diff --git a/iot-machine-state-event-generator-job/src/main/java/com/qniao/iot/machine/event/generator/job/IotMachineEventGeneratorJob.java b/iot-machine-state-event-generator-job/src/main/java/com/qniao/iot/machine/event/generator/job/IotMachineEventGeneratorJob.java
index b850a4f..cd477c5 100644
--- a/iot-machine-state-event-generator-job/src/main/java/com/qniao/iot/machine/event/generator/job/IotMachineEventGeneratorJob.java
+++ b/iot-machine-state-event-generator-job/src/main/java/com/qniao/iot/machine/event/generator/job/IotMachineEventGeneratorJob.java
@@ -137,6 +137,9 @@ public class IotMachineEventGeneratorJob {
 
                         Integer dataSource = value.getDataSource();
                         Integer machineWorkingStat = value.getMachineWorkingStat();
+                        if(machineWorkingStat == null) {
+                            return false;
+                        }
                         boolean bool = false;
                         if(dataSource != null) {
                             if(dataSource == 1) {
diff --git a/iot-machine-state-event-generator-job/src/test/java/Demo1.java b/iot-machine-state-event-generator-job/src/test/java/Demo1.java
index 5bd96c7..5627c12 100644
--- a/iot-machine-state-event-generator-job/src/test/java/Demo1.java
+++ b/iot-machine-state-event-generator-job/src/test/java/Demo1.java
@@ -8,7 +8,7 @@ public class Demo1 {
 
     public static void main(String[] args) {
 
-        long l = LocalDate.now().plus(-1, ChronoUnit.DAYS).atTime(LocalTime.MAX).atZone(ZoneId.systemDefault()).toInstant().toEpochMilli();
-        System.out.println(l);
+        int a = 3;
+        System.out.println(true);
     }
 }