diff --git a/fastmybatis-core/src/main/java/com/gitee/fastmybatis/core/ext/code/generator/ColumnDefinition.java b/fastmybatis-core/src/main/java/com/gitee/fastmybatis/core/ext/code/generator/ColumnDefinition.java
index fb9690dfdb46d80e86cbb5f959f04ac720c3b4c4..83d2858440f22b5840c8717cb980b25c84bddfcc 100644
--- a/fastmybatis-core/src/main/java/com/gitee/fastmybatis/core/ext/code/generator/ColumnDefinition.java
+++ b/fastmybatis-core/src/main/java/com/gitee/fastmybatis/core/ext/code/generator/ColumnDefinition.java
@@ -7,7 +7,7 @@ import com.gitee.fastmybatis.core.handler.Identitys;
 
 /**
  * 表字段信息
- * 
+ *
  * @author tanghc
  */
 public class ColumnDefinition {
@@ -28,7 +28,7 @@ public class ColumnDefinition {
     /** 是否自增 */
     private boolean isIdentity;
     /** 是否auto策略 */
-    private boolean isAuto;
+    private boolean isAuto = true;
     /** 是否uuid策略 */
     private boolean isUuid;
     /** 是否sequence策略(oracle) */
@@ -53,7 +53,7 @@ public class ColumnDefinition {
     private String comment;
     private String typeHandler;
     private FillType fillType;
-    
+
     private int orderIndex = 1;
 
     public boolean getIsCustomFillUpdate() {
@@ -165,20 +165,20 @@ public class ColumnDefinition {
      */
     private String getMybatisValue(FillType fillType, String prefix) {
         // 如果是乐观锁字段
-        if (this.isVersion) { 
+        if (this.isVersion) {
             return this.columnName + "+1";
         } else {
             StringBuilder mybatisValue = new StringBuilder();
             mybatisValue.append("#{" + prefix + this.getJavaFieldName()).append(this.getTypeHandlerValue(fillType))
                     .append("}");
 
-            return mybatisValue.toString(); 
+            return mybatisValue.toString();
         }
     }
 
     /**
      * 是否是乐观锁字段
-     * 
+     *
      * @return true是
      */
     public boolean getIsVersion() {
@@ -191,7 +191,7 @@ public class ColumnDefinition {
 
     /**
      * 是否是自增主键
-     * 
+     *
      * @return true，是
      */
     public boolean getIsIdentityPk() {
@@ -208,7 +208,7 @@ public class ColumnDefinition {
 
     /**
      * 返回java字段名,并且第一个字母大写
-     * 
+     *
      * @return 返回java字段名,并且第一个字母大写
      */
     public String getJavaFieldNameUF() {
@@ -217,7 +217,7 @@ public class ColumnDefinition {
 
     /**
      * 返回java字段
-     * 
+     *
      * @return 返回java字段
      */
     public String getJavaFieldName() {
@@ -230,7 +230,7 @@ public class ColumnDefinition {
 
     /**
      * 获得装箱类型,Integer,Float
-     * 
+     *
      * @return 获得装箱类型,Integer,Float
      */
     public String getJavaTypeBox() {