diff --git a/modules/i3plus-pojo-base/src/main/java/cn/estsh/i3plus/pojo/base/jpa/daoimpl/BaseRepositoryImpl.java b/modules/i3plus-pojo-base/src/main/java/cn/estsh/i3plus/pojo/base/jpa/daoimpl/BaseRepositoryImpl.java
index 5a28202..ae2aecf 100644
--- a/modules/i3plus-pojo-base/src/main/java/cn/estsh/i3plus/pojo/base/jpa/daoimpl/BaseRepositoryImpl.java
+++ b/modules/i3plus-pojo-base/src/main/java/cn/estsh/i3plus/pojo/base/jpa/daoimpl/BaseRepositoryImpl.java
@@ -5,6 +5,7 @@ import cn.estsh.i3plus.pojo.base.common.Pager;
 import cn.estsh.i3plus.pojo.base.enumutil.CommonEnumUtil;
 import cn.estsh.i3plus.pojo.base.jpa.dao.BaseRepository;
 import cn.estsh.i3plus.pojo.base.codemaker.SnowflakeIdMaker;
+import org.apache.commons.lang3.StringUtils;
 import org.hibernate.NonUniqueResultException;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -1399,7 +1400,9 @@ public class BaseRepositoryImpl<T, ID extends Serializable> extends SimpleJpaRep
         if ((paramName != null) && (paramName.length > 0) && (paramValue != null) && (paramValue.length > 0)) {
             StringBuffer sb = new StringBuffer("select max(model." + sumPropertyName + ") from " + persistentClass.getName() + " model where 1=1 ");
             appendQL(sb, paramName, paramValue);
-            sb.append(" group by model." + groupByName);
+            if(!StringUtils.isEmpty(groupByName)){
+                sb.append(" group by model." + groupByName);
+            }
 
             Query query = entityManager.createQuery(sb.toString());
             setParameter(query,paramName,paramValue);