diff --git a/cim_for_mina/cim-server-sdk/src/com/farsunset/cim/sdk/server/model/Message.java b/cim_for_mina/cim-server-sdk/src/com/farsunset/cim/sdk/server/model/Message.java
index 166b73a..c0d0108 100644
--- a/cim_for_mina/cim-server-sdk/src/com/farsunset/cim/sdk/server/model/Message.java
+++ b/cim_for_mina/cim-server-sdk/src/com/farsunset/cim/sdk/server/model/Message.java
@@ -1,204 +1,204 @@
-/**
- * probject:cim-server-sdk
- * @version 2.0.0
- * 
- * @author 3979434@qq.com
- */ 
-package com.farsunset.cim.sdk.server.model;
-
-import java.io.Serializable;
-/**
- * 消息对象
- */
-public class Message implements Serializable {
-
-	private static final long serialVersionUID = 1L;
-
-	
-	/**
-	 * 消息类型，用户自定义消息类别
-	 */
-	private String mid;
-	
-	
-	/**
-	 * 消息类型，用户自定义消息类别
-	 */
-	private String type;
-	/**
-	 * 消息标题
-	 */
-	private String title;
-	/**
-	 * 消息类容，于type 组合为任何类型消息，content 根据 format 可表示为 text,json ,xml数据格式
-	 */
-	private String content;
-
-	/**
-	 * 消息发送者账号
-	 */
-	private String sender;
-	/**
-	 * 消息发送者接收者
-	 */
-	private String receiver;
-
-	/**
-	 * 文件 url
-	 */
-	private String file;
-    /**
-     * 文件类型
-     */
-	private String fileType;
-
-	/**
-	 * content 内容格式
-	 */
-	private String format = "txt";
-
-	
-	private long timestamp;
-	
-	
-	public Message()
-	{
-		timestamp = System.currentTimeMillis();
-	}
-	public long getTimestamp() {
-		return timestamp;
-	}
-
-	public void setTimestamp(long timestamp) {
-		this.timestamp = timestamp;
-	}
-
-	public String getType() {
-		return type;
-	}
-
-	public void setType(String type) {
-		this.type = type;
-	}
-
-	public String getTitle() {
-		return title;
-	}
-
-	public void setTitle(String title) {
-		this.title = title;
-	}
-
-	public String getContent() {
-		return content;
-	}
-
-	public void setContent(String content) {
-		this.content = content;
-	}
-
-	public String getSender() {
-		return sender;
-	}
-
-	public void setSender(String sender) {
-		this.sender = sender;
-	}
-
-	public String getReceiver() {
-		return receiver;
-	}
-
-	public void setReceiver(String receiver) {
-		this.receiver = receiver;
-	}
-
-	public String getFile() {
-		return file;
-	}
-
-	public void setFile(String file) {
-		this.file = file;
-	}
-
-	public String getFileType() {
-		return fileType;
-	}
-
-	public void setFileType(String fileType) {
-		this.fileType = fileType;
-	}
-
-	public String getFormat() {
-		return format;
-	}
-
-	public void setFormat(String format) {
-		this.format = format;
-	}
-	
-	public String toString() {
-
-		StringBuffer buffer = new StringBuffer();
-		buffer.append("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
-		buffer.append("<message>");
-		buffer.append("<mid>").append(mid).append("</mid>");
-
-		if (isNotEmpty(type)) {
-			buffer.append("<type>").append(type).append("</type>");
-		}
-
-		if (isNotEmpty(title)) {
-			buffer.append("<title>").append(title).append("</title>");
-		}
-		if (isNotEmpty(content)) {
-			buffer.append("<content><![CDATA[").append(content).append("]]></content>");
-		}
-
-		if (isNotEmpty(file)) {
-			buffer.append("<file>").append(file).append("</file>");
-		}
-
-		if (isNotEmpty(fileType)) {
-			buffer.append("<fileType>").append(fileType).append("</fileType>");
-		}
-
-		if (isNotEmpty(sender)) {
-			buffer.append("<sender>").append(sender).append("</sender>");
-		}
-
-		if (isNotEmpty(receiver)) {
-			buffer.append("<receiver>").append(receiver).append("</receiver>");
-		}
-
-		if (isNotEmpty(format)) {
-			buffer.append("<format>").append(format).append("</format>");
-		}
-
-		if (timestamp > 0) {
-			buffer.append("<timestamp>").append(timestamp).append("</timestamp>");
-		}
-
-		buffer.append("</message>");
-		return buffer.toString();
-	}
-
-	public String toXmlString() {
-
-		return toString();
-	}
-
-	public String getMid() {
-		return mid;
-	}
-
-	public void setMid(String mid) {
-		this.mid = mid;
-	}
-
-	public boolean isNotEmpty(String txt) {
-		return txt != null && !txt.isEmpty();
-	}
-
-	
-}
+/**
+ * probject:cim-server-sdk
+ * @version 2.0.0
+ * 
+ * @author 3979434@qq.com
+ */ 
+package com.farsunset.cim.sdk.server.model;
+
+import java.io.Serializable;
+/**
+ * 消息对象
+ */
+public class Message implements Serializable {
+
+	private static final long serialVersionUID = 1L;
+
+	
+	/**
+	 * 消息类型，用户自定义消息类别
+	 */
+	private String mid;
+	
+	
+	/**
+	 * 消息类型，用户自定义消息类别
+	 */
+	private String type;
+	/**
+	 * 消息标题
+	 */
+	private String title;
+	/**
+	 * 消息类容，于type 组合为任何类型消息，content 根据 format 可表示为 text,json ,xml数据格式
+	 */
+	private String content;
+
+	/**
+	 * 消息发送者账号
+	 */
+	private String sender;
+	/**
+	 * 消息发送者接收者
+	 */
+	private String receiver;
+
+	/**
+	 * 文件 url
+	 */
+	private String file;
+    /**
+     * 文件类型
+     */
+	private String fileType;
+
+	/**
+	 * content 内容格式
+	 */
+	private String format = "txt";
+
+	
+	private long timestamp;
+	
+	
+	public Message()
+	{
+		timestamp = System.currentTimeMillis();
+	}
+	public long getTimestamp() {
+		return timestamp;
+	}
+
+	public void setTimestamp(long timestamp) {
+		this.timestamp = timestamp;
+	}
+
+	public String getType() {
+		return type;
+	}
+
+	public void setType(String type) {
+		this.type = type;
+	}
+
+	public String getTitle() {
+		return title;
+	}
+
+	public void setTitle(String title) {
+		this.title = title;
+	}
+
+	public String getContent() {
+		return content;
+	}
+
+	public void setContent(String content) {
+		this.content = content;
+	}
+
+	public String getSender() {
+		return sender;
+	}
+
+	public void setSender(String sender) {
+		this.sender = sender;
+	}
+
+	public String getReceiver() {
+		return receiver;
+	}
+
+	public void setReceiver(String receiver) {
+		this.receiver = receiver;
+	}
+
+	public String getFile() {
+		return file;
+	}
+
+	public void setFile(String file) {
+		this.file = file;
+	}
+
+	public String getFileType() {
+		return fileType;
+	}
+
+	public void setFileType(String fileType) {
+		this.fileType = fileType;
+	}
+
+	public String getFormat() {
+		return format;
+	}
+
+	public void setFormat(String format) {
+		this.format = format;
+	}
+	
+	public String toString() {
+
+		StringBuffer buffer = new StringBuffer();
+		buffer.append("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
+		buffer.append("<message>");
+		buffer.append("<mid>").append(mid).append("</mid>");
+
+		if (isNotEmpty(type)) {
+			buffer.append("<type>").append(type).append("</type>");
+		}
+
+		if (isNotEmpty(title)) {
+			buffer.append("<title>").append(title).append("</title>");
+		}
+		if (isNotEmpty(content)) {
+			buffer.append("<content><![CDATA[").append(content).append("]]></content>");
+		}
+
+		if (isNotEmpty(file)) {
+			buffer.append("<file>").append(file).append("</file>");
+		}
+
+		if (isNotEmpty(fileType)) {
+			buffer.append("<fileType>").append(fileType).append("</fileType>");
+		}
+
+		if (isNotEmpty(sender)) {
+			buffer.append("<sender>").append(sender).append("</sender>");
+		}
+
+		if (isNotEmpty(receiver)) {
+			buffer.append("<receiver>").append(receiver).append("</receiver>");
+		}
+
+		if (isNotEmpty(format)) {
+			buffer.append("<format>").append(format).append("</format>");
+		}
+
+		if (timestamp > 0) {
+			buffer.append("<timestamp>").append(timestamp).append("</timestamp>");
+		}
+
+		buffer.append("</message>");
+		return buffer.toString();
+	}
+
+	public String toXmlString() {
+
+		return toString();
+	}
+
+	public String getMid() {
+		return mid;
+	}
+
+	public void setMid(String mid) {
+		this.mid = mid;
+	}
+
+	public boolean isNotEmpty(String txt) {
+		return txt != null && txt.trim().length()>0;
+	}
+
+	
+}
\ No newline at end of file