diff --git a/.gitignore b/.gitignore
index 8452323..df9b316 100644
--- a/.gitignore
+++ b/.gitignore
@@ -37,3 +37,5 @@ buildNumber.properties
 .mvn/wrapper/maven-wrapper.jar
 
 /.idea
+*.iml
+
diff --git a/iot-device-power-on-and-off-data-job/src/main/java/com/qniao/iot/device/power/IotDevicePowerOnAndOffDataJob.java b/iot-device-power-on-and-off-data-job/src/main/java/com/qniao/iot/device/power/IotDevicePowerOnAndOffDataJob.java
index 49253a4..ddb26f1 100644
--- a/iot-device-power-on-and-off-data-job/src/main/java/com/qniao/iot/device/power/IotDevicePowerOnAndOffDataJob.java
+++ b/iot-device-power-on-and-off-data-job/src/main/java/com/qniao/iot/device/power/IotDevicePowerOnAndOffDataJob.java
@@ -147,7 +147,7 @@ public class IotDevicePowerOnAndOffDataJob {
 
                         ValueStateDescriptor<IotDevicePowerOnAndOffDataEvent> powerOnAndOffDataEventValue = new ValueStateDescriptor<>("powerOnAndOffDataEventValue",
                                 TypeInformation.of(IotDevicePowerOnAndOffDataEvent.class));
-                        // 设置状态值的过期时间，为了解决机器关机没有消息的情况
+                        // 设置状态值的过期时间，为了解决手动修改数据没有同步的问题
                         powerOnAndOffDataEventValue.enableTimeToLive(ttlConfig);
 
                         // 必须在 open 生命周期初始化