diff --git a/ruoyi-common/ruoyi-common-core/src/main/java/org/dromara/common/core/service/WorkflowService.java b/ruoyi-common/ruoyi-common-core/src/main/java/org/dromara/common/core/service/WorkflowService.java
index 706d357e7..8efeb76ef 100644
--- a/ruoyi-common/ruoyi-common-core/src/main/java/org/dromara/common/core/service/WorkflowService.java
+++ b/ruoyi-common/ruoyi-common-core/src/main/java/org/dromara/common/core/service/WorkflowService.java
@@ -20,7 +20,7 @@ public interface WorkflowService {
      * @param businessIds 业务id
      * @return 结果
      */
-    boolean deleteInstance(List<Long> businessIds);
+    boolean deleteInstance(List<String> businessIds);
 
     /**
      * 获取当前流程状态
diff --git a/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/controller/FlwInstanceController.java b/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/controller/FlwInstanceController.java
index c798dc5c2..56efbcc74 100644
--- a/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/controller/FlwInstanceController.java
+++ b/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/controller/FlwInstanceController.java
@@ -1,7 +1,9 @@
 package org.dromara.workflow.controller;
 
+import cn.hutool.core.convert.Convert;
 import lombok.RequiredArgsConstructor;
 import org.dromara.common.core.domain.R;
+import org.dromara.common.core.utils.StreamUtils;
 import org.dromara.common.idempotent.annotation.RepeatSubmit;
 import org.dromara.common.log.annotation.Log;
 import org.dromara.common.log.enums.BusinessType;
@@ -76,7 +78,7 @@ public class FlwInstanceController extends BaseController {
      */
     @DeleteMapping("/deleteByBusinessIds/{businessIds}")
     public R<Void> deleteByBusinessIds(@PathVariable List<Long> businessIds) {
-        return toAjax(flwInstanceService.deleteByBusinessIds(businessIds));
+        return toAjax(flwInstanceService.deleteByBusinessIds(StreamUtils.toList(businessIds, Convert::toStr)));
     }
 
     /**
diff --git a/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/IFlwInstanceService.java b/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/IFlwInstanceService.java
index 54ffe977e..814b89d0f 100644
--- a/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/IFlwInstanceService.java
+++ b/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/IFlwInstanceService.java
@@ -75,7 +75,7 @@ public interface IFlwInstanceService {
      * @param businessIds 业务id
      * @return 结果
      */
-    boolean deleteByBusinessIds(List<Long> businessIds);
+    boolean deleteByBusinessIds(List<String> businessIds);
 
     /**
      * 按照实例id删除流程实例
diff --git a/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/impl/FlwInstanceServiceImpl.java b/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/impl/FlwInstanceServiceImpl.java
index be6dfaf1a..ffa4216b3 100644
--- a/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/impl/FlwInstanceServiceImpl.java
+++ b/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/impl/FlwInstanceServiceImpl.java
@@ -181,8 +181,8 @@ public class FlwInstanceServiceImpl implements IFlwInstanceService {
      */
     @Override
     @Transactional(rollbackFor = Exception.class)
-    public boolean deleteByBusinessIds(List<Long> businessIds) {
-        List<FlowInstance> flowInstances = flowInstanceMapper.selectList(new LambdaQueryWrapper<FlowInstance>().in(FlowInstance::getBusinessId, StreamUtils.toList(businessIds, Convert::toStr)));
+    public boolean deleteByBusinessIds(List<String> businessIds) {
+        List<FlowInstance> flowInstances = flowInstanceMapper.selectList(new LambdaQueryWrapper<FlowInstance>().in(FlowInstance::getBusinessId, businessIds));
         if (CollUtil.isEmpty(flowInstances)) {
             log.warn("未找到对应的流程实例信息，无法执行删除操作。");
             return false;
diff --git a/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/impl/TestLeaveServiceImpl.java b/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/impl/TestLeaveServiceImpl.java
index a2dd9cec0..ec0be3ce4 100644
--- a/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/impl/TestLeaveServiceImpl.java
+++ b/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/impl/TestLeaveServiceImpl.java
@@ -18,6 +18,7 @@ import org.dromara.common.core.enums.BusinessStatusEnum;
 import org.dromara.common.core.exception.ServiceException;
 import org.dromara.common.core.service.WorkflowService;
 import org.dromara.common.core.utils.MapstructUtils;
+import org.dromara.common.core.utils.StreamUtils;
 import org.dromara.common.core.utils.StringUtils;
 import org.dromara.common.mybatis.core.domain.BaseEntity;
 import org.dromara.common.mybatis.core.page.PageQuery;
@@ -167,7 +168,7 @@ public class TestLeaveServiceImpl implements ITestLeaveService {
     @Override
     @Transactional(rollbackFor = Exception.class)
     public Boolean deleteWithValidByIds(List<Long> ids) {
-        workflowService.deleteInstance(ids);
+        workflowService.deleteInstance(StreamUtils.toList(ids, Convert::toStr));
         return baseMapper.deleteByIds(ids) > 0;
     }
 
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 8f8314060..6e174c2b4 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
@@ -46,7 +46,7 @@ public class WorkflowServiceImpl implements WorkflowService {
      * @return 结果
      */
     @Override
-    public boolean deleteInstance(List<Long> businessIds) {
+    public boolean deleteInstance(List<String> businessIds) {
         return flwInstanceService.deleteByBusinessIds(businessIds);
     }