diff --git a/src/main/java/com/budwk/app/zhgh/activity/culture/controller/ActivityCultureInfoManageController.java b/src/main/java/com/budwk/app/zhgh/activity/culture/controller/ActivityCultureInfoManageController.java
index 488945d..aa1bbe8 100644
--- a/src/main/java/com/budwk/app/zhgh/activity/culture/controller/ActivityCultureInfoManageController.java
+++ b/src/main/java/com/budwk/app/zhgh/activity/culture/controller/ActivityCultureInfoManageController.java
@@ -10,7 +10,6 @@ import com.budwk.app.base.result.Result;
 import com.budwk.app.sys.models.Sys_home_activity;
 import com.budwk.app.zhgh.activity.basic.models.ActivityBasicSettings;
 import com.budwk.app.zhgh.activity.culture.models.ActivityTissue;
-import com.budwk.app.zhgh.activity.culture.models.ActivityTissuePerson;
 import com.budwk.app.zhgh.activity.culture.service.ActivityCultureService;
 import io.swagger.annotations.ApiOperation;
 import org.nutz.aop.interceptor.ioc.TransAop;
@@ -81,14 +80,18 @@ public class ActivityCultureInfoManageController {
         return Result.success();
     }
 
+    /**
+     * 删除指定文化活动及其关联流程。
+     *
+     * @param id 文化活动主表 ID，由活动列表当前行传入
+     * @return Result 成功响应，code 为 0；不返回业务数据
+     */
     @At
     @Aop(TransAop.READ_COMMITTED)
     @SLog(tag = "文化活动", msg = "删除了一条活动")
     @SaCheckPermission(value = {"activity.culture.infoManage.school", "activity.culture.infoManage.union", "activity.culture.infoManage.club"}, mode = SaMode.OR)
     public Result doDelete(@Valid String id) {
-        activityCultureService.delete(id);
-        activityCultureService.dao().clear(ActivityTissuePerson.class, Cnd.where(ActivityTissuePerson::getTissueId, "=", id));
-        activityCultureService.dao().delete(Sys_home_activity.class, id);
+        activityCultureService.doDeleteActivity(id);
         return Result.success();
     }
 
diff --git a/src/main/java/com/budwk/app/zhgh/activity/culture/service/ActivityCultureService.java b/src/main/java/com/budwk/app/zhgh/activity/culture/service/ActivityCultureService.java
index 8c38bed..124bb70 100644
--- a/src/main/java/com/budwk/app/zhgh/activity/culture/service/ActivityCultureService.java
+++ b/src/main/java/com/budwk/app/zhgh/activity/culture/service/ActivityCultureService.java
@@ -21,6 +21,13 @@ public interface ActivityCultureService extends BaseService<ActivityTissue> {
 
     void doEditActivity(ActivityTissue tissue);
 
+    /**
+     * 删除文化活动及关联的 WF 流程任务、实例；未发起流程时仅删除业务数据。
+     *
+     * @param id 文化活动主表 ID，同时作为 WF 流程的 businessNo
+     */
+    void doDeleteActivity(String id);
+
     Object pageData(PageForm page, String year, String name, String unionId, Integer activity_type);
 
     NutMap findOne(String id);
diff --git a/src/main/java/com/budwk/app/zhgh/activity/culture/service/impl/ActivityCultureServiceImpl.java b/src/main/java/com/budwk/app/zhgh/activity/culture/service/impl/ActivityCultureServiceImpl.java
index c56742b..9fc5161 100644
--- a/src/main/java/com/budwk/app/zhgh/activity/culture/service/impl/ActivityCultureServiceImpl.java
+++ b/src/main/java/com/budwk/app/zhgh/activity/culture/service/impl/ActivityCultureServiceImpl.java
@@ -5,6 +5,8 @@ import com.budwk.app.base.constant.RoleConstant;
 import com.budwk.app.base.model.Audit;
 import com.budwk.app.base.param.PageForm;
 import com.budwk.app.base.service.impl.BaseServiceImpl;
+import com.budwk.app.flow.engine.FlowEngine;
+import com.budwk.app.sys.models.Sys_home_activity;
 import com.budwk.app.web.commons.auth.utils.AuthUtil;
 import com.budwk.app.web.commons.auth.utils.SecurityUtil;
 import com.budwk.app.zhgh.activity.culture.models.ActivityTissue;
@@ -12,11 +14,13 @@ import com.budwk.app.zhgh.activity.culture.models.ActivityTissuePerson;
 import com.budwk.app.zhgh.activity.culture.service.ActivityCultureService;
 import com.budwk.app.zhgh.club.model.SysClub;
 import com.budwk.app.zhgh.club.service.SysClubService;
+import org.nutz.aop.interceptor.ioc.TransAop;
 import org.nutz.dao.Cnd;
 import org.nutz.dao.Dao;
 import org.nutz.dao.Sqls;
 import org.nutz.dao.sql.Sql;
 import org.nutz.dao.util.cri.SqlExpressionGroup;
+import org.nutz.ioc.aop.Aop;
 import org.nutz.ioc.loader.annotation.Inject;
 import org.nutz.ioc.loader.annotation.IocBean;
 import org.nutz.lang.Strings;
@@ -40,6 +44,9 @@ public class ActivityCultureServiceImpl extends BaseServiceImpl<ActivityTissue>
     @Inject
     private SysClubService sysClubService;
 
+    @Inject
+    private FlowEngine flowEngine;
+
     @Override
     public List<NutMap> getUnionData(String activityScopeGroupId) {
         if (StrUtil.isBlank(activityScopeGroupId)) {
@@ -74,6 +81,21 @@ public class ActivityCultureServiceImpl extends BaseServiceImpl<ActivityTissue>
     }
 
 
+    /**
+     * 在同一事务内删除活动、活动人员、首页活动展示及关联 WF 任务和实例。
+     *
+     * @param id 文化活动主表 ID，同时作为 WF 流程的 businessNo
+     */
+    @Override
+    @Aop(TransAop.READ_COMMITTED)
+    public void doDeleteActivity(String id) {
+        delete(id);
+        dao().clear(ActivityTissuePerson.class, Cnd.where(ActivityTissuePerson::getTissueId, "=", id));
+        dao().delete(Sys_home_activity.class, id);
+        // 复用其他“我的申请”页面的删除能力；无流程实例的校工会活动、草稿会直接跳过流程清理。
+        flowEngine.processInstanceService().deleteProcessInstanceByBusinessKey(id);
+    }
+
     @Override
     public void doEditActivity(ActivityTissue tissue) {
         update(tissue);