diff --git a/busi-back/busi-back-model/src/main/java/com/huatek/busi/entity/CwzzTemperature.java b/busi-back/busi-back-model/src/main/java/com/huatek/busi/entity/CwzzTemperature.java
index 89b76e2..034aaf9 100644
--- a/busi-back/busi-back-model/src/main/java/com/huatek/busi/entity/CwzzTemperature.java
+++ b/busi-back/busi-back-model/src/main/java/com/huatek/busi/entity/CwzzTemperature.java
@@ -38,7 +38,7 @@ public class CwzzTemperature extends Pojo implements Serializable  {
      * 监测数据组的数目
      */
     @FieldName("data_node_num")
-    private Integer dataNodeNum;
+    private BigDecimal dataNodeNum;
 
     /**
      * 在线监测装置的唯一标识（17 位码）