diff --git a/cim-boot-server/libs/cim-server-sdk-netty-4.2.0.jar b/cim-boot-server/libs/cim-server-sdk-netty-4.2.0.jar
index 076378f..6a4c210 100644
Binary files a/cim-boot-server/libs/cim-server-sdk-netty-4.2.0.jar and b/cim-boot-server/libs/cim-server-sdk-netty-4.2.0.jar differ
diff --git a/cim-server-sdk/src/main/java/com/farsunset/cim/model/Message.java b/cim-server-sdk/src/main/java/com/farsunset/cim/model/Message.java
index d686e35..ad245a9 100644
--- a/cim-server-sdk/src/main/java/com/farsunset/cim/model/Message.java
+++ b/cim-server-sdk/src/main/java/com/farsunset/cim/model/Message.java
@@ -156,14 +156,14 @@ public class Message implements Serializable, Transportable,Cloneable {
 	public String toString() {
 		StringBuffer buffer = new StringBuffer();
 		buffer.append("#Message#").append("\n");
-		buffer.append("id:").append(id).append("\n");
-		buffer.append("action:").append(action).append("\n");
-		buffer.append("title:").append(title).append("\n");
-		buffer.append("content:").append(content).append("\n");
-		buffer.append("extra:").append(extra).append("\n");
-		buffer.append("sender:").append(sender).append("\n");
-		buffer.append("receiver:").append(receiver).append("\n");
-		buffer.append("format:").append(format).append("\n");
+		buffer.append("id       :").append(id).append("\n");
+		buffer.append("sender   :").append(sender).append("\n");
+		buffer.append("receiver :").append(receiver).append("\n");
+		buffer.append("action   :").append(action).append("\n");
+		buffer.append("content  :").append(content).append("\n");
+		buffer.append("format   :").append(format).append("\n");
+		buffer.append("extra    :").append(extra).append("\n");
+		buffer.append("title    :").append(title).append("\n");
 		buffer.append("timestamp:").append(timestamp);
 		return buffer.toString();
 	}
diff --git a/cim-server-sdk/src/main/java/com/farsunset/cim/model/ReplyBody.java b/cim-server-sdk/src/main/java/com/farsunset/cim/model/ReplyBody.java
index 20d5773..38e4611 100644
--- a/cim-server-sdk/src/main/java/com/farsunset/cim/model/ReplyBody.java
+++ b/cim-server-sdk/src/main/java/com/farsunset/cim/model/ReplyBody.java
@@ -119,13 +119,13 @@ public class ReplyBody implements Serializable, Transportable {
 	public String toString() {
 		StringBuilder builder = new StringBuilder();
 		builder.append("[ReplyBody]").append("\n");
-		builder.append("key:").append(this.getKey()).append("\n");
-		builder.append("timestamp:").append(timestamp).append("\n");
-		builder.append("code:").append(code).append("\n");
-
-		builder.append("data:{");
+		builder.append("key       :").append(this.getKey()).append("\n");
+		builder.append("code      :").append(code).append("\n");
+		builder.append("message   :").append(message).append("\n");
+		builder.append("timestamp :").append(timestamp).append("\n");
+		builder.append("data      :").append("\n{");
 		data.forEach((k, v) -> builder.append("\n").append(k).append(":").append(v));
-		builder.append("\n}");
+		builder.append(data.isEmpty() ? "" : "\n").append("}");
 
 		return builder.toString();
 	}
diff --git a/cim-server-sdk/src/main/java/com/farsunset/cim/model/SentBody.java b/cim-server-sdk/src/main/java/com/farsunset/cim/model/SentBody.java
index 5cd509d..9bf5b51 100644
--- a/cim-server-sdk/src/main/java/com/farsunset/cim/model/SentBody.java
+++ b/cim-server-sdk/src/main/java/com/farsunset/cim/model/SentBody.java
@@ -77,13 +77,11 @@ public class SentBody implements Serializable {
 	public String toString() {
 		StringBuilder builder = new StringBuilder();
 		builder.append("[SentBody]").append("\n");
-		builder.append("key:").append(key).append("\n");
-		builder.append("timestamp:").append(timestamp).append("\n");
-
-		builder.append("data:{");
+		builder.append("key       :").append(this.getKey()).append("\n");
+		builder.append("timestamp :").append(timestamp).append("\n");
+		builder.append("data      :").append("\n{");
 		data.forEach((k, v) -> builder.append("\n").append(k).append(":").append(v));
-		builder.append("\n}");
-
+		builder.append(data.isEmpty() ? "" : "\n").append("}");
 		return builder.toString();
 	}