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 fd4c6c7..a8a6c00 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
@@ -58,6 +58,7 @@ import java.time.ZoneOffset;
 import java.time.format.DateTimeFormatter;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.concurrent.locks.ReentrantLock;
 
 @Slf4j
 public class IotDevicePowerOnAndOffDataJob {
@@ -82,6 +83,8 @@ public class IotDevicePowerOnAndOffDataJob {
                 return requestConfigBuilder;
             }));
 
+    private static final ReentrantLock lock = new ReentrantLock(true);
+
     /**
      * 当前索引日期后缀
      */
@@ -328,6 +331,7 @@ public class IotDevicePowerOnAndOffDataJob {
         GetIndexRequest exist = new GetIndexRequest(indicesName);
         // 先判断客户端是否存在
         try {
+            lock.lock();
             boolean exists = restHighLevelClient.indices().exists(exist, RequestOptions.DEFAULT);
             if (!exists) {
                 // 创建索引
@@ -387,6 +391,8 @@ public class IotDevicePowerOnAndOffDataJob {
             }
         } catch (Exception e) {
             e.printStackTrace();
+        }finally {
+            lock.unlock();
         }
     }
 }