diff --git a/das/src/main/java/com/das/modules/equipment/service/impl/SysIotModelServiceImpl.java b/das/src/main/java/com/das/modules/equipment/service/impl/SysIotModelServiceImpl.java
index 5707e1c7..18aed703 100644
--- a/das/src/main/java/com/das/modules/equipment/service/impl/SysIotModelServiceImpl.java
+++ b/das/src/main/java/com/das/modules/equipment/service/impl/SysIotModelServiceImpl.java
@@ -159,7 +159,7 @@ public class SysIotModelServiceImpl implements SysIotModelService {
         sysIotModelField.setRevision(1);
 
         if (sysIotModelFieldDto.getAttributeType() == 140) {
-            sysIotModelField.setDataType("int4");
+            sysIotModelField.setDataType("tinyint");
         }
 
         sysIotModelFieldMapper.insert(sysIotModelField);
@@ -178,7 +178,7 @@ public class SysIotModelServiceImpl implements SysIotModelService {
         sysIotModelField.setUpdatedBy(sysUserVo.getAccount());
         sysIotModelField.setAttributeCode(sysIotModelFieldDto.getAttributeCode().toLowerCase());
         if (sysIotModelFieldDto.getAttributeType() == 140) {
-            sysIotModelField.setDataType("int4");
+            sysIotModelField.setDataType("tinyint");
         }
         SysIotModelFieldVo sysIotModelFieldQuery = sysIotModelFieldMapper.selectByAttributeCode(sysIotModelFieldDto.getIotModelId(), sysIotModelFieldDto.getAttributeCode());
         if (!(sysIotModelFieldQuery == null)) {