202,8 +202,12 @@ $(document).ready(function(){
 									<td>${log.foundTime}</td>
 									<td>${log.entranceId}</td>
 									
-									<td>${log.version}</td>
-									<td>${log.encryptMode}</td>
+									<td title="${fns:escapeHtml(log.version)}">
+										${fns:stringFormat(log.version,30)}
+									</td>
+									<td title="${fns:escapeHtml(log.encryptMode)}">
+										${fns:stringFormat(log.encryptMode,30)}
+									</td>
 									<td>
 										<c:if test="${log.hmac==0}"><spring:message code="no"/></c:if>
 										<c:if test="${log.hmac==1}"><spring:message code="yes"/></c:if>
@@ -235,7 +239,9 @@ $(document).ready(function(){
 											<c:if test="${log.streamDir==dic.itemCode}"><spring:message code="${dic.itemValue }"/></c:if>
 				               			</c:forEach>
 									</td>
-									<td>${log.addrList}</td>
+									<td title="${fns:escapeHtml(log.addrList)}">
+										${fns:stringFormat(log.addrList,30)}
+									</td>
 									<td title="${log.serverLocate}">${fns:abbr(log.serverLocate,20)}</td>
 									<td title="${log.clientLocate}">${fns:abbr(log.clientLocate,20)}</td>
 								</tr>
diff --git a/src/main/webapp/WEB-INF/views/log/ntc/sshList.jsp b/src/main/webapp/WEB-INF/views/log/ntc/sshList.jsp
index a27a33a13..bd2f2486b 100644
--- a/src/main/webapp/WEB-INF/views/log/ntc/sshList.jsp
+++ b/src/main/webapp/WEB-INF/views/log/ntc/sshList.jsp
@@ -204,17 +204,21 @@ $(document).ready(function(){
 									<td>${log.foundTime}</td>
 									<td>${log.entranceId}</td>
 									
-									<td>${log.version}</td>
-									<td>${log.hostKey}</td>
-									<td>
-										<%-- ${log.hostCookie} --%>
-										<a href="javascript:;" data-original-title="${log.hostCookie}"
-										 class="tooltips" data-flag="false" data-html="true" data-placement="top">
-											${fns:abbr(log.hostCookie,20)}
-										</a>
+									<td title="${fns:escapeHtml(log.version)}">
+										${fns:stringFormat(log.version,30)}
+									</td>
+									<td title="${fns:escapeHtml(log.hostKey)}">
+										${fns:stringFormat(log.hostKey,30)}
+									</td>
+									<td title="${fns:escapeHtml(log.hostCookie)}">
+										${fns:stringFormat(log.hostCookie,30)}
+									</td>
+									<td title="${fns:escapeHtml(log.encryptMode)}">
+										${fns:stringFormat(log.encryptMode,30)}
+									</td>
+									<td title="${fns:escapeHtml(log.mac)}">
+										${fns:stringFormat(log.mac,30)}
 									</td>
-									<td>${log.encryptMode}</td>
-									<td>${log.mac}</td>
 									<td>
 										<c:if test="${log.tunnelType==1}">SSH</c:if>
 										<c:if test="${log.tunnelType==2}">SSHD</c:if>
@@ -243,7 +247,9 @@ $(document).ready(function(){
 											<c:if test="${log.streamDir==dic.itemCode}"><spring:message code="${dic.itemValue }"/></c:if>
 				               			</c:forEach>
 									</td>
-									<td>${log.addrList}</td>
+									<td title="${fns:escapeHtml(log.addrList)}">
+										${fns:stringFormat(log.addrList,30)}
+									</td>
 									<td title="${log.serverLocate}">${fns:abbr(log.serverLocate,20)}</td>
 									<td title="${log.clientLocate}">${fns:abbr(log.clientLocate,20)}</td>
 								</tr>