diff --git a/weixin4j-server/src/main/java/com/foxinmy/weixin4j/dispatcher/WeixinMessageKey.java b/weixin4j-server/src/main/java/com/foxinmy/weixin4j/dispatcher/WeixinMessageKey.java
index 87b5cde0..f956244f 100644
--- a/weixin4j-server/src/main/java/com/foxinmy/weixin4j/dispatcher/WeixinMessageKey.java
+++ b/weixin4j-server/src/main/java/com/foxinmy/weixin4j/dispatcher/WeixinMessageKey.java
@@ -48,10 +48,10 @@ public class WeixinMessageKey implements Serializable {
 		result = prime * result
 				+ ((accountType == null) ? 0 : accountType.hashCode());
 		result = prime * result
-				+ ((ServerToolkits.hasText(eventType)) ? 0 : eventType.hashCode());
+				+ ((ServerToolkits.isBlank(eventType)) ? 0 : eventType.hashCode());
 		result = prime
 				* result
-				+ ((ServerToolkits.hasText(messageType)) ? 0 : messageType
+				+ ((ServerToolkits.isBlank(messageType)) ? 0 : messageType
 						.hashCode());
 		return result;
 	}
diff --git a/weixin4j-server/src/main/java/com/foxinmy/weixin4j/socket/WeixinMessageDecoder.java b/weixin4j-server/src/main/java/com/foxinmy/weixin4j/socket/WeixinMessageDecoder.java
index 435d7a4c..f9da994a 100644
--- a/weixin4j-server/src/main/java/com/foxinmy/weixin4j/socket/WeixinMessageDecoder.java
+++ b/weixin4j-server/src/main/java/com/foxinmy/weixin4j/socket/WeixinMessageDecoder.java
@@ -67,9 +67,9 @@ public class WeixinMessageDecoder extends
 				"weixin_id").get(0) : null;
 		AesToken aesToken = aesTokenMap.get(weixinId);
 		String encryptContent = null;
-		if (!ServerToolkits.hasText(messageContent)
+		if (!ServerToolkits.isBlank(messageContent)
 				&& encryptType == EncryptType.AES) {
-			if (ServerToolkits.hasText(aesToken.getAesKey())) {
+			if (ServerToolkits.isBlank(aesToken.getAesKey())) {
 				throw new WeixinException(
 						"AESEncodingKey not be null in AES mode");
 			}
diff --git a/weixin4j-server/src/main/java/com/foxinmy/weixin4j/socket/WeixinRequestHandler.java b/weixin4j-server/src/main/java/com/foxinmy/weixin4j/socket/WeixinRequestHandler.java
index e371d367..68f6ee0d 100644
--- a/weixin4j-server/src/main/java/com/foxinmy/weixin4j/socket/WeixinRequestHandler.java
+++ b/weixin4j-server/src/main/java/com/foxinmy/weixin4j/socket/WeixinRequestHandler.java
@@ -56,8 +56,8 @@ public class WeixinRequestHandler extends
 			throws WeixinException {
 		final AesToken aesToken = request.getAesToken();
 		if (aesToken == null
-				|| (ServerToolkits.hasText(request.getSignature()) && ServerToolkits
-						.hasText(request.getMsgSignature()))) {
+				|| (ServerToolkits.isBlank(request.getSignature()) && ServerToolkits
+						.isBlank(request.getMsgSignature()))) {
 			ctx.writeAndFlush(HttpUtil.createHttpResponse(BAD_REQUEST))
 					.addListener(ChannelFutureListener.CLOSE);
 			return;
@@ -67,14 +67,14 @@ public class WeixinRequestHandler extends
 		 * 企业号:无论Get,Post都带msg_signature参数
 		 **/
 		if (request.getMethod().equals(HttpMethod.GET.name())) {
-			if (!ServerToolkits.hasText(request.getSignature())
+			if (!ServerToolkits.isBlank(request.getSignature())
 					&& MessageUtil.signature(aesToken.getToken(),
 							request.getTimeStamp(), request.getNonce()).equals(
 							request.getSignature())) {
 				ctx.write(new SingleResponse(request.getEchoStr()));
 				return;
 			}
-			if (!ServerToolkits.hasText(request.getMsgSignature())
+			if (!ServerToolkits.isBlank(request.getMsgSignature())
 					&& MessageUtil.signature(aesToken.getToken(),
 							request.getTimeStamp(), request.getNonce(),
 							request.getEchoStr()).equals(
@@ -87,7 +87,7 @@ public class WeixinRequestHandler extends
 					.addListener(ChannelFutureListener.CLOSE);
 			return;
 		} else if (request.getMethod().equals(HttpMethod.POST.name())) {
-			if (!ServerToolkits.hasText(request.getSignature())
+			if (!ServerToolkits.isBlank(request.getSignature())
 					&& !MessageUtil.signature(aesToken.getToken(),
 							request.getTimeStamp(), request.getNonce()).equals(
 							request.getSignature())) {
diff --git a/weixin4j-server/src/main/java/com/foxinmy/weixin4j/util/ServerToolkits.java b/weixin4j-server/src/main/java/com/foxinmy/weixin4j/util/ServerToolkits.java
index d10235d2..3e5d2ecc 100644
--- a/weixin4j-server/src/main/java/com/foxinmy/weixin4j/util/ServerToolkits.java
+++ b/weixin4j-server/src/main/java/com/foxinmy/weixin4j/util/ServerToolkits.java
@@ -96,7 +96,7 @@ public final class ServerToolkits {
 	 * @param cs
 	 * @return
 	 */
-	public static boolean hasText(final CharSequence cs) {
+	public static boolean isBlank(final CharSequence cs) {
 		int strLen;
 		if (cs == null || (strLen = cs.length()) == 0) {
 			return true;
diff --git a/weixin4j-server/src/main/java/com/foxinmy/weixin4j/xml/MessageTransferHandler.java b/weixin4j-server/src/main/java/com/foxinmy/weixin4j/xml/MessageTransferHandler.java
index b054e34b..291209df 100644
--- a/weixin4j-server/src/main/java/com/foxinmy/weixin4j/xml/MessageTransferHandler.java
+++ b/weixin4j-server/src/main/java/com/foxinmy/weixin4j/xml/MessageTransferHandler.java
@@ -75,9 +75,9 @@ public class MessageTransferHandler extends DefaultHandler {
 		if (isQY) {
 			return AccountType.QY;
 		}
-		if (ServerToolkits.hasText(msgType) && ServerToolkits.hasText(eventType)) {
+		if (ServerToolkits.isBlank(msgType) && ServerToolkits.isBlank(eventType)) {
 			return null;
-		}
+		} 
 		return AccountType.MP;
 	}