diff --git a/src/main/java/org/jetlinks/protocol/official/TopicPayload.java b/src/main/java/org/jetlinks/protocol/official/TopicPayload.java
index 7cc4956..4b0506a 100644
--- a/src/main/java/org/jetlinks/protocol/official/TopicPayload.java
+++ b/src/main/java/org/jetlinks/protocol/official/TopicPayload.java
@@ -2,11 +2,13 @@ package org.jetlinks.protocol.official;
 
 import lombok.AllArgsConstructor;
 import lombok.Getter;
+import lombok.NoArgsConstructor;
 import lombok.Setter;
 
 @Getter
 @Setter
-@AllArgsConstructor(staticName = "of") // FIXME 使用对象池,节省一丢丢内存?
+@AllArgsConstructor(staticName = "of")
+@NoArgsConstructor
 public class TopicPayload {
 
     private String topic;