diff --git a/src/admin/Bootstrap.Admin/Pages/Components/RolesBase.cs b/src/admin/Bootstrap.Admin/Pages/Components/RolesBase.cs
new file mode 100644
index 00000000..5e60a9d2
--- /dev/null
+++ b/src/admin/Bootstrap.Admin/Pages/Components/RolesBase.cs
@@ -0,0 +1,39 @@
+using Bootstrap.Admin.Components;
+using Bootstrap.DataAccess;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace Bootstrap.Pages.Admin.Components
+{
+    /// <summary>
+    /// 部门维护组件
+    /// </summary>
+    public class RolesBase : QueryPageBase<Role>
+    {
+        /// <summary>
+        /// 查询方法
+        /// </summary>
+        /// <param name="pageIndex">页码</param>
+        /// <param name="pageItems">每页显示数据条目数量</param>
+        protected override QueryData<Role> Query(int pageIndex, int pageItems)
+        {
+            var data = RoleHelper.Retrieves();
+            if (!string.IsNullOrEmpty(QueryModel.RoleName)) data = data.Where(d => d.RoleName.Contains(QueryModel.RoleName, StringComparison.OrdinalIgnoreCase));
+            if (!string.IsNullOrEmpty(QueryModel.Description)) data = data.Where(d => d.Description != null && d.Description.Contains(QueryModel.Description, StringComparison.OrdinalIgnoreCase));
+            var totalCount = data.Count();
+            var items = data.Skip((pageIndex - 1) * pageItems).Take(pageItems);
+            return new QueryData<Role>() { Items = items, TotalCount = totalCount, PageIndex = pageIndex, PageItems = pageItems };
+        }
+
+        /// <summary>
+        /// 保存方法
+        /// </summary>
+        protected override bool Save(Role item) => RoleHelper.Save(item);
+
+        /// <summary>
+        /// 删除方法
+        /// </summary>
+        protected override bool Delete(IEnumerable<Role> items) => RoleHelper.Delete(items.Select(item => item.Id ?? ""));
+    }
+}
diff --git a/src/admin/Bootstrap.Admin/Views/Admin/Roles.cshtml b/src/admin/Bootstrap.Admin/Views/Admin/Roles.cshtml
index b4ca6f5c..fe78fd5d 100644
--- a/src/admin/Bootstrap.Admin/Views/Admin/Roles.cshtml
+++ b/src/admin/Bootstrap.Admin/Views/Admin/Roles.cshtml
@@ -78,7 +78,7 @@
                 <div class="form-group col-sm-6">
                     <input type="hidden" id="roleID" />
                     <label class="control-label" for="roleDesc">角色描述</label>
-                    <input type="text" class="form-control" id="roleDesc" placeholder="描述信息(可为空)，50字以内" maxlength="50" />
+                    <input type="text" class="form-control" id="roleDesc" placeholder="描述信息(可为空)，500字以内" maxlength="500" />
                 </div>
             </div>
         </form>
diff --git a/src/admin/Bootstrap.DataAccess/Role.cs b/src/admin/Bootstrap.DataAccess/Role.cs
index ee0e5df3..e73c1ab4 100644
--- a/src/admin/Bootstrap.DataAccess/Role.cs
+++ b/src/admin/Bootstrap.DataAccess/Role.cs
@@ -2,12 +2,13 @@
 using PetaPoco;
 using System;
 using System.Collections.Generic;
+using System.ComponentModel;
 using System.Linq;
 
 namespace Bootstrap.DataAccess
 {
     /// <summary>
-    /// 
+    /// 角色实体类
     /// </summary>
     [TableName("Roles")]
     public class Role
@@ -20,11 +21,13 @@ namespace Bootstrap.DataAccess
         /// <summary>
         /// 获得/设置 角色名称
         /// </summary>
+        [DisplayName("角色名称")]
         public string RoleName { get; set; } = "";
 
         /// <summary>
         /// 获得/设置 角色描述
         /// </summary>
+        [DisplayName("角色描述")]
         public string Description { get; set; } = "";
 
         /// <summary>
@@ -213,7 +216,7 @@ namespace Bootstrap.DataAccess
         }
 
         /// <summary>
-        /// 
+        /// 通过指定登录用户名获得角色列表
         /// </summary>
         /// <param name="userName"></param>
         /// <returns></returns>