diff --git a/mybatis-flex-codegen/src/main/java/com/mybatisflex/codegen/config/TableDefConfig.java b/mybatis-flex-codegen/src/main/java/com/mybatisflex/codegen/config/TableDefConfig.java
index 3cd594e2..0ba5b0a3 100644
--- a/mybatis-flex-codegen/src/main/java/com/mybatisflex/codegen/config/TableDefConfig.java
+++ b/mybatis-flex-codegen/src/main/java/com/mybatisflex/codegen/config/TableDefConfig.java
@@ -15,6 +15,8 @@
  */
 package com.mybatisflex.codegen.config;
 
+import com.mybatisflex.core.util.StringUtil;
+
 /**
  * 生成 TableDef 的配置。
  *
@@ -39,6 +41,30 @@ public class TableDefConfig {
      */
     private boolean overwriteEnable;
 
+    /**
+     * 生成辅助类的字段风格。
+     */
+    private NameStyle propertiesNameStyle = NameStyle.UPPER_CASE;
+
+    /**
+     * 生成的表对应的变量后缀。
+     */
+    private String instanceSuffix = "";
+
+    public String buildFieldName(String property) {
+        switch (propertiesNameStyle) {
+            case UPPER_CASE:
+                return StringUtil.camelToUnderline(property).toUpperCase();
+            case LOWER_CASE:
+                return StringUtil.camelToUnderline(property).toLowerCase();
+            case UPPER_CAMEL_CASE:
+                return StringUtil.firstCharToUpperCase(property);
+            case LOWER_CAMEL_CASE:
+            default:
+                return StringUtil.firstCharToLowerCase(property);
+        }
+    }
+
     /**
      * 获取类前缀。
      */
@@ -84,4 +110,31 @@ public class TableDefConfig {
         return this;
     }
 
+    public NameStyle getPropertiesNameStyle() {
+        return propertiesNameStyle;
+    }
+
+    public TableDefConfig setPropertiesNameStyle(NameStyle propertiesNameStyle) {
+        this.propertiesNameStyle = propertiesNameStyle;
+        return this;
+    }
+
+    public String getInstanceSuffix() {
+        return instanceSuffix;
+    }
+
+    public TableDefConfig setInstanceSuffix(String instanceSuffix) {
+        this.instanceSuffix = instanceSuffix;
+        return this;
+    }
+
+    public enum NameStyle {
+
+        UPPER_CASE,
+        LOWER_CASE,
+        UPPER_CAMEL_CASE,
+        LOWER_CAMEL_CASE
+
+    }
+
 }
\ No newline at end of file
diff --git a/mybatis-flex-codegen/src/main/java/com/mybatisflex/codegen/entity/Column.java b/mybatis-flex-codegen/src/main/java/com/mybatisflex/codegen/entity/Column.java
index fee791eb..7e1c603d 100644
--- a/mybatis-flex-codegen/src/main/java/com/mybatisflex/codegen/entity/Column.java
+++ b/mybatis-flex-codegen/src/main/java/com/mybatisflex/codegen/entity/Column.java
@@ -311,6 +311,14 @@ public class Column {
         return importClasses;
     }
 
+    public boolean isLarge() {
+        if (columnConfig != null && columnConfig.getLarge() != null) {
+            return columnConfig.getLarge();
+        } else {
+            return false;
+        }
+    }
+
     @Override
     public String toString() {
         return "Column{" +
diff --git a/mybatis-flex-codegen/src/main/resources/templates/enjoy/tableDef.tpl b/mybatis-flex-codegen/src/main/resources/templates/enjoy/tableDef.tpl
index 513eaca2..dd96b787 100644
--- a/mybatis-flex-codegen/src/main/resources/templates/enjoy/tableDef.tpl
+++ b/mybatis-flex-codegen/src/main/resources/templates/enjoy/tableDef.tpl
@@ -1,3 +1,4 @@
+#set(tableDefClassName = table.buildTableDefClassName())
 package #(packageConfig.tableDefPackage);
 
 import com.mybatisflex.core.query.QueryColumn;
@@ -9,18 +10,19 @@ import com.mybatisflex.core.table.TableDef;
  * @author #(javadocConfig.getAuthor())
  * @since #(javadocConfig.getSince())
  */
-public class #(table.buildTableDefClassName()) extends TableDef {
+public class #(tableDefClassName) extends TableDef {
 
-    public static final #(table.buildTableDefClassName()) #(table.name) = new #(table.buildTableDefClassName())("#(table.name)");
+    public static final #(tableDefClassName) #(tableDefConfig.buildFieldName(table.buildEntityClassName() + tableDefConfig.instanceSuffix)) = new #(tableDefClassName)("#(table.name)");
 
 #for(column: table.columns)
-    public QueryColumn #(column.name) = new QueryColumn(this, "#(column.name)");
+    public QueryColumn #(tableDefConfig.buildFieldName(column.property)) = new QueryColumn(this, "#(column.name)");
 #end
 
-    public QueryColumn[] default_columns = new QueryColumn[]{#for(column: table.columns) #if(!column.name.equals("del_flag"))#(column.name)#if(for.index + 1 != for.size),#end#end#end};
-    public QueryColumn[] all_columns = new QueryColumn[]{#for(column: table.columns) #(column.name)#if(for.index + 1 != for.size),#end#end};
+    public QueryColumn #(tableDefConfig.buildFieldName("allColumns")) = new QueryColumn(this, "*");
+    public QueryColumn[] #(tableDefConfig.buildFieldName("defaultColumns")) = new QueryColumn[]{#for(column: table.columns) #if(!column.isLarge())#(tableDefConfig.buildFieldName(column.property))#if(for.index + 1 != for.size),#end#end#end};
 
-    public #(table.buildTableDefClassName())(String tableName) {
+    public #(tableDefClassName)(String tableName) {
         super(tableName);
     }
+
 }