diff --git a/ruoyi-common/ruoyi-common-core/src/main/java/org/dromara/common/core/domain/dto/FlowInstanceBizExtDTO.java b/ruoyi-common/ruoyi-common-core/src/main/java/org/dromara/common/core/domain/dto/FlowInstanceBizExtDTO.java
new file mode 100644
index 000000000..d22937bc6
--- /dev/null
+++ b/ruoyi-common/ruoyi-common-core/src/main/java/org/dromara/common/core/domain/dto/FlowInstanceBizExtDTO.java
@@ -0,0 +1,45 @@
+package org.dromara.common.core.domain.dto;
+
+import lombok.Data;
+
+import java.io.Serial;
+import java.io.Serializable;
+
+/**
+ * 流程实例业务扩展对象
+ *
+ * @author may
+ * @date 2025-08-05
+ */
+@Data
+public class FlowInstanceBizExtDTO implements Serializable {
+
+    @Serial
+    private static final long serialVersionUID = 1L;
+
+    /**
+     * 主键
+     */
+    private Long id;
+
+    /**
+     * 流程实例ID
+     */
+    private Long instanceId;
+
+    /**
+     * 业务ID
+     */
+    private String businessId;
+
+    /**
+     * 业务编码
+     */
+    private String businessCode;
+
+    /**
+     * 业务标题
+     */
+    private String businessTitle;
+
+}
diff --git a/ruoyi-common/ruoyi-common-core/src/main/java/org/dromara/common/core/domain/dto/StartProcessDTO.java b/ruoyi-common/ruoyi-common-core/src/main/java/org/dromara/common/core/domain/dto/StartProcessDTO.java
index a6d4cb3a8..fa3565789 100644
--- a/ruoyi-common/ruoyi-common-core/src/main/java/org/dromara/common/core/domain/dto/StartProcessDTO.java
+++ b/ruoyi-common/ruoyi-common-core/src/main/java/org/dromara/common/core/domain/dto/StartProcessDTO.java
@@ -1,6 +1,7 @@
 package org.dromara.common.core.domain.dto;
 
 
+import cn.hutool.core.util.ObjectUtil;
 import lombok.Data;
 
 import java.io.Serial;
@@ -40,6 +41,11 @@ public class StartProcessDTO implements Serializable {
      */
     private Map<String, Object> variables;
 
+    /**
+     * 流程业务扩展信息
+     */
+    private FlowInstanceBizExtDTO bizExt;
+
     public Map<String, Object> getVariables() {
         if (variables == null) {
             return new HashMap<>(16);
@@ -47,4 +53,11 @@ public class StartProcessDTO implements Serializable {
         variables.entrySet().removeIf(entry -> Objects.isNull(entry.getValue()));
         return variables;
     }
+
+    public FlowInstanceBizExtDTO getBizExt() {
+        if (ObjectUtil.isNull(bizExt)) {
+            bizExt = new FlowInstanceBizExtDTO();
+        }
+        return bizExt;
+    }
 }
diff --git a/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/impl/WorkflowServiceImpl.java b/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/impl/WorkflowServiceImpl.java
index 6ef0c3ef2..8f8314060 100644
--- a/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/impl/WorkflowServiceImpl.java
+++ b/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/impl/WorkflowServiceImpl.java
@@ -12,6 +12,7 @@ import org.dromara.common.core.utils.StringUtils;
 import org.dromara.warm.flow.orm.entity.FlowInstance;
 import org.dromara.workflow.common.ConditionalOnEnable;
 import org.dromara.workflow.common.enums.MessageTypeEnum;
+import org.dromara.workflow.domain.FlowInstanceBizExt;
 import org.dromara.workflow.domain.bo.CompleteTaskBo;
 import org.dromara.workflow.domain.bo.StartProcessBo;
 import org.dromara.workflow.service.IFlwDefinitionService;
@@ -166,6 +167,7 @@ public class WorkflowServiceImpl implements WorkflowService {
             processBo.setFlowCode(startProcess.getFlowCode());
             processBo.setVariables(startProcess.getVariables());
             processBo.setHandler(startProcess.getHandler());
+            processBo.setBizExt(BeanUtil.toBean(startProcess.getBizExt(), FlowInstanceBizExt.class));
 
             StartProcessReturnDTO result = flwTaskService.startWorkFlow(processBo);
             CompleteTaskBo taskBo = new CompleteTaskBo();