diff --git a/src/main/java/com/dispose/pojo/dto/protocol/device/info/GetDeviceInfoRsp.java b/src/main/java/com/dispose/pojo/dto/protocol/device/info/GetDeviceInfoRsp.java
index 66c9d3f6..197ac6b2 100644
--- a/src/main/java/com/dispose/pojo/dto/protocol/device/info/GetDeviceInfoRsp.java
+++ b/src/main/java/com/dispose/pojo/dto/protocol/device/info/GetDeviceInfoRsp.java
@@ -1,6 +1,7 @@
 package com.dispose.pojo.dto.protocol.device.info;
 
 import com.dispose.pojo.dto.protocol.base.BaseRespStatus;
+import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonPropertyOrder;
 import lombok.AllArgsConstructor;
 import lombok.Builder;
@@ -21,6 +22,7 @@ import java.util.List;
 @NoArgsConstructor
 @AllArgsConstructor
 @JsonPropertyOrder({"items", "status", "message"})
+@JsonInclude(JsonInclude.Include.NON_NULL)
 public class GetDeviceInfoRsp extends BaseRespStatus {
     /**
      * The Items.
diff --git a/src/main/java/com/dispose/pojo/dto/protocol/task/TaskStopRsp.java b/src/main/java/com/dispose/pojo/dto/protocol/task/TaskStopRsp.java
index 47c865f7..63129daf 100644
--- a/src/main/java/com/dispose/pojo/dto/protocol/task/TaskStopRsp.java
+++ b/src/main/java/com/dispose/pojo/dto/protocol/task/TaskStopRsp.java
@@ -1,6 +1,7 @@
 package com.dispose.pojo.dto.protocol.task;
 
 import com.dispose.pojo.dto.protocol.base.BaseRespStatus;
+import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonPropertyOrder;
 import lombok.AllArgsConstructor;
 import lombok.Builder;
@@ -21,6 +22,7 @@ import java.util.List;
 @NoArgsConstructor
 @AllArgsConstructor
 @JsonPropertyOrder({"items", "status", "message"})
+@JsonInclude(JsonInclude.Include.NON_NULL)
 public class TaskStopRsp extends BaseRespStatus {
     /**
      * The Items.