diff --git a/src/main/java/cn/lihongjie/coal/weightDeviceData/service/WeightDeviceDataService.java b/src/main/java/cn/lihongjie/coal/weightDeviceData/service/WeightDeviceDataService.java
index ee456377..931e1730 100644
--- a/src/main/java/cn/lihongjie/coal/weightDeviceData/service/WeightDeviceDataService.java
+++ b/src/main/java/cn/lihongjie/coal/weightDeviceData/service/WeightDeviceDataService.java
@@ -90,6 +90,15 @@ public class WeightDeviceDataService
     @SneakyThrows
     public List<Map> checkLocalData(CheckLocalDataRequest requst) {
 
+        if (requst.getStart()!=null && requst.getEnd()!=null){
+
+            // 不能超过32天
+            if (requst.getStart().plusDays(32).isBefore(requst.getEnd())){
+
+                throw new BizException("时间范围不能超过32天");
+            }
+        }
+
         List<WeightDeviceEntity> devices =
                 em.createQuery(
                                 " from WeightDeviceEntity  d where d.organizationId = :organizationId",