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 8e8a26e2..cf7615c3 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
@@ -81,7 +81,7 @@ public class SysIotModelServiceImpl implements SysIotModelService {
         addModelCache(sysIotModel);
         SysIotModelVo sysIotModelVo = new SysIotModelVo();
         BeanCopyUtils.copy(sysIotModel, sysIotModelVo);
-        sysIotModelVo.setIotModelCode(sysIotModelDto.getIotModelCode().toLowerCase());
+        sysIotModelVo.setIotModelCode(sysIotModelDto.getIotModelCode());
         return sysIotModelVo;
     }
 
@@ -102,7 +102,7 @@ public class SysIotModelServiceImpl implements SysIotModelService {
         }
         sysIotModel.setUpdatedTime(new Date());
         sysIotModel.setUpdatedBy(sysUserVo.getAccount());
-        sysIotModel.setIotModelCode(sysIotModelDto.getIotModelCode().toLowerCase());
+        sysIotModel.setIotModelCode(sysIotModelDto.getIotModelCode());
         sysIotModelMapper.updateById(sysIotModel);
         SysIotModelVo sysIotModelVo = new SysIotModelVo();
         BeanCopyUtils.copy(sysIotModel, sysIotModelVo);
@@ -183,7 +183,7 @@ public class SysIotModelServiceImpl implements SysIotModelService {
         addModelFieldCache(sysIotModelField);
         SysIotModelFieldVo sysIotModelFieldVo = new SysIotModelFieldVo();
         BeanCopyUtils.copy(sysIotModelField, sysIotModelFieldVo);
-        sysIotModelFieldVo.setAttributeCode(sysIotModelFieldDto.getAttributeCode().toLowerCase());
+        sysIotModelFieldVo.setAttributeCode(sysIotModelFieldDto.getAttributeCode());
         return sysIotModelFieldVo;
     }
 
@@ -194,7 +194,7 @@ public class SysIotModelServiceImpl implements SysIotModelService {
         SysUserVo sysUserVo = (SysUserVo) StpUtil.getTokenSession().get(SessionUtil.SESSION_USER_KEY);
         sysIotModelField.setUpdatedTime(new Date());
         sysIotModelField.setUpdatedBy(sysUserVo.getAccount());
-        sysIotModelField.setAttributeCode(sysIotModelFieldDto.getAttributeCode().toLowerCase());
+        sysIotModelField.setAttributeCode(sysIotModelFieldDto.getAttributeCode());
         if (sysIotModelFieldDto.getAttributeType() == 140) {
             sysIotModelField.setDataType("tinyint");
         }
@@ -257,7 +257,7 @@ public class SysIotModelServiceImpl implements SysIotModelService {
         sysIotModelServiceMapper.insert(sysIotModelServices);
         SysIotModelServiceVo sysIotModelServiceVo = new SysIotModelServiceVo();
         BeanCopyUtils.copy(sysIotModelServices, sysIotModelServiceVo);
-        sysIotModelServiceVo.setServiceCode(sysIotModelServiceDto.getServiceCode().toLowerCase());
+        sysIotModelServiceVo.setServiceCode(sysIotModelServiceDto.getServiceCode());
         return sysIotModelServiceVo;
     }
 
@@ -268,7 +268,7 @@ public class SysIotModelServiceImpl implements SysIotModelService {
         SysUserVo sysUserVo = (SysUserVo) StpUtil.getTokenSession().get(SessionUtil.SESSION_USER_KEY);
         sysIotModelServices.setUpdatedTime(new Date());
         sysIotModelServices.setUpdatedBy(sysUserVo.getAccount());
-        sysIotModelServices.setServiceCode(sysIotModelServiceDto.getServiceCode().toLowerCase());
+        sysIotModelServices.setServiceCode(sysIotModelServiceDto.getServiceCode());
 
         SysIotModelServiceVo sysIotModelServiceQuery = sysIotModelServiceMapper.selectByServiceCode(sysIotModelServiceDto.getIotModelId(), sysIotModelServiceDto.getServiceCode());
         if (!(sysIotModelServiceQuery == null)) {
@@ -362,7 +362,7 @@ public class SysIotModelServiceImpl implements SysIotModelService {
         for (List<Object> row : list) {
             // 遍历sheet页中记录，构造需要导入的对象
             SysIotModelServices services = new SysIotModelServices();
-            services.setServiceCode(row.get(3).toString().toLowerCase());
+            services.setServiceCode(row.get(3).toString());
             services.setServiceName(row.get(4).toString());
             services.setServiceType(Integer.valueOf(row.get(5).toString()));
             services.setPorder(Integer.valueOf(row.get(6).toString()));
@@ -504,7 +504,7 @@ public class SysIotModelServiceImpl implements SysIotModelService {
         if (!allNotEmpty) {
             throw new ServiceException("字段不可为空，请检查excel文件{}" + row);
         }
-        field.setAttributeCode(row.get(3).toString().toLowerCase());
+        field.setAttributeCode(row.get(3).toString());
         field.setAttributeName(row.get(4).toString());
         field.setAttributeType(Integer.valueOf(row.get(5).toString()));
         //row6,8,10 转换前校验
diff --git a/das/src/main/java/com/das/modules/node/service/TDEngineService.java b/das/src/main/java/com/das/modules/node/service/TDEngineService.java
index d61ae709..0e656c62 100644
--- a/das/src/main/java/com/das/modules/node/service/TDEngineService.java
+++ b/das/src/main/java/com/das/modules/node/service/TDEngineService.java
@@ -462,7 +462,7 @@ public class TDEngineService {
                         List<Long> timeList = new ArrayList<>();
                         timeList.add(rs.getTimestamp(1).getTime());
                         List<Object> valueList = new ArrayList<>();
-                        valueList.add(rs.getObject(fieldList.get(i)));
+                        valueList.add(rs.getObject(fieldList.get(i).toLowerCase()));
                         map.put("times",timeList);
                         map.put("values",valueList);
                         valueMap.put(fieldList.get(i),map);
@@ -471,7 +471,7 @@ public class TDEngineService {
                         List<Long> times = (List<Long>) map.get("times");
                         List<Object> values = (List<Object>) map.get("values");
                         times.add(rs.getTimestamp(1).getTime());
-                        values.add(rs.getObject(fieldList.get(i)));
+                        values.add(rs.getObject(fieldList.get(i).toLowerCase()));
                     }
                 }
             }