diff --git a/hsweb-easy-orm-rdb/src/main/java/org/hswebframework/ezorm/rdb/operator/dml/QueryOperator.java b/hsweb-easy-orm-rdb/src/main/java/org/hswebframework/ezorm/rdb/operator/dml/QueryOperator.java
index 5de6512f..df0a5bcc 100644
--- a/hsweb-easy-orm-rdb/src/main/java/org/hswebframework/ezorm/rdb/operator/dml/QueryOperator.java
+++ b/hsweb-easy-orm-rdb/src/main/java/org/hswebframework/ezorm/rdb/operator/dml/QueryOperator.java
@@ -29,7 +29,7 @@
  * database
  * .dml()
  * .query()
- * .select(count("id","total"))
+ * .select(Selects.count("id","total"))
  * .from("user")
  * .where(dsl-> dsl.is("name","1"))
  * .execute()