diff --git a/adminSystem/src/api/system-manage.ts b/adminSystem/src/api/system-manage.ts
index 09949f0..2a26a59 100644
--- a/adminSystem/src/api/system-manage.ts
+++ b/adminSystem/src/api/system-manage.ts
@@ -58,6 +58,65 @@ export function fetchGetRoleList(params: Api.SystemManage.RoleSearchParams) {
   })
 }
 
+// 获取所有角色（下拉选择用）
+export function fetchGetAllRoles() {
+  return request.get<{ roleId: number; roleName: string; roleCode: string }[]>({
+    url: '/api/role/all'
+  })
+}
+
+// 创建角色
+export function fetchCreateRole(data: {
+  roleName: string
+  roleCode: string
+  description?: string
+  enabled?: boolean
+}) {
+  return request.post({
+    url: '/api/role',
+    params: data,
+    showSuccessMessage: true
+  })
+}
+
+// 更新角色
+export function fetchUpdateRole(id: number, data: {
+  roleName?: string
+  roleCode?: string
+  description?: string
+  enabled?: boolean
+}) {
+  return request.put({
+    url: `/api/role/${id}`,
+    params: data,
+    showSuccessMessage: true
+  })
+}
+
+// 删除角色
+export function fetchDeleteRole(id: number) {
+  return request.del({
+    url: `/api/role/${id}`,
+    showSuccessMessage: true
+  })
+}
+
+// 获取角色的菜单权限
+export function fetchGetRoleMenus(roleId: number) {
+  return request.get<number[]>({
+    url: `/api/role/${roleId}/menus`
+  })
+}
+
+// 设置角色的菜单权限
+export function fetchSetRoleMenus(roleId: number, menuIds: number[]) {
+  return request.put({
+    url: `/api/role/${roleId}/menus`,
+    params: { menuIds },
+    showSuccessMessage: true
+  })
+}
+
 // 获取菜单列表
 export function fetchGetMenuList() {
   return request.get<AppRouteRecord[]>({
diff --git a/adminSystem/src/views/system/role/index.vue b/adminSystem/src/views/system/role/index.vue
index aca447e..43ae3b6 100644
--- a/adminSystem/src/views/system/role/index.vue
+++ b/adminSystem/src/views/system/role/index.vue
@@ -58,12 +58,12 @@
 <script setup lang="ts">
   import { ButtonMoreItem } from '@/components/core/forms/art-button-more/index.vue'
   import { useTable } from '@/hooks/core/useTable'
-  import { fetchGetRoleList } from '@/api/system-manage'
+  import { fetchGetRoleList, fetchDeleteRole } from '@/api/system-manage'
   import ArtButtonMore from '@/components/core/forms/art-button-more/index.vue'
   import RoleSearch from './modules/role-search.vue'
   import RoleEditDialog from './modules/role-edit-dialog.vue'
   import RolePermissionDialog from './modules/role-permission-dialog.vue'
-  import { ElTag, ElMessageBox } from 'element-plus'
+  import { ElTag, ElMessageBox, ElMessage } from 'element-plus'
 
   defineOptions({ name: 'Role' })
 
@@ -224,19 +224,20 @@
     currentRoleData.value = row
   }
 
-  const deleteRole = (row: RoleListItem) => {
-    ElMessageBox.confirm(`确定删除角色"${row.roleName}"吗？此操作不可恢复！`, '删除确认', {
-      confirmButtonText: '确定',
-      cancelButtonText: '取消',
-      type: 'warning'
-    })
-      .then(() => {
-        // TODO: 调用删除接口
-        ElMessage.success('删除成功')
-        refreshData()
-      })
-      .catch(() => {
-        ElMessage.info('已取消删除')
+  const deleteRole = async (row: RoleListItem) => {
+    try {
+      await ElMessageBox.confirm(`确定删除角色"${row.roleName}"吗？此操作不可恢复！`, '删除确认', {
+        confirmButtonText: '确定',
+        cancelButtonText: '取消',
+        type: 'warning'
       })
+      
+      await fetchDeleteRole(row.roleId)
+      refreshData()
+    } catch (error: any) {
+      if (error !== 'cancel') {
+        console.error('删除角色失败:', error)
+      }
+    }
   }
 </script>
diff --git a/adminSystem/src/views/system/role/modules/role-edit-dialog.vue b/adminSystem/src/views/system/role/modules/role-edit-dialog.vue
index 46ff9b1..6a1dd60 100644
--- a/adminSystem/src/views/system/role/modules/role-edit-dialog.vue
+++ b/adminSystem/src/views/system/role/modules/role-edit-dialog.vue
@@ -27,13 +27,14 @@
     </ElForm>
     <template #footer>
       <ElButton @click="handleClose">取消</ElButton>
-      <ElButton type="primary" @click="handleSubmit">提交</ElButton>
+      <ElButton type="primary" :loading="submitting" @click="handleSubmit">提交</ElButton>
     </template>
   </ElDialog>
 </template>
 
 <script setup lang="ts">
   import type { FormInstance, FormRules } from 'element-plus'
+  import { fetchCreateRole, fetchUpdateRole } from '@/api/system-manage'
 
   type RoleListItem = Api.SystemManage.RoleListItem
 
@@ -57,6 +58,7 @@
   const emit = defineEmits<Emits>()
 
   const formRef = ref<FormInstance>()
+  const submitting = ref(false)
 
   /**
    * 弹窗显示状态双向绑定
@@ -77,8 +79,7 @@
     roleCode: [
       { required: true, message: '请输入角色编码', trigger: 'blur' },
       { min: 2, max: 50, message: '长度在 2 到 50 个字符', trigger: 'blur' }
-    ],
-    description: [{ required: true, message: '请输入角色描述', trigger: 'blur' }]
+    ]
   })
 
   /**
@@ -150,13 +151,30 @@
 
     try {
       await formRef.value.validate()
-      // TODO: 调用新增/编辑接口
-      const message = props.dialogType === 'add' ? '新增成功' : '修改成功'
-      ElMessage.success(message)
+      submitting.value = true
+      
+      if (props.dialogType === 'add') {
+        await fetchCreateRole({
+          roleName: form.roleName,
+          roleCode: form.roleCode,
+          description: form.description || undefined,
+          enabled: form.enabled
+        })
+      } else {
+        await fetchUpdateRole(form.roleId, {
+          roleName: form.roleName,
+          roleCode: form.roleCode,
+          description: form.description || undefined,
+          enabled: form.enabled
+        })
+      }
+      
       emit('success')
       handleClose()
     } catch (error) {
       console.log('表单验证失败:', error)
+    } finally {
+      submitting.value = false
     }
   }
 </script>
diff --git a/adminSystem/src/views/system/role/modules/role-permission-dialog.vue b/adminSystem/src/views/system/role/modules/role-permission-dialog.vue
index 3691ac8..efd47a8 100644
--- a/adminSystem/src/views/system/role/modules/role-permission-dialog.vue
+++ b/adminSystem/src/views/system/role/modules/role-permission-dialog.vue
@@ -12,9 +12,9 @@
         ref="treeRef"
         :data="processedMenuList"
         show-checkbox
-        node-key="name"
+        node-key="id"
         :default-expand-all="isExpandAll"
-        :default-checked-keys="[1, 2, 3]"
+        :default-checked-keys="checkedMenuIds"
         :props="defaultProps"
         @check="handleTreeCheck"
       >
@@ -29,13 +29,11 @@
       </ElTree>
     </ElScrollbar>
     <template #footer>
-      <ElButton @click="outputSelectedData" style="margin-left: 8px">获取选中数据</ElButton>
-
       <ElButton @click="toggleExpandAll">{{ isExpandAll ? '全部收起' : '全部展开' }}</ElButton>
       <ElButton @click="toggleSelectAll" style="margin-left: 8px">{{
         isSelectAll ? '取消全选' : '全部选择'
       }}</ElButton>
-      <ElButton type="primary" @click="savePermission">保存</ElButton>
+      <ElButton type="primary" :loading="saving" @click="savePermission">保存</ElButton>
     </template>
   </ElDialog>
 </template>
@@ -43,6 +41,7 @@
 <script setup lang="ts">
   import { useMenuStore } from '@/store/modules/menu'
   import { formatMenuTitle } from '@/utils/router'
+  import { fetchGetRoleMenus, fetchSetRoleMenus } from '@/api/system-manage'
 
   type RoleListItem = Api.SystemManage.RoleListItem
 
@@ -67,6 +66,8 @@
   const treeRef = ref()
   const isExpandAll = ref(true)
   const isSelectAll = ref(false)
+  const checkedMenuIds = ref<number[]>([])
+  const saving = ref(false)
 
   /**
    * 弹窗显示状态双向绑定
@@ -141,10 +142,19 @@
    */
   watch(
     () => props.modelValue,
-    (newVal) => {
+    async (newVal) => {
       if (newVal && props.roleData) {
-        // TODO: 根据角色加载对应的权限数据
-        console.log('设置权限:', props.roleData)
+        try {
+          const menuIds = await fetchGetRoleMenus(props.roleData.roleId)
+          checkedMenuIds.value = menuIds || []
+          // 等待 DOM 更新后设置选中状态
+          nextTick(() => {
+            treeRef.value?.setCheckedKeys(checkedMenuIds.value)
+          })
+        } catch (error) {
+          console.error('获取角色菜单权限失败:', error)
+          checkedMenuIds.value = []
+        }
       }
     }
   )
@@ -154,17 +164,35 @@
    */
   const handleClose = () => {
     visible.value = false
+    checkedMenuIds.value = []
     treeRef.value?.setCheckedKeys([])
   }
 
   /**
    * 保存权限配置
    */
-  const savePermission = () => {
-    // TODO: 调用保存权限接口
-    ElMessage.success('权限保存成功')
-    emit('success')
-    handleClose()
+  const savePermission = async () => {
+    if (!props.roleData) return
+    
+    const tree = treeRef.value
+    if (!tree) return
+
+    // 获取选中的菜单ID（只获取数字类型的ID，排除权限节点）
+    const checkedKeys = tree.getCheckedKeys()
+    const halfCheckedKeys = tree.getHalfCheckedKeys()
+    const allKeys = [...checkedKeys, ...halfCheckedKeys]
+    const menuIds = allKeys.filter((key: any) => typeof key === 'number') as number[]
+
+    saving.value = true
+    try {
+      await fetchSetRoleMenus(props.roleData.roleId, menuIds)
+      emit('success')
+      handleClose()
+    } catch (error) {
+      console.error('保存权限失败:', error)
+    } finally {
+      saving.value = false
+    }
   }
 
   /**
@@ -205,11 +233,11 @@
    * @param nodes 节点列表
    * @returns 所有节点的 key 数组
    */
-  const getAllNodeKeys = (nodes: MenuNode[]): string[] => {
-    const keys: string[] = []
+  const getAllNodeKeys = (nodes: MenuNode[]): (string | number)[] => {
+    const keys: (string | number)[] = []
     const traverse = (nodeList: MenuNode[]): void => {
       nodeList.forEach((node) => {
-        if (node.name) keys.push(node.name)
+        if (node.id !== undefined) keys.push(node.id)
         if (node.children?.length) traverse(node.children)
       })
     }
@@ -230,25 +258,4 @@
 
     isSelectAll.value = checkedKeys.length === allKeys.length && allKeys.length > 0
   }
-
-  /**
-   * 输出选中的权限数据到控制台
-   * 用于调试和查看当前选中的权限配置
-   */
-  const outputSelectedData = () => {
-    const tree = treeRef.value
-    if (!tree) return
-
-    const selectedData = {
-      checkedKeys: tree.getCheckedKeys(),
-      halfCheckedKeys: tree.getHalfCheckedKeys(),
-      checkedNodes: tree.getCheckedNodes(),
-      halfCheckedNodes: tree.getHalfCheckedNodes(),
-      totalChecked: tree.getCheckedKeys().length,
-      totalHalfChecked: tree.getHalfCheckedKeys().length
-    }
-
-    console.log('=== 选中的权限数据 ===', selectedData)
-    ElMessage.success(`已输出选中数据到控制台，共选中 ${selectedData.totalChecked} 个节点`)
-  }
 </script>
diff --git a/backend-csharp/AmtScanner.Api/Controllers/RoleController.cs b/backend-csharp/AmtScanner.Api/Controllers/RoleController.cs
index 185c40f..8ca8112 100644
--- a/backend-csharp/AmtScanner.Api/Controllers/RoleController.cs
+++ b/backend-csharp/AmtScanner.Api/Controllers/RoleController.cs
@@ -67,6 +67,231 @@ public class RoleController : ControllerBase
             Total = total
         }));
     }
+
+    /// <summary>
+    /// 获取所有角色（下拉选择用）
+    /// </summary>
+    [HttpGet("all")]
+    public async Task<ActionResult<ApiResponse<List<RoleSimpleDto>>>> GetAllRoles()
+    {
+        var roles = await _context.Roles
+            .Where(r => r.Enabled)
+            .OrderBy(r => r.Id)
+            .Select(r => new RoleSimpleDto
+            {
+                RoleId = r.Id,
+                RoleName = r.RoleName,
+                RoleCode = r.RoleCode
+            })
+            .ToListAsync();
+
+        return Ok(ApiResponse<List<RoleSimpleDto>>.Success(roles));
+    }
+
+    /// <summary>
+    /// 获取角色详情
+    /// </summary>
+    [HttpGet("{id}")]
+    public async Task<ActionResult<ApiResponse<RoleListItemDto>>> GetRole(int id)
+    {
+        var role = await _context.Roles.FindAsync(id);
+        if (role == null)
+        {
+            return NotFound(ApiResponse<RoleListItemDto>.Fail(404, "角色不存在"));
+        }
+
+        return Ok(ApiResponse<RoleListItemDto>.Success(new RoleListItemDto
+        {
+            RoleId = role.Id,
+            RoleName = role.RoleName,
+            RoleCode = role.RoleCode,
+            Description = role.Description,
+            Enabled = role.Enabled,
+            CreateTime = role.CreatedAt.ToString("yyyy-MM-dd HH:mm:ss")
+        }));
+    }
+
+    /// <summary>
+    /// 创建角色
+    /// </summary>
+    [HttpPost]
+    public async Task<ActionResult<ApiResponse<RoleListItemDto>>> CreateRole([FromBody] CreateRoleDto dto)
+    {
+        // 检查角色编码是否已存在
+        if (await _context.Roles.AnyAsync(r => r.RoleCode == dto.RoleCode))
+        {
+            return BadRequest(ApiResponse<RoleListItemDto>.Fail(400, "角色编码已存在"));
+        }
+
+        // 检查角色名称是否已存在
+        if (await _context.Roles.AnyAsync(r => r.RoleName == dto.RoleName))
+        {
+            return BadRequest(ApiResponse<RoleListItemDto>.Fail(400, "角色名称已存在"));
+        }
+
+        var role = new Role
+        {
+            RoleName = dto.RoleName,
+            RoleCode = dto.RoleCode,
+            Description = dto.Description,
+            Enabled = dto.Enabled,
+            CreatedAt = DateTime.UtcNow
+        };
+
+        _context.Roles.Add(role);
+        await _context.SaveChangesAsync();
+
+        return Ok(ApiResponse<RoleListItemDto>.Success(new RoleListItemDto
+        {
+            RoleId = role.Id,
+            RoleName = role.RoleName,
+            RoleCode = role.RoleCode,
+            Description = role.Description,
+            Enabled = role.Enabled,
+            CreateTime = role.CreatedAt.ToString("yyyy-MM-dd HH:mm:ss")
+        }, "创建成功"));
+    }
+
+    /// <summary>
+    /// 更新角色
+    /// </summary>
+    [HttpPut("{id}")]
+    public async Task<ActionResult<ApiResponse<RoleListItemDto>>> UpdateRole(int id, [FromBody] UpdateRoleDto dto)
+    {
+        var role = await _context.Roles.FindAsync(id);
+        if (role == null)
+        {
+            return NotFound(ApiResponse<RoleListItemDto>.Fail(404, "角色不存在"));
+        }
+
+        // 检查角色编码是否与其他角色重复
+        if (!string.IsNullOrEmpty(dto.RoleCode) && dto.RoleCode != role.RoleCode)
+        {
+            if (await _context.Roles.AnyAsync(r => r.RoleCode == dto.RoleCode && r.Id != id))
+            {
+                return BadRequest(ApiResponse<RoleListItemDto>.Fail(400, "角色编码已存在"));
+            }
+            role.RoleCode = dto.RoleCode;
+        }
+
+        // 检查角色名称是否与其他角色重复
+        if (!string.IsNullOrEmpty(dto.RoleName) && dto.RoleName != role.RoleName)
+        {
+            if (await _context.Roles.AnyAsync(r => r.RoleName == dto.RoleName && r.Id != id))
+            {
+                return BadRequest(ApiResponse<RoleListItemDto>.Fail(400, "角色名称已存在"));
+            }
+            role.RoleName = dto.RoleName;
+        }
+
+        if (dto.Description != null)
+        {
+            role.Description = dto.Description;
+        }
+
+        if (dto.Enabled.HasValue)
+        {
+            role.Enabled = dto.Enabled.Value;
+        }
+
+        await _context.SaveChangesAsync();
+
+        return Ok(ApiResponse<RoleListItemDto>.Success(new RoleListItemDto
+        {
+            RoleId = role.Id,
+            RoleName = role.RoleName,
+            RoleCode = role.RoleCode,
+            Description = role.Description,
+            Enabled = role.Enabled,
+            CreateTime = role.CreatedAt.ToString("yyyy-MM-dd HH:mm:ss")
+        }, "更新成功"));
+    }
+
+    /// <summary>
+    /// 删除角色
+    /// </summary>
+    [HttpDelete("{id}")]
+    public async Task<ActionResult<ApiResponse<object>>> DeleteRole(int id)
+    {
+        var role = await _context.Roles
+            .Include(r => r.UserRoles)
+            .Include(r => r.RoleMenus)
+            .FirstOrDefaultAsync(r => r.Id == id);
+
+        if (role == null)
+        {
+            return NotFound(ApiResponse<object>.Fail(404, "角色不存在"));
+        }
+
+        // 检查是否有用户使用该角色
+        if (role.UserRoles.Any())
+        {
+            return BadRequest(ApiResponse<object>.Fail(400, "该角色下存在用户，无法删除"));
+        }
+
+        // 删除角色菜单关联
+        _context.RoleMenus.RemoveRange(role.RoleMenus);
+        
+        // 删除角色
+        _context.Roles.Remove(role);
+        await _context.SaveChangesAsync();
+
+        return Ok(ApiResponse<object>.Success(null, "删除成功"));
+    }
+
+    /// <summary>
+    /// 获取角色的菜单权限
+    /// </summary>
+    [HttpGet("{id}/menus")]
+    public async Task<ActionResult<ApiResponse<List<int>>>> GetRoleMenus(int id)
+    {
+        var role = await _context.Roles.FindAsync(id);
+        if (role == null)
+        {
+            return NotFound(ApiResponse<List<int>>.Fail(404, "角色不存在"));
+        }
+
+        var menuIds = await _context.RoleMenus
+            .Where(rm => rm.RoleId == id)
+            .Select(rm => rm.MenuId)
+            .ToListAsync();
+
+        return Ok(ApiResponse<List<int>>.Success(menuIds));
+    }
+
+    /// <summary>
+    /// 设置角色的菜单权限
+    /// </summary>
+    [HttpPut("{id}/menus")]
+    public async Task<ActionResult<ApiResponse<object>>> SetRoleMenus(int id, [FromBody] SetRoleMenusDto dto)
+    {
+        var role = await _context.Roles.FindAsync(id);
+        if (role == null)
+        {
+            return NotFound(ApiResponse<object>.Fail(404, "角色不存在"));
+        }
+
+        // 删除原有的菜单权限
+        var existingMenus = await _context.RoleMenus
+            .Where(rm => rm.RoleId == id)
+            .ToListAsync();
+        _context.RoleMenus.RemoveRange(existingMenus);
+
+        // 添加新的菜单权限
+        if (dto.MenuIds != null && dto.MenuIds.Any())
+        {
+            var newMenus = dto.MenuIds.Select(menuId => new RoleMenu
+            {
+                RoleId = id,
+                MenuId = menuId
+            });
+            _context.RoleMenus.AddRange(newMenus);
+        }
+
+        await _context.SaveChangesAsync();
+
+        return Ok(ApiResponse<object>.Success(null, "菜单权限设置成功"));
+    }
 }
 
 /// <summary>
@@ -81,3 +306,43 @@ public class RoleListItemDto
     public bool Enabled { get; set; }
     public string CreateTime { get; set; } = string.Empty;
 }
+
+/// <summary>
+/// 角色简单 DTO（下拉选择用）
+/// </summary>
+public class RoleSimpleDto
+{
+    public int RoleId { get; set; }
+    public string RoleName { get; set; } = string.Empty;
+    public string RoleCode { get; set; } = string.Empty;
+}
+
+/// <summary>
+/// 创建角色 DTO
+/// </summary>
+public class CreateRoleDto
+{
+    public string RoleName { get; set; } = string.Empty;
+    public string RoleCode { get; set; } = string.Empty;
+    public string? Description { get; set; }
+    public bool Enabled { get; set; } = true;
+}
+
+/// <summary>
+/// 更新角色 DTO
+/// </summary>
+public class UpdateRoleDto
+{
+    public string? RoleName { get; set; }
+    public string? RoleCode { get; set; }
+    public string? Description { get; set; }
+    public bool? Enabled { get; set; }
+}
+
+/// <summary>
+/// 设置角色菜单 DTO
+/// </summary>
+public class SetRoleMenusDto
+{
+    public List<int>? MenuIds { get; set; }
+}