diff --git a/jpress-service-provider/src/main/java/io/jpress/service/provider/UserOrderServiceProvider.java b/jpress-service-provider/src/main/java/io/jpress/service/provider/UserOrderServiceProvider.java
index 5bb9d28df9fb1f523746b386f51d93c9989289b7..8edb177fbd3aab65fc9da4b68dfb662f8eb0f485 100644
--- a/jpress-service-provider/src/main/java/io/jpress/service/provider/UserOrderServiceProvider.java
+++ b/jpress-service-provider/src/main/java/io/jpress/service/provider/UserOrderServiceProvider.java
@@ -72,7 +72,7 @@ public class UserOrderServiceProvider extends JbootServiceBase<UserOrder> implem
 
     @Override
     public int queryMonthUserCount() {
-        String sql = "select count(*) from (select id from user_order where created > ? ) c";
+        String sql = "select count(distinct buyer_id) from user_order where created > ?";
         return Db.queryInt(sql, DateUtils.truncate(new Date(), Calendar.MONTH));
     }
 }
\ No newline at end of file