diff --git a/tigon-codegen/src/main/java/me/chyxion/tigon/codegen/service/support/CodeGenServiceSupport.java b/tigon-codegen/src/main/java/me/chyxion/tigon/codegen/service/support/CodeGenServiceSupport.java
index 3675b9f..3be4273 100644
--- a/tigon-codegen/src/main/java/me/chyxion/tigon/codegen/service/support/CodeGenServiceSupport.java
+++ b/tigon-codegen/src/main/java/me/chyxion/tigon/codegen/service/support/CodeGenServiceSupport.java
@@ -60,6 +60,7 @@ public class CodeGenServiceSupport implements CodeGenService {
     private List<CodeGenerator> codeGen;
     @Value("${codegen.mapper.cache-enabled:false}")
     private boolean cacheEnabled;
+
     @Value("${codegen.model.super-class.name:}")
     private String modelSuperClassName;
     @Value("${codegen.model.super-class.import-name:}")
@@ -105,8 +106,8 @@ public class CodeGenServiceSupport implements CodeGenService {
 
         // collect col names
         String idType = null;
-        List<String> colNames = new ArrayList<String>(columns.size());
-        for (Map<String, Object> col : (List<Map<String, Object>>) columns) {
+        final List<String> colNames = new ArrayList<String>(columns.size());
+        for (final Map<String, Object> col : (List<Map<String, Object>>) columns) {
             String colName = ((String) col.get("col")).toLowerCase();
             colNames.add(colName);
             if (M0.ID.equals(colName)) {
@@ -128,7 +129,7 @@ public class CodeGenServiceSupport implements CodeGenService {
 
         // custom super class
         if (StringUtils.isNotBlank(modelSuperClassName)) {
-            Assert.state(StringUtils.isNotBlank(modelSuperClassImportName ),
+            Assert.state(StringUtils.isNotBlank(modelSuperClassImportName),
                 "config 'codegen.model.super-class.import-name' required");
             baseModelName = modelSuperClassName;
             baseModelFullName = modelSuperClassImportRequired ?
@@ -245,17 +246,10 @@ public class CodeGenServiceSupport implements CodeGenService {
         fmDataModel.put("baseServiceSupportName", BaseCrudServiceSupport.class.getSimpleName());
         fmDataModel.put("baseServiceSupportFullName", BaseCrudServiceSupport.class.getName());
 
-        // model
-        // 
         // mapper
         fmDataModel.put("baseMapperName", BaseMapper.class.getSimpleName());
         fmDataModel.put("baseMapperFullName", BaseMapper.class.getName());
 
-//        fmDataModel.put("mockMapperName", MockMapper.class.getSimpleName());
-//        fmDataModel.put("mockMapperFullName", MockMapper.class.getName());
-        // fmDataModel.put("mockName", Mock.class.getSimpleName());
-        // fmDataModel.put("mockFullName", Mock.class.getName());
-
         fmDataModel.put("ctrlrTestToolName", ControllerTestTool.class.getSimpleName());
         fmDataModel.put("ctrlrTestToolFullName", ControllerTestTool.class.getName());
         // Object Doc
diff --git a/tigon-model/src/main/java/me/chyxion/tigon/form/ListForm.java b/tigon-model/src/main/java/me/chyxion/tigon/form/ListForm.java
new file mode 100644
index 0000000..c988e37
--- /dev/null
+++ b/tigon-model/src/main/java/me/chyxion/tigon/form/ListForm.java
@@ -0,0 +1,33 @@
+package me.chyxion.tigon.form;
+
+import lombok.Getter;
+import lombok.Setter;
+import javax.validation.constraints.Max;
+import javax.validation.constraints.Min;
+import me.chyxion.tigon.format.annotation.Trim;
+import me.chyxion.tigon.format.annotation.EmptyToNull;
+
+/**
+ * @author Shaun Chyxion <br>
+ * chyxion@163.com <br>
+ * Jun 25, 2018 22:56:52
+ */
+@Getter
+@Setter
+public class ListForm extends BaseForm {
+    @Min(0)
+    private int start;
+    @Min(1)
+    @Max(2048)
+    private int limit;
+    private String search;
+    @Trim
+    @EmptyToNull
+    private String criteria;
+    @Trim
+    @EmptyToNull
+    private String filters;
+    @Trim
+    @EmptyToNull
+    private String orders;
+}