diff --git a/das/src/main/java/com/das/modules/data/service/impl/DataServiceImpl.java b/das/src/main/java/com/das/modules/data/service/impl/DataServiceImpl.java
index a6188c79..58ed550a 100644
--- a/das/src/main/java/com/das/modules/data/service/impl/DataServiceImpl.java
+++ b/das/src/main/java/com/das/modules/data/service/impl/DataServiceImpl.java
@@ -166,8 +166,11 @@ public class DataServiceImpl implements DataService {
         List<SnapshotValueQueryParam> deviceFieldList = param.getDevices();
         String interval = param.getInterval();
         Long offset = calculateRemainder(Long.parseLong(param.getStartTime()), interval);
-        String offsetSecond = offset/1000 + "s";
-        interval = interval + ","+offsetSecond;
+        if (offset != 0){
+            String offsetSecond = offset/1000 + "s";
+            interval = interval + ","+offsetSecond;
+        }
+
         System.out.println("不能被整除的部分 (毫秒): " + result);
         for (SnapshotValueQueryParam item : deviceFieldList) {
             //field分为高频和低频查询