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 efa7e72..3b98522 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
@@ -12,7 +12,6 @@ import com.qniao.iot.machine.event.MachineIotDataReceivedEventKafkaDeserializati
 import com.qniao.iot.machine.event.MachineIotDataReceivedEventRabbitMqSerializationSchema;
 import com.qniao.iot.machine.event.generator.config.ApolloConfig;
 import com.qniao.iot.machine.event.generator.constant.ConfigConstant;
-import com.qniao.iot.rc.constant.DataSource;
 import com.rabbitmq.client.AMQP;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.flink.api.common.eventtime.WatermarkStrategy;