diff --git a/src/main/java/com/biutag/supervision/service/Warning/impl/WarningBusinessServiceImpl.java b/src/main/java/com/biutag/supervision/service/Warning/impl/WarningBusinessServiceImpl.java
index e9124af..103acd6 100644
--- a/src/main/java/com/biutag/supervision/service/Warning/impl/WarningBusinessServiceImpl.java
+++ b/src/main/java/com/biutag/supervision/service/Warning/impl/WarningBusinessServiceImpl.java
@@ -118,6 +118,7 @@ public class WarningBusinessServiceImpl implements WarningBusinessService {
     @Transactional(rollbackFor = Exception.class)
     public void save(WarningSaveRequest request) {
         UserAuth user = UserContextHolder.getCurrentUser();
+        validateWarningHandler(request.getReportId(), user);
 
         // 更新项目监督信息（由后端自动获取）
         ReportProject project = new ReportProject();
@@ -135,6 +136,7 @@ public class WarningBusinessServiceImpl implements WarningBusinessService {
     @Transactional(rollbackFor = Exception.class)
     public void submit(WarningSubmitRequest request) {
         UserAuth user = UserContextHolder.getCurrentUser();
+        validateWarningHandler(request.getReportId(), user);
 
         // 1. 更新项目监督信息（由后端自动获取）
         ReportProject project = new ReportProject();
@@ -185,6 +187,7 @@ public class WarningBusinessServiceImpl implements WarningBusinessService {
     @Transactional(rollbackFor = Exception.class)
     public void end(WarningEndRequest request) {
         UserAuth user = UserContextHolder.getCurrentUser();
+        validateWarningHandler(request.getReportId(), user);
 
         // 1. 更新项目状态（由后端自动获取预警监督人和时间）
         ReportProject project = new ReportProject();
@@ -594,6 +597,30 @@ public class WarningBusinessServiceImpl implements WarningBusinessService {
         return flows.isEmpty() ? null : flows.get(0).getId();
     }
 
+    /**
+     * 校验当前用户是否为预警待办处理人。
+     * 首次预警没有待处理流程时允许操作；存在待处理流程时，仅允许对应处理人操作。
+     */
+    private void validateWarningHandler(String reportId, UserAuth user) {
+        List<ReportFlow> pendingFlows = flowMapper.selectList(
+                new LambdaQueryWrapper<ReportFlow>()
+                        .eq(ReportFlow::getReportId, reportId)
+                        .eq(ReportFlow::getType, "warning")
+                        .eq(ReportFlow::getApproverState, FlowStateEnum.Start.getLabel())
+                        .orderByDesc(ReportFlow::getAreportTime)
+                        .last("LIMIT 1")
+        );
+        if (pendingFlows.isEmpty()) {
+            return;
+        }
+
+        ReportFlow pendingFlow = pendingFlows.get(0);
+        if (!StrUtil.equals(user.getUserName(), pendingFlow.getApproverId())) {
+            String handler = StrUtil.isBlank(pendingFlow.getApprover()) ? "其他人员" : pendingFlow.getApprover();
+            throw new RuntimeException("该项目当前由" + handler + "处理，请勿重复操作");
+        }
+    }
+
     /**
      * 保存预警内容
      */