diff --git a/dbOperate/elasticsearchHelper.go b/dbOperate/elasticsearchHelper.go
index 22d49ae..08d9921 100644
--- a/dbOperate/elasticsearchHelper.go
+++ b/dbOperate/elasticsearchHelper.go
@@ -281,10 +281,11 @@ func (the *ESHelper) BulkWriteRaws2Es(index string, raws []models.EsRaw, logIds
 %s
 `, index, _id, source)
 		body.WriteString(s)
-
-		if raw.IotaDevice == logIds[0] {
-			log.Printf("BulkWriteRaws2Es  标记设备数据 [%s] %s ", raw.IotaDevice, s)
-			logTag = true
+		if len(logIds) > 0 {
+			if raw.IotaDevice == logIds[0] {
+				log.Printf("BulkWriteRaws2Es  标记设备数据 [%s] %s ", raw.IotaDevice, s)
+				logTag = true
+			}
 		}
 	}
 	if logTag { //追踪数据