diff --git a/src/admin/Bootstrap.Admin/Pages/Views/Admin/Menus.razor b/src/admin/Bootstrap.Admin/Pages/Views/Admin/Menus.razor
index e9f1551e..aaed3f74 100644
--- a/src/admin/Bootstrap.Admin/Pages/Views/Admin/Menus.razor
+++ b/src/admin/Bootstrap.Admin/Pages/Views/Admin/Menus.razor
@@ -61,4 +61,4 @@
     </ItemTemplate>
 </AssignModal>
 
-<Toast @ref="Toast" Id="menu_role_toast"></Toast>
+<Toast @ref="Toast" Id="menu_assign_toast"></Toast>
diff --git a/src/admin/Bootstrap.Admin/Pages/Views/Admin/Users.razor b/src/admin/Bootstrap.Admin/Pages/Views/Admin/Users.razor
index 9524b479..79cf1f36 100644
--- a/src/admin/Bootstrap.Admin/Pages/Views/Admin/Users.razor
+++ b/src/admin/Bootstrap.Admin/Pages/Views/Admin/Users.razor
@@ -1,6 +1,6 @@
 @inherits UsersBase
 
-<EditPage Id="user" FixedHeader="@FixedHeader" TItem="Bootstrap.DataAccess.User" SubmitModalTitle="用户编辑窗口" QueryModel="QueryModel" OnQuery="Query" OnAdd="Add" OnDelete="Delete" OnSave="Save" OnResetSearch="ResetSearch">
+<EditPage @ref="EditPage" Id="user" FixedHeader="@FixedHeader" TItem="Bootstrap.DataAccess.User" SubmitModalTitle="用户编辑窗口" QueryModel="QueryModel" OnQuery="Query" OnAdd="Add" OnDelete="Delete" OnSave="Save" OnResetSearch="ResetSearch">
     <QueryBody>
         <LgbInputText ColumnClass="col-sm-auto" @bind-Value="@context.UserName" maxlength="50" />
         <LgbInputText ColumnClass="col-sm-auto" @bind-Value="@context.DisplayName" maxlength="50" />
@@ -47,3 +47,17 @@
         </div>
     </EditTemplate>
 </EditPage>
+
+<AssignModal @ref="AssignGroupModal" TItem="Bootstrap.DataAccess.Group" Id="user-group" Title="部门授权窗口" OnSave="SaveGroups">
+    <ItemTemplate>
+        <Checkbox TItem="Bootstrap.DataAccess.Group" Item="@context" Text="@context.GroupName" SetCheckCallback="SetGroupCheck" OnClick="OnGroupClick" />
+    </ItemTemplate>
+</AssignModal>
+
+<AssignModal @ref="AssignRoleModal" TItem="Bootstrap.DataAccess.Role" Id="user-role" Title="角色授权窗口" OnSave="SaveRoles">
+    <ItemTemplate>
+        <Checkbox TItem="Bootstrap.DataAccess.Role" Item="@context" Text="@context.RoleName" SetCheckCallback="SetCheck" OnClick="OnClick" />
+    </ItemTemplate>
+</AssignModal>
+
+<Toast @ref="Toast" Id="user_assign_toast"></Toast>
diff --git a/src/admin/Bootstrap.Admin/Pages/Views/Components/UsersBase.cs b/src/admin/Bootstrap.Admin/Pages/Views/Components/UsersBase.cs
index 814a3088..52f4706b 100644
--- a/src/admin/Bootstrap.Admin/Pages/Views/Components/UsersBase.cs
+++ b/src/admin/Bootstrap.Admin/Pages/Views/Components/UsersBase.cs
@@ -1,4 +1,5 @@
 using Bootstrap.Admin.Pages.Components;
+using Bootstrap.Admin.Pages.Shared;
 using Bootstrap.DataAccess;
 using System;
 using System.Collections.Generic;
@@ -21,7 +22,7 @@ namespace Bootstrap.Admin.Pages.Views.Admin.Components
             if (!string.IsNullOrEmpty(QueryModel.UserName)) data = data.Where(d => d.UserName.Contains(QueryModel.UserName, StringComparison.OrdinalIgnoreCase));
             if (!string.IsNullOrEmpty(QueryModel.DisplayName)) data = data.Where(d => d.DisplayName.Contains(QueryModel.DisplayName, StringComparison.OrdinalIgnoreCase));
             if (!string.IsNullOrEmpty(options.SearchText)) data = data.Where(d => d.UserName.Contains(options.SearchText, StringComparison.OrdinalIgnoreCase) || d.DisplayName.Contains(options.SearchText, StringComparison.OrdinalIgnoreCase));
-            
+
             // sort
             data = options.SortName switch
             {
@@ -59,19 +60,134 @@ namespace Bootstrap.Admin.Pages.Views.Admin.Components
         }
 
         /// <summary>
-        /// 分配部门方法
+        /// 获得/设置 Modal 实例
+        /// </summary>
+        protected AssignModalBase<Group>? AssignGroupModal { get; set; }
+
+        /// <summary>
+        /// 弹窗分配角色方法
         /// </summary>
         protected void AssignGroups()
         {
-
+            // 菜单对角色授权操作
+            if (EditPage != null)
+            {
+                if (EditPage.SelectedItems.Count() != 1)
+                {
+                    ShowMessage("部门授权", "请选择一个用户", ToastCategory.Information);
+                }
+                else
+                {
+                    var userId = EditPage.SelectedItems.First().Id;
+                    if (!string.IsNullOrEmpty(userId))
+                    {
+                        var groups = GroupHelper.RetrievesByUserId(userId);
+                        AssignGroupModal?.Update(groups);
+                    }
+                }
+            }
         }
 
         /// <summary>
-        /// 分配角色方法
+        /// 保存授权部门方法
+        /// </summary>
+        protected void SaveGroups(IEnumerable<Group> groups)
+        {
+            bool ret = false;
+            if (EditPage != null && EditPage.SelectedItems.Any())
+            {
+                var userId = EditPage.SelectedItems.First().Id;
+                var groupIds = groups.Where(r => r.Checked == "checked").Select(r => r.Id ?? "");
+                if (!string.IsNullOrEmpty(userId)) ret = GroupHelper.SaveByUserId(userId, groupIds);
+            }
+            ShowMessage("部门授权", ret ? "保存成功" : "保存失败", ret ? ToastCategory.Success : ToastCategory.Error);
+        }
+
+        /// <summary>
+        /// 选择框点击时调用此方法
+        /// </summary>
+        /// <param name="item"></param>
+        /// <param name="check"></param>
+        protected void OnGroupClick(Group item, bool check)
+        {
+            item.Checked = check ? "checked" : "";
+        }
+
+        /// <summary>
+        /// 设置初始化值
+        /// </summary>
+        protected CheckBoxState SetGroupCheck(Group item) => item.Checked == "checked" ? CheckBoxState.Checked : CheckBoxState.UnChecked;
+
+        /// <summary>
+        /// Toast 组件实例
+        /// </summary>
+        protected Toast? Toast { get; set; }
+
+        /// <summary>
+        /// 显示提示信息
+        /// </summary>
+        /// <param name="title"></param>
+        /// <param name="text"></param>
+        /// <param name="cate"></param>
+        protected void ShowMessage(string title, string text, ToastCategory cate = ToastCategory.Success) => Toast?.ShowMessage(title, text, cate);
+
+        /// <summary>
+        /// 获得/设置 Modal 实例
+        /// </summary>
+        protected AssignModalBase<Role>? AssignRoleModal { get; set; }
+
+        /// <summary>
+        /// 弹窗分配角色方法
         /// </summary>
         protected void AssignRoles()
         {
-
+            // 菜单对角色授权操作
+            if (EditPage != null)
+            {
+                if (EditPage.SelectedItems.Count() != 1)
+                {
+                    ShowMessage("角色授权", "请选择一个用户", ToastCategory.Information);
+                }
+                else
+                {
+                    var userId = EditPage.SelectedItems.First().Id;
+                    if (!string.IsNullOrEmpty(userId))
+                    {
+                        var roles = RoleHelper.RetrievesByUserId(userId);
+                        AssignRoleModal?.Update(roles);
+                    }
+                }
+            }
         }
+
+        /// <summary>
+        /// 保存授权角色方法
+        /// </summary>
+        protected void SaveRoles(IEnumerable<Role> roles)
+        {
+            bool ret = false;
+            if (EditPage != null && EditPage.SelectedItems.Any())
+            {
+                var userId = EditPage.SelectedItems.First().Id;
+                var roleIds = roles.Where(r => r.Checked == "checked").Select(r => r.Id ?? "");
+                if (!string.IsNullOrEmpty(userId)) ret = RoleHelper.SaveByUserId(userId, roleIds);
+            }
+            ShowMessage("角色授权", ret ? "保存成功" : "保存失败", ret ? ToastCategory.Success : ToastCategory.Error);
+        }
+
+        /// <summary>
+        /// 选择框点击时调用此方法
+        /// </summary>
+        /// <param name="item"></param>
+        /// <param name="check"></param>
+        protected void OnClick(Role item, bool check)
+        {
+            item.Checked = check ? "checked" : "";
+        }
+
+        /// <summary>
+        /// 设置初始化值
+        /// </summary>
+        protected CheckBoxState SetCheck(Role item) => item.Checked == "checked" ? CheckBoxState.Checked : CheckBoxState.UnChecked;
     }
 }