diff --git a/src/org/redkale/convert/ConvertType.java b/src/org/redkale/convert/ConvertType.java
index 433908ca1..19f816e3e 100644
--- a/src/org/redkale/convert/ConvertType.java
+++ b/src/org/redkale/convert/ConvertType.java
@@ -28,9 +28,19 @@ public enum ConvertType {
         this.value = v;
     }
 
+    public int getValue() {
+        return value;
+    }
+
     public boolean contains(ConvertType type) {
         if (type == null) return false;
         return this.value >= type.value && (this.value & type.value) > 0;
     }
 
+    public static ConvertType find(int value) {
+        for (ConvertType t : ConvertType.values()) {
+            if (value == t.value) return t;
+        }
+        return null;
+    }
 }
diff --git a/src/org/redkale/mq/MessageRecord.java b/src/org/redkale/mq/MessageRecord.java
index 8ced08b72..d8cb714c8 100644
--- a/src/org/redkale/mq/MessageRecord.java
+++ b/src/org/redkale/mq/MessageRecord.java
@@ -21,48 +21,88 @@ import org.redkale.util.Comment;
  */
 public class MessageRecord implements Serializable {
 
+    public static final byte FORMAT_TEXT = 1;
+
+    public static final byte FORMAT_BINARY = 2;
+
+    @ConvertColumn(index = 1)
     @Comment("消息序列号")
     protected long seqid;
 
+    @ConvertColumn(index = 2)
+    @Comment("内容的格式")
+    protected byte format;
+
+    @ConvertColumn(index = 3)
     @Comment("标记位, 自定义时使用")
     protected int flag;
 
+    @ConvertColumn(index = 4)
     @Comment("用户ID，无用户信息视为0")
     protected int userid;
 
+    @ConvertColumn(index = 5)
     @Comment("组ID")
     protected String groupid;
 
+    @ConvertColumn(index = 6)
     @Comment("当前topic")
     protected String topic;
 
+    @ConvertColumn(index = 7)
     @Comment("目标topic, 为空表示无目标topic")
     protected String resptopic;
 
+    @ConvertColumn(index = 8)
     @Comment("消息内容")
     protected byte[] content;
 
     public MessageRecord() {
     }
 
+    public MessageRecord(String resptopic, String content) {
+        this(System.nanoTime(), content == null ? 0 : FORMAT_TEXT, 0, 0, null, null, resptopic, content == null ? null : content.getBytes(StandardCharsets.UTF_8));
+    }
+
+    public MessageRecord(String topic, String resptopic, String content) {
+        this(System.nanoTime(), content == null ? 0 : FORMAT_TEXT, 0, 0, null, topic, resptopic, content == null ? null : content.getBytes(StandardCharsets.UTF_8));
+    }
+
+    public MessageRecord(int userid, String topic, String resptopic, String content) {
+        this(System.nanoTime(), content == null ? 0 : FORMAT_TEXT, 0, userid, null, topic, resptopic, content == null ? null : content.getBytes(StandardCharsets.UTF_8));
+    }
+
+    public MessageRecord(byte format, String topic, String resptopic, byte[] content) {
+        this(System.nanoTime(), format, 0, 0, null, topic, resptopic, content);
+    }
+
+    public MessageRecord(long seqid, byte format, String topic, String resptopic, byte[] content) {
+        this(seqid, format, 0, null, topic, resptopic, content);
+    }
+
+    public MessageRecord(long seqid, byte format, int userid, String groupid, String topic, String resptopic, byte[] content) {
+        this(seqid, format, 0, userid, groupid, topic, resptopic, content);
+    }
+
     public MessageRecord(String topic, String resptopic, Convert convert, Object bean) {
-        this(System.nanoTime(), 0, 0, null, topic, resptopic, convert.convertToBytes(bean));
+        this(0, null, topic, resptopic, convert, bean);
     }
 
-    public MessageRecord(String topic, String resptopic, byte[] content) {
-        this(System.nanoTime(), 0, 0, null, topic, resptopic, content);
+    public MessageRecord(int userid, String topic, String resptopic, Convert convert, Object bean) {
+        this(userid, null, topic, resptopic, convert, bean);
     }
 
-    public MessageRecord(long seqid, String topic, String resptopic, byte[] content) {
-        this(seqid, 0, 0, null, topic, resptopic, content);
+    public MessageRecord(int userid, String groupid, String topic, String resptopic, Convert convert, Object bean) {
+        this(0, userid, groupid, topic, resptopic, convert, bean);
     }
 
-    public MessageRecord(long seqid, int userid, String groupid, String topic, String resptopic, byte[] content) {
-        this(seqid, 0, userid, groupid, topic, resptopic, content);
+    public MessageRecord(int flag, int userid, String groupid, String topic, String resptopic, Convert convert, Object bean) {
+        this(System.nanoTime(), convert instanceof TextConvert ? FORMAT_TEXT : FORMAT_BINARY, flag, userid, groupid, topic, resptopic, convert.convertToBytes(bean));
     }
 
-    public MessageRecord(long seqid, int flag, int userid, String groupid, String topic, String resptopic, byte[] content) {
+    public MessageRecord(long seqid, byte format, int flag, int userid, String groupid, String topic, String resptopic, byte[] content) {
         this.seqid = seqid;
+        this.format = format;
         this.flag = flag;
         this.userid = userid;
         this.groupid = groupid;
@@ -71,7 +111,7 @@ public class MessageRecord implements Serializable {
         this.content = content;
     }
 
-    public String contentUTF8String() {
+    public String contentString() {
         return content == null ? null : new String(content, StandardCharsets.UTF_8);
     }
 
@@ -85,6 +125,11 @@ public class MessageRecord implements Serializable {
         return this.resptopic == null || this.resptopic.isEmpty();
     }
 
+    public MessageRecord format(byte format) {
+        this.format = format;
+        return this;
+    }
+
     public MessageRecord flag(int flag) {
         this.flag = flag;
         return this;
@@ -115,7 +160,7 @@ public class MessageRecord implements Serializable {
         return this;
     }
 
-    public MessageRecord contentUTF8String(String content) {
+    public MessageRecord contentString(String content) {
         this.content = content == null ? null : content.getBytes(StandardCharsets.UTF_8);
         return this;
     }
@@ -128,6 +173,14 @@ public class MessageRecord implements Serializable {
         this.seqid = seqid;
     }
 
+    public byte getFormat() {
+        return format;
+    }
+
+    public void setFormat(byte format) {
+        this.format = format;
+    }
+
     public int getFlag() {
         return flag;
     }
@@ -178,7 +231,21 @@ public class MessageRecord implements Serializable {
 
     @Override
     public String toString() {
-        return JsonConvert.root().convertTo(this);
+        //return JsonConvert.root().convertTo(this);
+        StringBuilder sb = new StringBuilder(128);
+        sb.append("{\"seqid\":").append(this.seqid);
+        if (this.format != 0) sb.append(",\"format\":").append(this.format);
+        if (this.flag != 0) sb.append(",\"flag\":").append(this.flag);
+        if (this.userid != 0) sb.append(",\"userid\":").append(this.userid);
+        if (this.groupid != null) sb.append(",\"groupid\":\"").append(this.groupid).append("\"");
+        if (this.topic != null) sb.append(",\"topic\":\"").append(this.topic).append("\"");
+        if (this.resptopic != null) sb.append(",\"resptopic\":\"").append(this.resptopic).append("\"");
+        if (this.content != null) sb.append(",\"content\":").append(this.format == FORMAT_TEXT ? ("\"" + new String(this.content, StandardCharsets.UTF_8) + "\"") : JsonConvert.root().convertTo(this.content));
+        sb.append("}");
+        return sb.toString();
     }
 
+    public static void main(String[] args) throws Throwable {
+        System.out.println(new MessageRecord(333, FORMAT_TEXT, 2, 3, null, "tt", null, "xxx".getBytes()));
+    }
 }