diff --git a/continew-starter-extension/continew-starter-extension-crud/continew-starter-extension-crud-core/src/main/java/top/continew/starter/extension/crud/annotation/DictField.java b/continew-starter-extension/continew-starter-extension-crud/continew-starter-extension-crud-core/src/main/java/top/continew/starter/extension/crud/annotation/DictField.java
index d1ed5ea1..70cfceba 100644
--- a/continew-starter-extension/continew-starter-extension-crud/continew-starter-extension-crud-core/src/main/java/top/continew/starter/extension/crud/annotation/DictField.java
+++ b/continew-starter-extension/continew-starter-extension-crud/continew-starter-extension-crud-core/src/main/java/top/continew/starter/extension/crud/annotation/DictField.java
@@ -42,4 +42,11 @@ public @interface DictField {
      * @return 值字段名
      */
     String valueKey() default "id";
+
+    /**
+     * 额外信息字段名
+     *
+     * @return 额外信息字段名
+     */
+    String extraKey() default "";
 }
diff --git a/continew-starter-extension/continew-starter-extension-crud/continew-starter-extension-crud-core/src/main/java/top/continew/starter/extension/crud/autoconfigure/CrudProperties.java b/continew-starter-extension/continew-starter-extension-crud/continew-starter-extension-crud-core/src/main/java/top/continew/starter/extension/crud/autoconfigure/CrudProperties.java
index b7a92030..2423b6f6 100644
--- a/continew-starter-extension/continew-starter-extension-crud/continew-starter-extension-crud-core/src/main/java/top/continew/starter/extension/crud/autoconfigure/CrudProperties.java
+++ b/continew-starter-extension/continew-starter-extension-crud/continew-starter-extension-crud-core/src/main/java/top/continew/starter/extension/crud/autoconfigure/CrudProperties.java
@@ -33,7 +33,7 @@ public class CrudProperties {
      * 树配置
      */
     @NestedConfigurationProperty
-    private CrudTreeProperties tree;
+    private CrudTreeProperties tree = new CrudTreeProperties();
 
     public CrudTreeProperties getTree() {
         return tree;
diff --git a/continew-starter-extension/continew-starter-extension-crud/continew-starter-extension-crud-core/src/main/java/top/continew/starter/extension/crud/model/resp/LabelValueResp.java b/continew-starter-extension/continew-starter-extension-crud/continew-starter-extension-crud-core/src/main/java/top/continew/starter/extension/crud/model/resp/LabelValueResp.java
index 44a25930..6bc8b33c 100644
--- a/continew-starter-extension/continew-starter-extension-crud/continew-starter-extension-crud-core/src/main/java/top/continew/starter/extension/crud/model/resp/LabelValueResp.java
+++ b/continew-starter-extension/continew-starter-extension-crud/continew-starter-extension-crud-core/src/main/java/top/continew/starter/extension/crud/model/resp/LabelValueResp.java
@@ -54,11 +54,11 @@ public class LabelValueResp<T> implements Serializable {
     private Boolean disabled;
 
     /**
-     * 扩展
+     * 额外数据
      */
-    @Schema(description = "扩展")
+    @Schema(description = "额外数据")
     @JsonInclude(JsonInclude.Include.NON_NULL)
-    private Object extend;
+    private Object extra;
 
     public LabelValueResp() {
     }
@@ -68,10 +68,10 @@ public class LabelValueResp<T> implements Serializable {
         this.value = value;
     }
 
-    public LabelValueResp(String label, T value, Object extend) {
+    public LabelValueResp(String label, T value, Object extra) {
         this.label = label;
         this.value = value;
-        this.extend = extend;
+        this.extra = extra;
     }
 
     public LabelValueResp(String label, T value, Boolean disabled) {
@@ -104,11 +104,11 @@ public class LabelValueResp<T> implements Serializable {
         this.disabled = disabled;
     }
 
-    public Object getExtend() {
-        return extend;
+    public Object getExtra() {
+        return extra;
     }
 
-    public void setExtend(Object extend) {
-        this.extend = extend;
+    public void setExtra(Object extra) {
+        this.extra = extra;
     }
 }
diff --git a/continew-starter-extension/continew-starter-extension-crud/continew-starter-extension-crud-mp/src/main/java/top/continew/starter/extension/crud/service/impl/BaseServiceImpl.java b/continew-starter-extension/continew-starter-extension-crud/continew-starter-extension-crud-mp/src/main/java/top/continew/starter/extension/crud/service/impl/BaseServiceImpl.java
index f1bac703..79f09c04 100644
--- a/continew-starter-extension/continew-starter-extension-crud/continew-starter-extension-crud-mp/src/main/java/top/continew/starter/extension/crud/service/impl/BaseServiceImpl.java
+++ b/continew-starter-extension/continew-starter-extension-crud/continew-starter-extension-crud-mp/src/main/java/top/continew/starter/extension/crud/service/impl/BaseServiceImpl.java
@@ -54,10 +54,7 @@ import top.continew.starter.extension.crud.service.BaseService;
 import top.continew.starter.file.excel.util.ExcelUtils;
 
 import java.lang.reflect.Field;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Map;
-import java.util.Optional;
+import java.util.*;
 
 /**
  * 业务实现基类
@@ -146,12 +143,16 @@ public abstract class BaseServiceImpl<M extends BaseMapper<T>, T extends BaseIdD
         DictField dictField = super.getEntityClass().getDeclaredAnnotation(DictField.class);
         CheckUtils.throwIfNull(dictField, "请添加并配置 @DictField 字典结构信息");
         // 指定查询字典字段
-        queryWrapper.select(dictField.labelKey(), dictField.valueKey());
+        Set<String> columns = CollUtil.newLinkedHashSet(dictField.labelKey(), dictField.valueKey(), dictField
+            .extraKey());
+        columns.removeIf(CharSequenceUtil::isBlank);
+        queryWrapper.select(columns.toArray(String[]::new));
         List<T> entityList = baseMapper.selectList(queryWrapper);
         // 解析映射
         Map<String, String> fieldMapping = MapUtil.newHashMap(2);
         fieldMapping.put(CharSequenceUtil.toCamelCase(dictField.labelKey()), "label");
         fieldMapping.put(CharSequenceUtil.toCamelCase(dictField.valueKey()), "value");
+        fieldMapping.put(CharSequenceUtil.toCamelCase(dictField.extraKey()), "extra");
         return BeanUtil.copyToList(entityList, LabelValueResp.class, CopyOptions.create()
             .setFieldMapping(fieldMapping));
     }