diff --git a/eladmin-system/src/main/java/me/zhengjie/modules/system/domain/Role.java b/eladmin-system/src/main/java/me/zhengjie/modules/system/domain/Role.java
index ea13ddf2..998559f6 100644
--- a/eladmin-system/src/main/java/me/zhengjie/modules/system/domain/Role.java
+++ b/eladmin-system/src/main/java/me/zhengjie/modules/system/domain/Role.java
@@ -18,7 +18,8 @@ import java.util.Set;
  * @date 2018-11-22
  */
 @Entity
-@Table(name = "role")
+@Table(name = "role",
+    indexes = {@Index(name = "role_level", columnList = "level")})
 @Getter
 @Setter
 public class Role implements Serializable {
diff --git a/sql/eladmin.sql b/sql/eladmin.sql
index 6184b3b7..7ed157ec 100644
--- a/sql/eladmin.sql
+++ b/sql/eladmin.sql
@@ -605,7 +605,8 @@ CREATE TABLE `role`  (
   `level` int(255) NULL DEFAULT NULL COMMENT '角色级别',
   `create_time` datetime NULL DEFAULT NULL COMMENT '创建日期',
   `permission` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL COMMENT '功能权限',
-  PRIMARY KEY (`id`) USING BTREE
+  PRIMARY KEY (`id`) USING BTREE,
+  KEY `role_level` (`level`)
 ) ENGINE = InnoDB AUTO_INCREMENT = 3 CHARACTER SET = utf8 COLLATE = utf8_general_ci COMMENT = '角色表' ROW_FORMAT = Compact;
 
 -- ----------------------------