diff --git a/aidmt-modules/aidmt-manage-ms/src/main/java/com/admin/contractor/mapper/WorkTicketMapper.java b/aidmt-modules/aidmt-manage-ms/src/main/java/com/admin/contractor/mapper/WorkTicketMapper.java
index e8a57df9..182a9c88 100644
--- a/aidmt-modules/aidmt-manage-ms/src/main/java/com/admin/contractor/mapper/WorkTicketMapper.java
+++ b/aidmt-modules/aidmt-manage-ms/src/main/java/com/admin/contractor/mapper/WorkTicketMapper.java
@@ -57,6 +57,10 @@ public interface WorkTicketMapper {
      */
     WorkTicket selectWorkTicketByProjectId(Long projectId);
 
+    List<Long> selectRelatedTicketIdsByProjectId(@Param("projectId") Long projectId,
+                                                 @Param("ticketType") String ticketType,
+                                                 @Param("excludeTicketId") Long excludeTicketId);
+
     /**
      * 根据项目ID列表查询工作票ID列表（级联删除工作计划时使用）
      */
diff --git a/aidmt-modules/aidmt-manage-ms/src/main/java/com/admin/contractor/service/impl/WorkPlanServiceImpl.java b/aidmt-modules/aidmt-manage-ms/src/main/java/com/admin/contractor/service/impl/WorkPlanServiceImpl.java
index a2f4c512..db2b39f3 100644
--- a/aidmt-modules/aidmt-manage-ms/src/main/java/com/admin/contractor/service/impl/WorkPlanServiceImpl.java
+++ b/aidmt-modules/aidmt-manage-ms/src/main/java/com/admin/contractor/service/impl/WorkPlanServiceImpl.java
@@ -575,8 +575,8 @@ public class WorkPlanServiceImpl implements IWorkPlanService {
         }
         String approver = SecurityUtils.getUsername();
         String approvalTime = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date());
-        // 审批通过，更新审批状态为1（已通过），项目状态改为已提交，实施状态设置为1（实施中）
-        return workPlanMapper.updateProjectStatusAndApproval(projectId, "1", "1", "1", approver, approvalTime, approvalComment);
+        // 审批通过，更新审批状态为1（已通过），项目状态改为已提交，实施状态设置为0（待实施）
+        return workPlanMapper.updateProjectStatusAndApproval(projectId, "1", "0", "1", approver, approvalTime, approvalComment);
     }
     
     @Override
diff --git a/aidmt-modules/aidmt-manage-ms/src/main/java/com/admin/contractor/service/impl/WorkTicketServiceImpl.java b/aidmt-modules/aidmt-manage-ms/src/main/java/com/admin/contractor/service/impl/WorkTicketServiceImpl.java
index 44c050b2..bc3cd18f 100644
--- a/aidmt-modules/aidmt-manage-ms/src/main/java/com/admin/contractor/service/impl/WorkTicketServiceImpl.java
+++ b/aidmt-modules/aidmt-manage-ms/src/main/java/com/admin/contractor/service/impl/WorkTicketServiceImpl.java
@@ -772,6 +772,7 @@ public class WorkTicketServiceImpl implements IWorkTicketService {
         processJsonFields(workTicket);
 
         workTicket.setCreateBy(SecurityUtils.getUsername());
+        cleanupRelatedTicketsBeforeSave(workTicket, workTicket.getProjectId());
         return workTicketMapper.insertWorkTicket(workTicket);
     }
 
@@ -787,9 +788,60 @@ public class WorkTicketServiceImpl implements IWorkTicketService {
         // 处理JSON字段
         processJsonFields(workTicket);
         workTicket.setUpdateBy(SecurityUtils.getUsername());
+        cleanupRelatedTicketsBeforeSave(workTicket, workTicket.getProjectId());
         return workTicketMapper.updateWorkTicket(workTicket);
     }
 
+    /**
+     * 保存前先清理同项目下旧工作票及其关联风险控制卡数据。
+     */
+    private void cleanupRelatedTicketsBeforeSave(WorkTicket workTicket, Long projectId) {
+        if (workTicket == null || projectId == null) {
+            return;
+        }
+        Long excludeTicketId = workTicket.getTicketId();
+        String ticketType = workTicket.getTicketType();
+        String dangerousOperationType = workTicket.getDangerousOperationType();
+        if (StringUtils.isEmpty(ticketType) && excludeTicketId != null) {
+            WorkTicket current = workTicketMapper.selectWorkTicketById(excludeTicketId);
+            if (current != null) {
+                ticketType = current.getTicketType();
+                if (StringUtils.isEmpty(dangerousOperationType)) {
+                    dangerousOperationType = current.getDangerousOperationType();
+                }
+            }
+        }
+        if (StringUtils.isEmpty(ticketType)) {
+            return;
+        }
+
+        List<Long> relatedTicketIds = workTicketMapper.selectRelatedTicketIdsByProjectId(
+            projectId, ticketType, excludeTicketId);
+        deleteTicketsWithRiskCards(relatedTicketIds);
+
+        // 业务要求：当危险作业类型为“不涉及”时，需额外删除同项目下关联的危险作业票。
+        if ("不涉及".equals(StringUtils.trim(dangerousOperationType))) {
+            List<Long> hazardousTicketIds = workTicketMapper.selectRelatedTicketIdsByProjectId(
+                projectId, "危险作业票", excludeTicketId);
+            deleteTicketsWithRiskCards(hazardousTicketIds);
+        }
+    }
+
+    private void deleteTicketsWithRiskCards(List<Long> ticketIds) {
+        if (ticketIds == null || ticketIds.isEmpty()) {
+            return;
+        }
+        if (riskControlCardService != null) {
+            for (Long ticketId : ticketIds) {
+                RiskControlCard card = riskControlCardService.selectRiskControlCardByTicketId(ticketId);
+                if (card != null && card.getCardId() != null) {
+                    riskControlCardService.deleteRiskControlCardById(card.getCardId());
+                }
+            }
+        }
+        workTicketMapper.deleteWorkTicketByIds(ticketIds.toArray(new Long[0]));
+    }
+
     /**
      * 批量删除工作票申请
      *
diff --git a/aidmt-modules/aidmt-manage-ms/src/main/resources/mapper/WorkTicketMapper.xml b/aidmt-modules/aidmt-manage-ms/src/main/resources/mapper/WorkTicketMapper.xml
index b2e6c1e6..c9c7eeff 100644
--- a/aidmt-modules/aidmt-manage-ms/src/main/resources/mapper/WorkTicketMapper.xml
+++ b/aidmt-modules/aidmt-manage-ms/src/main/resources/mapper/WorkTicketMapper.xml
@@ -113,6 +113,17 @@
         limit 1
     </select>
 
+    <select id="selectRelatedTicketIdsByProjectId" resultType="long">
+        select ticket_id
+        from work_ticket
+        where project_id = #{projectId}
+          and del_flag = '0'
+          and ticket_type = #{ticketType}
+        <if test="excludeTicketId != null">
+          and ticket_id != #{excludeTicketId}
+        </if>
+    </select>
+
     <select id="selectTicketIdsByProjectIds" resultType="long">
         select ticket_id
         from work_ticket