diff --git a/src/api/system/role/index.ts b/src/api/system/role/index.ts
index 3325dde..b550b78 100644
--- a/src/api/system/role/index.ts
+++ b/src/api/system/role/index.ts
@@ -17,6 +17,21 @@ export interface UpdateStatusReqVO {
   status: number
 }
 
+// 获取登陆用户的应用
+export const getMyPage = async (params: PageParam) => {
+  return await request.get({ url: '/system/oauth2-client/myPage', params })
+}
+
+// 获取角色下的应用id
+export const getRoleAppIds = async (roleId: number) => {
+  return await request.get({ url: '/system/permission/list-role-clients?roleId=' + roleId })
+}
+
+// 新增角色
+export const saveApp = async (data: any) => {
+  return await request.post({ url: '/system/permission/assign-role-client', data })
+}
+
 // 查询角色列表
 export const getRolePage = async (params: PageParam) => {
   return await request.get({ url: '/system/role/page', params })
diff --git a/src/views/system/role/RoleAssignAppForm.vue b/src/views/system/role/RoleAssignAppForm.vue
new file mode 100644
index 0000000..f9e8b13
--- /dev/null
+++ b/src/views/system/role/RoleAssignAppForm.vue
@@ -0,0 +1,233 @@
+<template>
+  <DesignPopup v-model="dialogVisible" title="应用权限" :is-footer="true" width="40%">
+    <div class="p-20px">
+      <el-form ref="formRef" v-loading="formLoading" :model="formData" label-width="80px">
+        <el-form-item label="角色名称">
+          <el-tag>{{ formData.name }}</el-tag>
+        </el-form-item>
+        <el-form-item label="角色标识">
+          <el-tag>{{ formData.code }}</el-tag>
+        </el-form-item>
+        <el-form-item label="应用权限">
+          <el-card class="w-full h-400px !overflow-y-scroll" shadow="never">
+            <template #header>
+              全选/全不选:
+              <el-switch
+                v-model="treeNodeAll"
+                active-text="是"
+                inactive-text="否"
+                inline-prompt
+                @change="handleCheckedTreeNodeAll"
+              />
+            </template>
+            <!-- 修复：移除未使用的node变量，优化无子集Tree展示 -->
+            <el-tree
+              ref="treeRef"
+              :data="appOptions"
+              :props="{ label: 'name', children: 'children' }"
+              empty-text="暂无应用数据"
+              node-key="id"
+              show-checkbox
+              check-strictly
+              v-loading="tableLoading"
+              class="app-tree-list"
+              :indent="0" 
+            >
+              <!-- 修复：只解构使用到的data，删除未使用的node -->
+              <template #default="{ data }">
+                <div class="app-tree-node">
+                  <span class="node-name">{{ data.name }}</span>
+                  <span class="node-clientId">客户端ID：{{ data.clientId }}</span>
+                  <span class="node-status">
+                    <dict-tag :type="DICT_TYPE.COMMON_STATUS" :value="data.status" />
+                  </span>
+                </div>
+              </template>
+            </el-tree>
+          </el-card>
+        </el-form-item>
+      </el-form>
+    </div>
+    <template #footer>
+      <el-button :disabled="formLoading" type="primary" @click="submitForm">确 定</el-button>
+      <el-button @click="dialogVisible = false">取 消</el-button>
+    </template>
+  </DesignPopup>
+</template>
+
+<script lang="ts" setup>
+import { DICT_TYPE } from '@/utils/dict'
+import * as RoleApi from '@/api/system/role'
+
+defineOptions({ name: 'SystemRoleAssignAppForm' })
+
+const { t } = useI18n()
+const message = useMessage()
+
+const dialogVisible = ref(false)
+const formLoading = ref(false)
+const tableLoading = ref(false)
+const formData = ref({
+  id: 0,
+  name: '',
+  code: '',
+  clientIds: [] as number[]
+})
+const formRef = ref()
+const treeRef = ref()
+const appOptions = ref<any[]>([])
+const treeNodeAll = ref(false)
+
+// 优化Tree配置：明确指定无children，纯列表展示
+const treeProps = {
+  label: 'name',
+  children: () => [] // 强制返回空数组，彻底避免树形层级
+}
+
+/** 打开弹窗 */
+const open = async (row: RoleApi.RoleVO) => {
+  dialogVisible.value = true
+  formLoading.value = true
+  resetForm()
+  // 设置角色信息
+  formData.value.id = row.id
+  formData.value.name = row.name
+  formData.value.code = row.code
+  try {
+    // 加载应用列表（pageSize=99，模拟不分页）
+    await getAppList()
+    // 获取当前角色已有的应用ID
+    const roleAppIds = await RoleApi.getRoleAppIds(row.id)
+    formData.value.clientIds = roleAppIds
+    // 设置Tree选中状态
+    await nextTick()
+    treeRef.value?.setCheckedNodes([])
+    formData.value.clientIds.forEach(id => {
+      treeRef.value?.setChecked(id, true, false)
+    })
+  } finally {
+    formLoading.value = false
+  }
+}
+defineExpose({ open })
+
+/** 获取应用列表（固定pageSize=99，不分页） */
+const getAppList = async () => {
+  tableLoading.value = true
+  try {
+    const data = await RoleApi.getMyPage({
+      pageNo: 1,
+      pageSize: 99 // 设为99，覆盖大部分场景的数量，模拟不分页
+    })
+    // 优化：确保返回数据绝对没有children字段，避免树形展示
+    appOptions.value = data.list.map(item => {
+      const { children, ...rest } = item // 移除可能存在的children字段
+      return { ...rest, children: [] } // 强制设置空children
+    })
+  } finally {
+    tableLoading.value = false
+  }
+}
+
+/** 全选/全不选（适配Tree组件） */
+const handleCheckedTreeNodeAll = () => {
+  if (treeNodeAll.value) {
+    // 全选：选中所有节点
+    treeRef.value?.setCheckedNodes(appOptions.value)
+    formData.value.clientIds = appOptions.value.map(item => item.id)
+  } else {
+    // 全不选：清空选中
+    treeRef.value?.setCheckedNodes([])
+    formData.value.clientIds = []
+  }
+}
+
+/** 提交表单 */
+const emit = defineEmits(['success'])
+const submitForm = async () => {
+  if (!formRef) return
+  const valid = await formRef.value.validate()
+  if (!valid) return
+  formLoading.value = true
+  try {
+    // 获取Tree选中的节点ID
+    formData.value.clientIds = treeRef.value?.getCheckedKeys(false) as number[]
+    const data = {
+      roleId: formData.value.id,
+      clientIds: formData.value.clientIds
+    }
+    await RoleApi.saveApp(data)
+    message.success(t('common.updateSuccess'))
+    dialogVisible.value = false
+    emit('success')
+  } finally {
+    formLoading.value = false
+  }
+}
+
+/** 重置表单 */
+const resetForm = () => {
+  treeNodeAll.value = false
+  formData.value = {
+    id: 0,
+    name: '',
+    code: '',
+    clientIds: []
+  }
+  appOptions.value = []
+  treeRef.value?.setCheckedNodes([])
+  formRef.value?.resetFields()
+}
+</script>
+
+<style lang="scss" scoped>
+// 自定义Tree节点样式，模拟表格列布局
+.app-tree-list {
+  ::v-deep(.el-tree-node) {
+    height: 40px;
+    line-height: 40px;
+    border-bottom: 1px solid #f5f7fa;
+  }
+
+  ::v-deep(.el-tree-node__content) {
+    padding: 0 10px;
+    height: 40px !important;
+    // 移除树形节点的默认图标
+    .el-tree-node__expand-icon {
+      display: none;
+    }
+  }
+
+  ::v-deep(.el-tree-node__children) {
+    padding-left: 0 !important; // 彻底去掉子节点缩进
+  }
+}
+
+// 节点内容布局
+.app-tree-node {
+  display: flex;
+  align-items: center;
+  width: 100%;
+  .node-name {
+    flex: 0 0 120px;
+    font-weight: 500;
+  }
+  .node-clientId {
+    flex: 0 0 150px;
+    color: #666;
+  }
+  .node-status {
+    flex: 0 0 80px;
+    text-align: center;
+  }
+}
+
+// 卡片样式优化
+::v-deep(.el-card__header) {
+  padding: 10px 20px;
+}
+
+::v-deep(.el-card__body) {
+  padding: 10px;
+}
+</style>
\ No newline at end of file
diff --git a/src/views/system/role/index.vue b/src/views/system/role/index.vue
index 5cca6ce..c3fce47 100644
--- a/src/views/system/role/index.vue
+++ b/src/views/system/role/index.vue
@@ -58,6 +58,15 @@
                   <span>菜单权限</span>
                 </div>
               </el-dropdown-item>
+              <el-dropdown-item
+                :command="{ type: 'app', row }"
+                v-if="checkPermi(['system:permission:assign-role-app'])"
+              >
+                <div class="flex items-center">
+                  <Icon icon="ep:menu" />
+                  <span>应用权限</span>
+                </div>
+              </el-dropdown-item>
               <el-dropdown-item
                 :command="{ type: 'data', row }"
                 v-if="checkPermi(['system:permission:assign-role-data-scope'])"
@@ -86,6 +95,8 @@
   <RoleAssignMenuForm ref="assignMenuFormRef" @success="getTableData" />
   <!-- 表单弹窗：数据权限 -->
   <RoleDataPermissionForm ref="dataPermissionFormRef" @success="getTableData" />
+  <!-- 表单弹窗：应用权限 -->
+  <RoleAssignAppForm ref="assignAppFormRef" @success="getTableData" />
 </template>
 <script lang="ts" setup>
 import { DICT_TYPE, getIntDictOptions } from '@/utils/dict'
@@ -96,6 +107,7 @@ import * as RoleApi from '@/api/system/role'
 import { CommonStatusEnum } from '@/utils/constants'
 import RoleAssignMenuForm from './RoleAssignMenuForm.vue'
 import RoleDataPermissionForm from './RoleDataPermissionForm.vue'
+import RoleAssignAppForm from './RoleAssignAppForm.vue'
 
 defineOptions({ name: 'SystemRole' })
 
@@ -186,7 +198,7 @@ const tablePage = ref({
   total: 0
 })
 const permission = getCurrPermi(['system:role'])
-
+const assignAppFormRef = ref()
 const crudRef = ref()
 
 useCrudHeight(crudRef)
@@ -197,6 +209,11 @@ const menuHandle = ({ row, type }) => {
   if (type == 'menu') openAssignMenuForm(row)
   else if (type == 'data') openDataPermissionForm(row)
   else if (type == 'del') rowDel(row)
+  else if (type == 'app') openAssignAppForm(row)
+}
+
+const openAssignAppForm = (row) => {
+  assignAppFormRef.value.open(row)
 }
 
 /** 查询列表 */