diff --git a/document/pdm/mall.pdb b/document/pdm/mall.pdb
index a356258..90ffb39 100644
--- a/document/pdm/mall.pdb
+++ b/document/pdm/mall.pdb
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<?PowerDesigner AppLocale="UTF16" ID="{7BB41C87-EFE8-409A-A86E-B1C3FCE34F8C}" Label="" LastModificationDate="1542180981" Name="mall" Objects="1167" Symbols="148" Target="MySQL 5.0" Type="{CDE44E21-9669-11D1-9914-006097355D9B}" signature="PDM_DATA_MODEL_XML" version="16.5.0.3982"?>
+<?PowerDesigner AppLocale="UTF16" ID="{7BB41C87-EFE8-409A-A86E-B1C3FCE34F8C}" Label="" LastModificationDate="1542349350" Name="mall" Objects="1138" Symbols="145" Target="MySQL 5.0" Type="{CDE44E21-9669-11D1-9914-006097355D9B}" signature="PDM_DATA_MODEL_XML" version="16.5.0.3982"?>
 <!-- do not edit this file -->
 
 <Model xmlns:a="attribute" xmlns:c="collection" xmlns:o="object">
@@ -17071,10 +17071,11 @@ LABL 0 新宋体,8,N</a:FontList>
 <a:Code>id</a:Code>
 <a:CreationDate>1542179066</a:CreationDate>
 <a:Creator>zhenghong</a:Creator>
-<a:ModificationDate>1542179149</a:ModificationDate>
+<a:ModificationDate>1542349350</a:ModificationDate>
 <a:Modifier>zhenghong</a:Modifier>
 <a:Comment>编号</a:Comment>
 <a:DataType>bigint</a:DataType>
+<a:Identity>1</a:Identity>
 <a:Column.Mandatory>1</a:Column.Mandatory>
 </o:Column>
 <o:Column Id="o1013">
diff --git a/document/pdm/mall.pdm b/document/pdm/mall.pdm
index 90ffb39..3ba3fbc 100644
--- a/document/pdm/mall.pdm
+++ b/document/pdm/mall.pdm
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<?PowerDesigner AppLocale="UTF16" ID="{7BB41C87-EFE8-409A-A86E-B1C3FCE34F8C}" Label="" LastModificationDate="1542349350" Name="mall" Objects="1138" Symbols="145" Target="MySQL 5.0" Type="{CDE44E21-9669-11D1-9914-006097355D9B}" signature="PDM_DATA_MODEL_XML" version="16.5.0.3982"?>
+<?PowerDesigner AppLocale="UTF16" ID="{7BB41C87-EFE8-409A-A86E-B1C3FCE34F8C}" Label="" LastModificationDate="1551343683" Name="mall" Objects="1138" Symbols="145" Target="MySQL 5.0" Type="{CDE44E21-9669-11D1-9914-006097355D9B}" signature="PDM_DATA_MODEL_XML" version="16.5.0.3982"?>
 <!-- do not edit this file -->
 
 <Model xmlns:a="attribute" xmlns:c="collection" xmlns:o="object">
@@ -9403,9 +9403,9 @@ LABL 0 新宋体,8,N</a:FontList>
 <a:Code>select_type</a:Code>
 <a:CreationDate>1522044544</a:CreationDate>
 <a:Creator>zhenghong</a:Creator>
-<a:ModificationDate>1522044658</a:ModificationDate>
+<a:ModificationDate>1551343683</a:ModificationDate>
 <a:Modifier>zhenghong</a:Modifier>
-<a:Comment>属性选择类型：0-&gt;唯一；1-&gt;单选；2-&gt;多选</a:Comment>
+<a:Comment>属性选择类型：0-&gt;唯一；1-&gt;单选；2-&gt;多选；对应属性和参数意义不同；</a:Comment>
 <a:DataType>int(1)</a:DataType>
 <a:Length>1</a:Length>
 </o:Column>