diff --git a/mybatis-flex-core/src/main/java/com/mybatisflex/core/activerecord/query/QueryModel.java b/mybatis-flex-core/src/main/java/com/mybatisflex/core/activerecord/query/QueryModel.java
index ceb382f6..ac4372b2 100644
--- a/mybatis-flex-core/src/main/java/com/mybatisflex/core/activerecord/query/QueryModel.java
+++ b/mybatis-flex-core/src/main/java/com/mybatisflex/core/activerecord/query/QueryModel.java
@@ -44,11 +44,20 @@ public abstract class QueryModel<T extends QueryModel<T>> {
 
     protected QueryWrapper queryWrapper() {
         if (queryWrapper == null) {
-            queryWrapper = QueryWrapper.create();
+            TableInfo tableInfo = TableInfoFactory.ofEntityClass(getClass());
+            QueryTable queryTable = new QueryTable();
+            queryTable.setSchema(tableInfo.getSchema());
+            queryTable.setName(tableInfo.getTableName());
+            queryWrapper = QueryWrapper.create().from(queryTable);
         }
         return queryWrapper;
     }
 
+    public T as(String alias) {
+        queryWrapper().as(alias);
+        return (T) this;
+    }
+
     public T select() {
         return (T) this;
     }