diff --git a/kicc-platform/kicc-platform-biz/kicc-workflow-biz/src/main/java/com/cloud/kicc/workflow/config/JacksonConfig.java b/kicc-platform/kicc-platform-biz/kicc-workflow-biz/src/main/java/com/cloud/kicc/workflow/config/JacksonConfig.java
index b7fdeeae..dd871481 100644
--- a/kicc-platform/kicc-platform-biz/kicc-workflow-biz/src/main/java/com/cloud/kicc/workflow/config/JacksonConfig.java
+++ b/kicc-platform/kicc-platform-biz/kicc-workflow-biz/src/main/java/com/cloud/kicc/workflow/config/JacksonConfig.java
@@ -1,11 +1,8 @@
 package com.cloud.kicc.workflow.config;
 
-import cn.hutool.core.date.DatePattern;
 import com.cloud.kicc.common.core.jackson.KiccJavaTimeModule;
-import com.cloud.kicc.workflow.override.jackson2.ModelRepresentationMixin;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;
-import org.flowable.ui.modeler.model.ModelRepresentation;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
 import org.springframework.boot.autoconfigure.jackson.Jackson2ObjectMapperBuilderCustomizer;
 import org.springframework.context.annotation.Bean;
@@ -32,12 +29,8 @@ public class JacksonConfig {
         return builder -> {
             builder.locale(Locale.CHINA);
             builder.timeZone(TimeZone.getTimeZone(ZoneId.systemDefault()));
-            // 针对于Date类型,文本格式化,已经实现前端返回时间戳
-            builder.simpleDateFormat(DatePattern.NORM_DATETIME_PATTERN);
             // 解决返回给前端的Long类型数据失去精度,将Long转换为String
             builder.serializerByType(Long.class, ToStringSerializer.instance);
-            // 设置自定义的 Mixin 类
-            builder.mixIn(ModelRepresentation.class, ModelRepresentationMixin.class);
             // 针对于JDK新时间类,序列化时带有T的问题,自定义格式化字符串
             builder.modules(new KiccJavaTimeModule());
         };
diff --git a/kicc-platform/kicc-platform-biz/kicc-workflow-biz/src/main/java/com/cloud/kicc/workflow/override/jackson2/ModelRepresentationMixin.java b/kicc-platform/kicc-platform-biz/kicc-workflow-biz/src/main/java/com/cloud/kicc/workflow/override/jackson2/ModelRepresentationMixin.java
deleted file mode 100644
index 3065e978..00000000
--- a/kicc-platform/kicc-platform-biz/kicc-workflow-biz/src/main/java/com/cloud/kicc/workflow/override/jackson2/ModelRepresentationMixin.java
+++ /dev/null
@@ -1,28 +0,0 @@
-
-
-package com.cloud.kicc.workflow.override.jackson2;
-
-import com.fasterxml.jackson.annotation.JsonAutoDetect;
-import com.fasterxml.jackson.annotation.JsonFormat;
-import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
-
-import java.util.Date;
-
-/**
- *<p>
- * 序列化模型版本冲突修改时间戳
- *</p>
- *
- * @Author: wangxiang4
- * @Since: 2023/9/28
- */
-@JsonAutoDetect(fieldVisibility = JsonAutoDetect.Visibility.NONE,
-				getterVisibility = JsonAutoDetect.Visibility.PUBLIC_ONLY,
-				isGetterVisibility = JsonAutoDetect.Visibility.NONE)
-@JsonIgnoreProperties(ignoreUnknown = true)
-public abstract class ModelRepresentationMixin {
-
-	@JsonFormat(shape = JsonFormat.Shape.NUMBER)
-	abstract Date getLastUpdated();
-
-}