diff --git a/yudao-module-infra/yudao-module-infra-biz/src/main/resources/codegen/java/dal/mapper_sub.vm b/yudao-module-infra/yudao-module-infra-biz/src/main/resources/codegen/java/dal/mapper_sub.vm
index 68af2488d6..6ccaea79ea 100644
--- a/yudao-module-infra/yudao-module-infra-biz/src/main/resources/codegen/java/dal/mapper_sub.vm
+++ b/yudao-module-infra/yudao-module-infra-biz/src/main/resources/codegen/java/dal/mapper_sub.vm
@@ -29,7 +29,7 @@ public interface ${subTable.className}Mapper extends BaseMapperX<${subTable.clas
             .orderByDesc(${subTable.className}DO::getId));## 大多数情况下，id 倒序
 
     }
-## 主表与子表是一对一时
+## 主表与子表是一对一时 
     #if (!$subTable.subJoinMany)
         default ${subTable.className}DO selectBy${SubJoinColumnName}(${subJoinColumn.javaType} ${subJoinColumn.javaField}) {
         return selectOne(${subTable.className}DO::get${SubJoinColumnName}, ${subJoinColumn.javaField});