diff --git a/api/middleware/schedule/deviceWorkStatusNotifier.js b/api/middleware/schedule/deviceWorkStatusNotifier.js
index 9ac1e17..cf54023 100644
--- a/api/middleware/schedule/deviceWorkStatusNotifier.js
+++ b/api/middleware/schedule/deviceWorkStatusNotifier.js
@@ -93,7 +93,7 @@ class DeviceWorkStatusNotifier {
                     commandType: cmd.command_type || cmd.type || '',
                     commandParams: cmd.command_params || cmd.params || {}
                 };
-            } 
+            }
             // 如果有当前执行的任务，显示任务状态
             else if (taskStatusSummary.currentTask) {
                 const task = taskStatusSummary.currentTask;
@@ -109,6 +109,11 @@ class DeviceWorkStatusNotifier {
                 };
             }
 
+            // 如果有等待消息（投递间隔等待等），添加到工作状态
+            if (options.waitingMessage) {
+                workStatus.waitingMessage = options.waitingMessage;
+            }
+
             // 格式化显示文案（服务端统一处理，客户端直接显示）
             workStatus.displayText = this._formatDisplayText(workStatus);
             
@@ -141,24 +146,37 @@ class DeviceWorkStatusNotifier {
             // 通过MQTT发布设备工作状态
             // 主题格式: device_work_status_{sn_code}
             const topic = `device_work_status_${sn_code}`;
-            const message = JSON.stringify({
+            const messagePayload = {
                 action: 'device_work_status',
                 data: workStatus,
                 timestamp: new Date().toISOString()
-            });
+            };
+            const message = JSON.stringify(messagePayload);
 
             await mqttClient.publish(topic, message);
-            
+
             // 输出详细日志
+            console.log(`[设备工作状态] 已推送到 ${sn_code}:`);
+            console.log(`  - Topic: ${topic}`);
+            console.log(`  - 显示文本: ${workStatus.displayText}`);
+
             if (workStatus.currentActivity) {
                 const activity = workStatus.currentActivity;
-                const activityInfo = activity.type === 'command' 
-                    ? `指令[${activity.name}]` 
+                const activityInfo = activity.type === 'command'
+                    ? `指令[${activity.name}]`
                     : `任务[${activity.name}]`;
-                console.log(`[设备工作状态] 已推送到 ${sn_code}: ${activityInfo} - ${workStatus.displayText}`);
+                console.log(`  - 当前活动: ${activityInfo}`);
             } else {
-                console.log(`[设备工作状态] 已推送到 ${sn_code}: ${workStatus.displayText}`);
+                console.log(`  - 当前活动: 无`);
             }
+
+            if (workStatus.waitingMessage) {
+                console.log(`  - 等待消息: ${workStatus.waitingMessage.message}`);
+            }
+
+            console.log(`  - 待执行: ${workStatus.pendingQueue.totalCount}个`);
+            console.log(`  - 下次执行: ${workStatus.pendingQueue.nextExecuteTimeText}`);
+            console.log(`  - 消息大小: ${message.length} 字节`);
         } catch (error) {
             // 通知失败不影响任务执行，只记录日志
             console.warn(`[设备工作状态] 推送失败:`, error.message);
@@ -235,7 +253,7 @@ class DeviceWorkStatusNotifier {
      */
     _formatDisplayText(workStatus) {
         const parts = [];
-        
+
         // 当前活动
         if (workStatus.currentActivity) {
             const activity = workStatus.currentActivity;
@@ -269,13 +287,18 @@ class DeviceWorkStatusNotifier {
         } else {
             parts.push('当前活动: 无');
         }
-        
+
+        // 如果有等待消息，添加到显示文本
+        if (workStatus.waitingMessage) {
+            parts.push(workStatus.waitingMessage.message);
+        }
+
         // 待执行数量
         parts.push(`待执行: ${workStatus.pendingQueue.totalCount}个`);
-        
+
         // 下次执行时间
         parts.push(`下次执行: ${workStatus.pendingQueue.nextExecuteTimeText || '暂无'}`);
-        
+
         return parts.join(' | ');
     }
 }
diff --git a/api/middleware/schedule/scheduledJobs.js b/api/middleware/schedule/scheduledJobs.js
index c2189b8..080f0c8 100644
--- a/api/middleware/schedule/scheduledJobs.js
+++ b/api/middleware/schedule/scheduledJobs.js
@@ -572,7 +572,35 @@ class ScheduledJobs {
                     
                     if (elapsedTime < interval_ms) {
                         const remainingMinutes = Math.ceil((interval_ms - elapsedTime) / (60 * 1000));
-                        console.log(`[自动投递] 设备 ${userData.sn_code} 距离上次投递仅 ${Math.round(elapsedTime / (60 * 1000))} 分钟，还需等待 ${remainingMinutes} 分钟（间隔: ${deliver_interval} 分钟）`);
+                        const elapsedMinutes = Math.round(elapsedTime / (60 * 1000));
+                        const message = `距离上次投递仅 ${elapsedMinutes} 分钟，还需等待 ${remainingMinutes} 分钟（间隔: ${deliver_interval} 分钟）`;
+                        console.log(`[自动投递] 设备 ${userData.sn_code} ${message}`);
+
+                        // 推送等待状态到客户端
+                        try {
+                            const deviceWorkStatusNotifier = require('./deviceWorkStatusNotifier');
+
+                            // 获取当前任务状态摘要
+                            const taskStatusSummary = this.taskQueue ? this.taskQueue.getTaskStatusSummary(userData.sn_code) : {
+                                sn_code: userData.sn_code,
+                                pendingCount: 0,
+                                totalPendingCount: 0,
+                                pendingTasks: []
+                            };
+
+                            // 添加等待消息到工作状态
+                            await deviceWorkStatusNotifier.sendDeviceWorkStatus(userData.sn_code, taskStatusSummary, {
+                                waitingMessage: {
+                                    type: 'deliver_interval',
+                                    message: message,
+                                    remainingMinutes: remainingMinutes,
+                                    nextDeliverTime: new Date(lastDeliverTime.getTime() + interval_ms).toISOString()
+                                }
+                            });
+                        } catch (pushError) {
+                            console.warn(`[自动投递] 推送等待消息失败:`, pushError.message);
+                        }
+
                         continue;
                     }
                 }