diff --git a/src/main/java/org/redkale/persistence/Index.java b/src/main/java/org/redkale/persistence/Index.java
index 10c6fc7dc..b84c821eb 100644
--- a/src/main/java/org/redkale/persistence/Index.java
+++ b/src/main/java/org/redkale/persistence/Index.java
@@ -14,8 +14,10 @@
  ***************************************************************************** */
 package org.redkale.persistence;
 
-import static java.lang.annotation.RetentionPolicy.RUNTIME;
+import java.lang.annotation.Documented;
+import static java.lang.annotation.ElementType.TYPE;
 import java.lang.annotation.Retention;
+import static java.lang.annotation.RetentionPolicy.RUNTIME;
 import java.lang.annotation.Target;
 
 /**
@@ -40,7 +42,8 @@ import java.lang.annotation.Target;
  * @since Java Persistence 2.1
  *
  */
-@Target({})
+@Documented
+@Target(TYPE)
 @Retention(RUNTIME)
 public @interface Index {
 
@@ -55,9 +58,9 @@ public @interface Index {
      * (Required) The names of the columns to be included in the index,
      * in order.
      *
-     * @return String
+     * @return String[]
      */
-    String columnList();
+    String[] columns();
 
     /**
      * (Optional) Whether the index is unique.
@@ -66,4 +69,19 @@ public @interface Index {
      */
     boolean unique() default false;
 
+    /**
+     * Index的多用类
+     *
+     * <p>
+     * 详情见: https://redkale.org
+     *
+     * @author zhangjx
+     */
+    @Documented
+    @Target(TYPE)
+    @Retention(RUNTIME)
+    public static @interface Indexs {
+
+        Index[] value();
+    }
 }
diff --git a/src/main/java/org/redkale/persistence/Table.java b/src/main/java/org/redkale/persistence/Table.java
index b5277da76..dfda00e0e 100644
--- a/src/main/java/org/redkale/persistence/Table.java
+++ b/src/main/java/org/redkale/persistence/Table.java
@@ -15,10 +15,10 @@
  ***************************************************************************** */
 package org.redkale.persistence;
 
-import java.lang.annotation.Target;
-import java.lang.annotation.Retention;
 import static java.lang.annotation.ElementType.TYPE;
+import java.lang.annotation.Retention;
 import static java.lang.annotation.RetentionPolicy.RUNTIME;
+import java.lang.annotation.Target;
 
 /**
  * Specifies the primary table for the annotated entity. Additional
@@ -59,29 +59,6 @@ public @interface Table {
      */
     String catalog() default "";
 
-    /**
-     * (Optional) Unique constraints that are to be placed on
-     * the table. These are only used if table generation is in
-     * effect. These constraints apply in addition to any constraints
-     * specified by the <code>Column</code> and <code>JoinColumn</code>
-     * annotations and constraints entailed by primary key mappings.
-     * <p>
-     * Defaults to no additional constraints.
-     * @return UniqueConstraint[]
-     */
-    UniqueConstraint[] uniqueConstraints() default {};
-
-    /**
-     * (Optional) Indexes for the table. These are only used if
-     * table generation is in effect. Note that it is not necessary
-     * to specify an index for a primary key, as the primary key
-     * index will be created automatically.
-     *
-     * @return indexes
-     * @since Java Persistence 2.1
-     */
-    Index[] indexes() default {};
-
     /**
      * comment
      * 
diff --git a/src/main/java/org/redkale/persistence/UniqueConstraint.java b/src/main/java/org/redkale/persistence/UniqueConstraint.java
deleted file mode 100644
index d06b5b19c..000000000
--- a/src/main/java/org/redkale/persistence/UniqueConstraint.java
+++ /dev/null
@@ -1,56 +0,0 @@
-/** *****************************************************************************
- * Copyright (c) 2008 - 2013 Oracle Corporation. All rights reserved.
- *
- * This program and the accompanying materials are made available under the
- * terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
- * which accompanies this distribution.
- * The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
- * and the Eclipse Distribution License is available at
- * http://www.eclipse.org/org/documents/edl-v10.php.
- *
- * Contributors:
- *     Linda DeMichiel - Java Persistence 2.1
- *     Linda DeMichiel - Java Persistence 2.0
- *
- ***************************************************************************** */
-package org.redkale.persistence;
-
-import java.lang.annotation.Target;
-import java.lang.annotation.Retention;
-import static java.lang.annotation.RetentionPolicy.RUNTIME;
-
-/**
- * Specifies that a unique constraint is to be included in
- * the generated DDL for a primary or secondary table.
- *
- * <pre>
- *    Example:
- *    &#064;Entity
- *    &#064;Table(
- *        name="EMPLOYEE",
- *        uniqueConstraints=
- *            &#064;UniqueConstraint(columnNames={"EMP_ID", "EMP_NAME"})
- *    )
- *    public class Employee { ... }
- * </pre>
- *
- * @since Java Persistence 1.0
- */
-@Target({})
-@Retention(RUNTIME)
-public @interface UniqueConstraint {
-
-    /** (Optional) Constraint name. A provider-chosen name will be chosen
-     * if a name is not specified.
-     *
-     * @return String
-     * @since Java Persistence 2.0
-     */
-    String name() default "";
-
-    /** (Required) An array of the column names that make up the constraint.
-     *
-     * @return String[]
-     */
-    String[] columnNames();
-}