diff --git a/screw-core/src/main/resources/template/freemarker/documentation_md.ftl b/screw-core/src/main/resources/template/freemarker/documentation_md.ftl
index 0cdfbcd..af88829 100644
--- a/screw-core/src/main/resources/template/freemarker/documentation_md.ftl
+++ b/screw-core/src/main/resources/template/freemarker/documentation_md.ftl
@@ -1,8 +1,35 @@
+<#--
+
+    screw-core - 简洁好用的数据库表结构文档生成工具
+    Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Lesser General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+-->
 # ${title!'数据库设计文档'}
 
+<#if (database)??>
 **数据库名：** ${database!''}
+
+</#if>
+<#if (version)??>
 **文档版本：** ${version!''}
+
+</#if>
+<#if (description)??>
 **文档描述：** ${description!''}
+</#if>
 | 表名                  | 说明       |
 | :-------------------- | :--------- |
 <#list tables>
diff --git a/screw-core/src/main/resources/template/velocity/documentation_md.vm b/screw-core/src/main/resources/template/velocity/documentation_md.vm
index 683b053..7a5311d 100644
--- a/screw-core/src/main/resources/template/velocity/documentation_md.vm
+++ b/screw-core/src/main/resources/template/velocity/documentation_md.vm
@@ -1,3 +1,20 @@
+#*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *#
 # #if(${_data.title}) #else 数据库设计文档 #end
 
 #if(${_data.database})