diff --git a/src/main/java/org/redkale/annotation/Bean.java b/src/main/java/org/redkale/annotation/Serial.java
similarity index 84%
rename from src/main/java/org/redkale/annotation/Bean.java
rename to src/main/java/org/redkale/annotation/Serial.java
index c770d7119..d6afd56bc 100644
--- a/src/main/java/org/redkale/annotation/Bean.java
+++ b/src/main/java/org/redkale/annotation/Serial.java
@@ -5,13 +5,12 @@
  */
 package org.redkale.annotation;
 
+import java.lang.annotation.*;
 import static java.lang.annotation.ElementType.TYPE;
 import static java.lang.annotation.RetentionPolicy.RUNTIME;
 
-import java.lang.annotation.*;
-
 /**
- * 标记参数bean
+ * 用于预编译时执行Convert.convertFrom方法
  *
  * @since 2.5.0
  */
@@ -19,4 +18,4 @@ import java.lang.annotation.*;
 @Documented
 @Target(TYPE)
 @Retention(RUNTIME)
-public @interface Bean {}
+public @interface Serial {}
diff --git a/src/main/java/org/redkale/boot/PrepareCompiler.java b/src/main/java/org/redkale/boot/PrepareCompiler.java
index 4b2ad4e0a..9cea5c0f0 100644
--- a/src/main/java/org/redkale/boot/PrepareCompiler.java
+++ b/src/main/java/org/redkale/boot/PrepareCompiler.java
@@ -6,7 +6,6 @@
 package org.redkale.boot;
 
 import java.util.List;
-import org.redkale.annotation.Bean;
 import org.redkale.boot.ClassFilter.FilterEntry;
 import org.redkale.convert.Decodeable;
 import org.redkale.convert.bson.BsonFactory;
@@ -14,6 +13,7 @@ import org.redkale.convert.json.*;
 import org.redkale.persistence.Entity;
 import org.redkale.source.*;
 import org.redkale.util.Utility;
+import org.redkale.annotation.Serial;
 
 /**
  * 执行一次Application.run提前获取所有动态类
@@ -42,12 +42,12 @@ public class PrepareCompiler {
         final ClassFilter<?> entityFilter = new ClassFilter(application.getClassLoader(), Entity.class, Object.class);
         final ClassFilter<?> entityFilter2 =
                 new ClassFilter(application.getClassLoader(), javax.persistence.Entity.class, Object.class);
-        final ClassFilter<?> beanFilter = new ClassFilter(application.getClassLoader(), Bean.class, Object.class);
-        final ClassFilter<?> beanFilter2 =
+        final ClassFilter<?> serialFilter = new ClassFilter(application.getClassLoader(), Serial.class, Object.class);
+        final ClassFilter<?> serialFilter2 =
                 new ClassFilter(application.getClassLoader(), org.redkale.util.Bean.class, Object.class);
         final ClassFilter<?> filterFilter = new ClassFilter(application.getClassLoader(), null, FilterBean.class);
 
-        application.loadClassByFilters(entityFilter, beanFilter, filterFilter);
+        application.loadClassByFilters(entityFilter, serialFilter, filterFilter);
 
         for (FilterEntry en : entityFilter.getFilterEntrys()) {
             Class clz = en.getType();
@@ -91,7 +91,7 @@ public class PrepareCompiler {
             } catch (Exception e) { // JsonFactory.loadDecoder可能会失败，因为class可能包含抽象类字段,如ColumnValue.value字段
             }
         }
-        for (FilterEntry en : beanFilter.getFilterEntrys()) {
+        for (FilterEntry en : serialFilter.getFilterEntrys()) {
             Class clz = en.getType();
             if (Utility.isAbstractOrInterface(clz)) {
                 continue;
@@ -109,7 +109,7 @@ public class PrepareCompiler {
             } catch (Exception e) { // JsonFactory.loadDecoder可能会失败，因为class可能包含抽象类字段,如ColumnValue.value字段
             }
         }
-        for (FilterEntry en : beanFilter2.getFilterEntrys()) {
+        for (FilterEntry en : serialFilter2.getFilterEntrys()) {
             Class clz = en.getType();
             if (Utility.isAbstractOrInterface(clz)) {
                 continue;
diff --git a/src/main/java/org/redkale/source/FilterBean.java b/src/main/java/org/redkale/source/FilterBean.java
index 27d28bcd8..9b4e49a40 100644
--- a/src/main/java/org/redkale/source/FilterBean.java
+++ b/src/main/java/org/redkale/source/FilterBean.java
@@ -5,7 +5,7 @@
  */
 package org.redkale.source;
 
-import org.redkale.annotation.Bean;
+import org.redkale.annotation.Serial;
 
 /**
  * FilterBean用于过滤条件， 所有的FilterBean都必须可以转换成FilterNode <br>
@@ -18,5 +18,5 @@ import org.redkale.annotation.Bean;
  * @see org.redkale.source.FilterGroup
  * @author zhangjx
  */
-@Bean
+@Serial
 public interface FilterBean {}
diff --git a/src/main/java/org/redkale/source/PageBean.java b/src/main/java/org/redkale/source/PageBean.java
index 97cf93a38..d6da61763 100644
--- a/src/main/java/org/redkale/source/PageBean.java
+++ b/src/main/java/org/redkale/source/PageBean.java
@@ -5,9 +5,9 @@
  */
 package org.redkale.source;
 
-import org.redkale.annotation.Bean;
 import org.redkale.convert.ConvertColumn;
 import org.redkale.convert.json.JsonConvert;
+import org.redkale.annotation.Serial;
 
 /**
  * 翻页对象与过滤条件Bean的组合对象
@@ -18,7 +18,7 @@ import org.redkale.convert.json.JsonConvert;
  * @param <T> Bean类
  * @since 2.7.0
  */
-@Bean
+@Serial
 public class PageBean<T> {
 
     @ConvertColumn(index = 1)
diff --git a/src/main/java/org/redkale/util/Bean.java b/src/main/java/org/redkale/util/Bean.java
index f3b6ea69c..969597aec 100644
--- a/src/main/java/org/redkale/util/Bean.java
+++ b/src/main/java/org/redkale/util/Bean.java
@@ -5,15 +5,14 @@
  */
 package org.redkale.util;
 
+import java.lang.annotation.*;
 import static java.lang.annotation.ElementType.TYPE;
 import static java.lang.annotation.RetentionPolicy.RUNTIME;
 
-import java.lang.annotation.*;
-
 /**
- * 标记参数bean
+ * 标记参数， replace by {@link org.redkale.annotation.Serial}
  *
- * @see org.redkale.annotation.Bean
+ * @see org.redkale.annotation.Serial
  * @since 2.5.0
  */
 @Deprecated(since = "2.8.0")
diff --git a/src/main/java/org/redkale/util/Utility.java b/src/main/java/org/redkale/util/Utility.java
index 3381aaa35..bb0e112a8 100644
--- a/src/main/java/org/redkale/util/Utility.java
+++ b/src/main/java/org/redkale/util/Utility.java
@@ -968,6 +968,24 @@ public final class Utility {
         return true;
     }
 
+    /**
+     * 字符串是否至少一个为空白
+     *
+     * @param strs 字符串集合
+     * @return 是否为空白
+     */
+    public static boolean isAnyBlank(String... strs) {
+        if (strs == null || strs.length == 0) {
+            return false;
+        }
+        for (String str : strs) {
+            if (isBlank(str)) {
+                return true;
+            }
+        }
+        return false;
+    }
+
     /**
      * 是否不为空白
      *
@@ -1009,6 +1027,24 @@ public final class Utility {
         return str == null || str.length() == 0;
     }
 
+    /**
+     * 字符串是否至少一个为空
+     *
+     * @param strs 字符串集合
+     * @return 是否为空
+     */
+    public static boolean isAnyEmpty(CharSequence... strs) {
+        if (strs == null || strs.length == 0) {
+            return false;
+        }
+        for (CharSequence str : strs) {
+            if (isEmpty(str)) {
+                return true;
+            }
+        }
+        return false;
+    }
+
     /**
      * 是否不为空
      *