diff --git a/src/main/java/com/iot/modbus_rtcp/jobs/AutoCollectJobs.java b/src/main/java/com/iot/modbus_rtcp/jobs/AutoCollectJobs.java
index 3f45ccb..9d3ebfa 100644
--- a/src/main/java/com/iot/modbus_rtcp/jobs/AutoCollectJobs.java
+++ b/src/main/java/com/iot/modbus_rtcp/jobs/AutoCollectJobs.java
@@ -85,7 +85,7 @@ public class AutoCollectJobs {
         long timestamp = System.currentTimeMillis();
         List<Map<String, Object>> resultList = null;
         while (Objects.isNull(resultList) || resultList.size() >= pageSize) {
-            resultList = this.jdbcTemplate.queryForList(SQL + " LIMIT " + (pageIndex++) + "," + pageSize);
+            resultList = this.jdbcTemplate.queryForList(SQL + " LIMIT " + (pageIndex++ * pageSize) + ", " + pageSize);
             if (ObjectUtils.isEmpty(resultList)) {
                 continue;
             }