diff --git a/pom.xml b/pom.xml
index f07c4e6838..e1317e1240 100644
--- a/pom.xml
+++ b/pom.xml
@@ -24,7 +24,7 @@
 <!--        <module>yudao-module-crm</module>-->
 <!--        <module>yudao-module-erp</module>-->
 <!--        <module>yudao-module-ai</module>-->
-        <module>yudao-module-iot</module>
+<!--        <module>yudao-module-iot</module>-->
     </modules>
 
     <name>${project.artifactId}</name>
diff --git a/yudao-framework/yudao-common/src/main/java/cn/iocoder/yudao/framework/common/util/json/JsonUtils.java b/yudao-framework/yudao-common/src/main/java/cn/iocoder/yudao/framework/common/util/json/JsonUtils.java
index 1da94691bd..e35cd9b437 100644
--- a/yudao-framework/yudao-common/src/main/java/cn/iocoder/yudao/framework/common/util/json/JsonUtils.java
+++ b/yudao-framework/yudao-common/src/main/java/cn/iocoder/yudao/framework/common/util/json/JsonUtils.java
@@ -13,6 +13,7 @@ import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.SerializationFeature;
 import com.fasterxml.jackson.databind.module.SimpleModule;
 import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
+import lombok.Getter;
 import lombok.SneakyThrows;
 import lombok.extern.slf4j.Slf4j;
 
@@ -30,6 +31,7 @@ import java.util.List;
 @Slf4j
 public class JsonUtils {
 
+    @Getter
     private static ObjectMapper objectMapper = new ObjectMapper();
 
     static {
diff --git a/yudao-framework/yudao-spring-boot-starter-mybatis/src/main/java/cn/iocoder/yudao/framework/mybatis/config/YudaoMybatisAutoConfiguration.java b/yudao-framework/yudao-spring-boot-starter-mybatis/src/main/java/cn/iocoder/yudao/framework/mybatis/config/YudaoMybatisAutoConfiguration.java
index 77aba695a6..4cbb91c2cc 100644
--- a/yudao-framework/yudao-spring-boot-starter-mybatis/src/main/java/cn/iocoder/yudao/framework/mybatis/config/YudaoMybatisAutoConfiguration.java
+++ b/yudao-framework/yudao-spring-boot-starter-mybatis/src/main/java/cn/iocoder/yudao/framework/mybatis/config/YudaoMybatisAutoConfiguration.java
@@ -2,6 +2,7 @@ package cn.iocoder.yudao.framework.mybatis.config;
 
 import cn.hutool.core.collection.CollUtil;
 import cn.hutool.core.util.StrUtil;
+import cn.iocoder.yudao.framework.common.util.json.JsonUtils;
 import cn.iocoder.yudao.framework.mybatis.core.handler.DefaultDBFieldHandler;
 import com.baomidou.mybatisplus.annotation.DbType;
 import com.baomidou.mybatisplus.autoconfigure.MybatisPlusAutoConfiguration;
@@ -82,7 +83,11 @@ public class YudaoMybatisAutoConfiguration {
     @Bean
     public JacksonTypeHandler jacksonTypeHandler(List<ObjectMapper> objectMappers) {
         // 特殊：设置 JacksonTypeHandler 的 ObjectMapper！
-        JacksonTypeHandler.setObjectMapper(CollUtil.getFirst(objectMappers));
+        ObjectMapper objectMapper = CollUtil.getFirst(objectMappers);
+        if (objectMapper == null) {
+            objectMapper = JsonUtils.getObjectMapper();
+        }
+        JacksonTypeHandler.setObjectMapper(objectMapper);
         return new JacksonTypeHandler(Object.class);
     }
 
diff --git a/yudao-module-bpm/src/main/java/cn/iocoder/yudao/module/bpm/service/task/BpmProcessInstanceServiceImpl.java b/yudao-module-bpm/src/main/java/cn/iocoder/yudao/module/bpm/service/task/BpmProcessInstanceServiceImpl.java
index d2547fe601..c11690f942 100644
--- a/yudao-module-bpm/src/main/java/cn/iocoder/yudao/module/bpm/service/task/BpmProcessInstanceServiceImpl.java
+++ b/yudao-module-bpm/src/main/java/cn/iocoder/yudao/module/bpm/service/task/BpmProcessInstanceServiceImpl.java
@@ -958,7 +958,7 @@ public class BpmProcessInstanceServiceImpl implements BpmProcessInstanceService
             // 1.3.1 获取父流程实例 并标记为不通过
             Execution execution = runtimeService.createExecutionQuery().executionId(instance.getSuperExecutionId()).singleResult();
             ProcessInstance parentProcessInstance = getProcessInstance(execution.getProcessInstanceId());
-            updateProcessInstanceReject(parentProcessInstance, REJECT_CHILD_PROCESS.getReason());
+            updateProcessInstanceReject(parentProcessInstance, BpmReasonEnum.REJECT_CHILD_PROCESS.getReason());
 
             // 1.3.2 结束父流程。需要在子流程结束事务提交后执行
             TransactionSynchronizationManager.registerSynchronization(new TransactionSynchronization() {
@@ -969,7 +969,7 @@ public class BpmProcessInstanceServiceImpl implements BpmProcessInstanceService
                     if (ObjectUtil.equal(transactionStatus, TransactionSynchronization.STATUS_ROLLED_BACK)) {
                         return;
                     }
-                    taskService.moveTaskToEnd(parentProcessInstance.getId(),REJECT_CHILD_PROCESS.getReason());
+                    taskService.moveTaskToEnd(parentProcessInstance.getId(), BpmReasonEnum.REJECT_CHILD_PROCESS.getReason());
                 }
             });
         }
diff --git a/yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/controller/admin/ota/IotOtaTaskRecordController.java b/yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/controller/admin/ota/IotOtaTaskRecordController.java
index 81ccea9b98..60529bc491 100644
--- a/yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/controller/admin/ota/IotOtaTaskRecordController.java
+++ b/yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/controller/admin/ota/IotOtaTaskRecordController.java
@@ -1,5 +1,6 @@
 package cn.iocoder.yudao.module.iot.controller.admin.ota;
 
+4import cn.hutool.core.collection.CollUtil;
 import cn.iocoder.yudao.framework.common.pojo.CommonResult;
 import cn.iocoder.yudao.framework.common.pojo.PageResult;
 import cn.iocoder.yudao.framework.common.util.collection.MapUtils;
@@ -18,7 +19,6 @@ import io.swagger.v3.oas.annotations.Parameters;
 import io.swagger.v3.oas.annotations.tags.Tag;
 import jakarta.annotation.Resource;
 import jakarta.validation.Valid;
-import org.dromara.hutool.core.collection.CollUtil;
 import org.springframework.security.access.prepost.PreAuthorize;
 import org.springframework.validation.annotation.Validated;
 import org.springframework.web.bind.annotation.GetMapping;
diff --git a/yudao-module-iot/yudao-module-iot-gateway/src/main/resources/application.yaml b/yudao-module-iot/yudao-module-iot-gateway/src/main/resources/application.yaml
index 5f5cfbd559..322748d46d 100644
--- a/yudao-module-iot/yudao-module-iot-gateway/src/main/resources/application.yaml
+++ b/yudao-module-iot/yudao-module-iot-gateway/src/main/resources/application.yaml
@@ -48,7 +48,7 @@ yudao:
         # 针对引入的 HTTP 组件的配置
         # ====================================
         http:
-          enabled: false
+          enabled: true
           server-port: 8092
         # ====================================
         # 针对引入的 EMQX 组件的配置
diff --git a/yudao-server/pom.xml b/yudao-server/pom.xml
index 576454dce8..97ee0daf38 100644
--- a/yudao-server/pom.xml
+++ b/yudao-server/pom.xml
@@ -109,11 +109,11 @@
 <!--        </dependency>-->
 
         <!-- IoT 物联网相关模块。默认注释，保证编译速度 -->
-        <dependency>
-            <groupId>cn.iocoder.boot</groupId>
-            <artifactId>yudao-module-iot-biz</artifactId>
-            <version>${revision}</version>
-        </dependency>
+<!--        <dependency>-->
+<!--            <groupId>cn.iocoder.boot</groupId>-->
+<!--            <artifactId>yudao-module-iot-biz</artifactId>-->
+<!--            <version>${revision}</version>-->
+<!--        </dependency>-->
 
         <!-- spring boot 配置所需依赖 -->
         <dependency>