diff --git a/src/api/corpusManger/corpus.js b/src/api/corpusManger/corpus.js
new file mode 100644
index 0000000..a91dcda
--- /dev/null
+++ b/src/api/corpusManger/corpus.js
@@ -0,0 +1,31 @@
+import request from '@/utils/request'
+
+export function addCategory(data) {
+    return request({
+        url: '/tts/corpus/category',
+        method: 'post',
+        data: data
+    })
+}
+
+export function getCategoryTreeApi() {
+    return request({
+        url: '/tts/corpus/category/tree',
+        method: 'get'
+    })
+}
+    
+export function updateCategoryTreeApi(data) {
+    return request({
+        url: '/tts/corpus/category',
+        method: 'put',
+        data: data
+    })
+}
+
+export function deleteCategory(id) {
+    return request({
+        url: `/tts/corpus/category/${id}`,
+        method: 'delete',
+    })
+}
\ No newline at end of file
diff --git a/src/views/corpusManger/corpus/components/CategoryTree.vue b/src/views/corpusManger/corpus/components/CategoryTree.vue
index f5ebfdf..e7d88d0 100644
--- a/src/views/corpusManger/corpus/components/CategoryTree.vue
+++ b/src/views/corpusManger/corpus/components/CategoryTree.vue
@@ -1,83 +1,283 @@
 <template>
-  <el-card shadow="never" class="category-tree">
-    <div class="tree-header">
-      <span class="stat-label">语料库目录</span>
-      <el-button size="small" type="primary" plain>＋新建分类</el-button>
+    <div class="page-container">
+        <div class="category-tree">
+            <!-- 头部 -->
+            <div class="tree-header">
+                <span class="stat-label">语料库目录</span>
+                <el-button size="small" type="primary" plain @click="handleAddRoot">
+                    ＋新建分类
+                </el-button>
+            </div>
+
+            <!-- 树 -->
+            <el-tree ref="treeRef" :data="treeData" :props="defaultProps" default-expand-all highlight-current
+                node-key="id" @node-click="handleNodeClick">
+                <template #default="{ data }">
+                    <div class="tree-node">
+                        <span class="node-label">{{ data.categoryName }}</span>
+                        <!-- v-if="selectedNode && selectedNode.id === data.id" -->
+                        <span class="node-actions">
+                            <!-- 新增子分类（所有节点均可） -->
+                            <el-button size="small" link circle type="primary" @click.stop="handleAddChild(data)"
+                                title="新增子分类">
+                                <el-icon>
+                                    <Plus />
+                                </el-icon>
+                            </el-button>
+                            <!-- 修改（根节点不可修改） -->
+                            <el-button v-if="data.id !== 'root'" size="small" link circle type="warning"
+                                @click.stop="handleEdit(data)" title="修改分类">
+                                <el-icon>
+                                    <Edit />
+                                </el-icon>
+                            </el-button>
+                            <!-- 删除（根节点不可删除） -->
+                            <el-button v-if="data.id !== 'root'" size="small" link circle type="danger"
+                                @click.stop="handleDelete(data)" title="删除分类">
+                                <el-icon>
+                                    <Delete />
+                                </el-icon>
+                            </el-button>
+                        </span>
+                    </div>
+                </template>
+            </el-tree>
+
+
+        </div>
+        <!-- 弹窗：新增 / 修改分类 -->
+        <el-dialog v-model="dialogVisible" :title="dialogTitle" :append-to-body="true" width="400px"
+            @close="resetDialog">
+            <el-form ref="ruleFormRef" :model="ruleForm" label-width="auto">
+                <el-form-item label="分类名称" prop="categoryName"
+                    :rules="[{ required: true, message: '请输入分类名称', trigger: 'blur' }]">
+                    <el-input v-model="ruleForm.categoryName" />
+                </el-form-item>
+            </el-form>
+            <template #footer>
+                <el-button @click="dialogVisible = false">取消</el-button>
+                <el-button type="primary" @click="confirmDialog">确定</el-button>
+            </template>
+        </el-dialog>
     </div>
-    <el-tree
-      :data="treeData"
-      :props="defaultProps"
-      default-expand-all
-      highlight-current
-      @node-click="handleNodeClick"
-    />
-  </el-card>
 </template>
 
 <script setup>
-import { ref } from 'vue'
-
-const emit = defineEmits(['select-category'])
+import { ref, reactive, nextTick, onMounted } from 'vue'
+import { ElMessage, ElMessageBox } from 'element-plus'
+import { Plus, Edit, Delete } from '@element-plus/icons-vue'
+import { addCategory, getCategoryTreeApi, updateCategoryTreeApi, deleteCategory } from '@/api/corpusManger/corpus.js'
 
+// ---------- 数据 ----------
 const defaultProps = {
-  children: 'children',
-  label: 'label'
+    children: 'children',
+    label: 'label'
 }
 
-const treeData = ref([
-  {
-    label: '全部语料',
-    count: '1,245,678',
-    children: [
-      { label: '控制指令', count: '245,678', children: [
-        { label: '车窗控制', count: '82,345' },
-        { label: '空调控制', count: '51,234' },
-        { label: '座椅调节', count: '32,145' }
-      ]},
-      { label: '导航交互', count: '183,456' },
-      { label: '媒体娱乐', count: '98,765' },
-      { label: '电话消息', count: '124,567' },
-      { label: '场景对话', count: '156,789', children: [
-        { label: '日常对话', count: '78,654' },
-        { label: '出行场景', count: '78,135' }
-      ]},
-      { label: '系统设置', count: '21,345' }
-    ]
-  }
-])
+// 初始树数据（含count字段用于显示，可选）
+const treeData = ref([])
 
+const getCategoryTree = async () => {
+    const res = await getCategoryTreeApi()
+    if (res.code === 200) {
+        treeData.value = res.data
+    }
+}
+
+// 当前选中的节点
+const selectedNode = ref(null)
+
+// 弹窗相关
+const dialogVisible = ref(false)
+const dialogTitle = ref('')
+const dialogMode = ref('add') // 'add' | 'edit'
+const dialogParent = ref(null) // 新增时的父节点
+const dialogTarget = ref(null) // 编辑时的目标节点
+
+const ruleFormRef = ref(null)
+const ruleForm = ref({
+    categoryName: ''
+})
+
+// ---------- 方法 ----------
+// 选中节点
 const handleNodeClick = (data) => {
-  emit('select-category', data)
+    selectedNode.value = data
 }
+
+// 新增一级分类（根节点下）
+const handleAddRoot = () => {
+    openDialog('add', null, null)
+}
+
+// 新增子分类
+const handleAddChild = (parent) => {
+    openDialog('add', parent, null)
+}
+
+// 修改分类
+const handleEdit = (node) => {
+    openDialog('edit', null, node)
+}
+
+// 删除分类
+const handleDelete = (node) => {
+    ElMessageBox.confirm(`确定要删除分类“${node.categoryName}”及其所有子分类吗？`, '提示', {
+        confirmButtonText: '确定',
+        cancelButtonText: '取消',
+        type: 'warning'
+    }).then(async () => {
+        const res = await deleteCategory(node.id)
+        if (res.code === 200) {
+            selectedNode.value = null
+            getCategoryTree()
+            ElMessage.success(res.msg)
+        }
+    }).catch(() => { })
+}
+
+// 打开弹窗
+const openDialog = (mode, parent, target) => {
+    dialogMode.value = mode
+    dialogParent.value = parent
+    dialogTarget.value = target
+    if (mode === 'add') {
+        dialogTitle.value = parent ? `在“${parent.categoryName}”下新增子分类` : '新增一级分类';
+        ruleForm.value.categoryName = ''
+    } else {
+        dialogTitle.value = `修改分类“${target.categoryName}”`
+        ruleForm.value.categoryName = target.categoryName
+    }
+    dialogVisible.value = true
+}
+
+// 弹窗确认
+const confirmDialog = async () => {
+    const result = await ruleFormRef.value.validate()
+    if (result) {
+        if (dialogMode.value === 'add') {
+            const parent = dialogParent.value
+            if (parent) {
+                if (!parent.children) {
+                    parent.children = []
+                }
+                const exists = parent.children.some(child => child.categoryName === name)
+                if (exists) {
+                    ElMessage.warning('该分类已存在，请勿重复添加')
+                    return
+                }
+            }
+            // 检查重名（可选）
+
+            const res = await addCategory({
+                parentId: parent?.id || null,
+                categoryName: ruleForm.value.categoryName
+            })
+            if (res.code === 200) {
+                ElMessage.success(res.msg)
+                getCategoryTree()
+            }
+        } else {
+            // 编辑
+            const res = await updateCategoryTreeApi({
+                id: dialogTarget.value.id,
+                categoryName: ruleForm.value.categoryName
+            })
+            if (res.code === 200) {
+                ElMessage.success(res.msg)
+                getCategoryTree()
+            }
+        }
+        dialogVisible.value = false
+    }
+}
+
+// 重置弹窗
+const resetDialog = () => {
+    ruleForm.value.categoryName = ''
+}
+
+// 查找父节点（辅助函数）
+const findParent = (root, childId) => {
+    if (!root.children) return null
+    for (const child of root.children) {
+        if (child.id === childId) {
+            return root
+        }
+        if (child.children) {
+            const found = findParent(child, childId)
+            if (found) return found
+        }
+    }
+    return null
+}
+
+// 暴露树引用（可选）
+const treeRef = ref(null)
+
+onMounted(() => {
+    getCategoryTree()
+})
 </script>
 
 <style lang="scss" scoped>
+.page-container {
+    height: 100%;
+}
 .category-tree {
-  height: 100%;
-}
-.tree-header {
-  display: flex;
-  justify-content: space-between;
-  align-items: center;
-  margin-bottom: 12px;
-}
-.stat-label {
-  font-size: 13px;
-  color: #64748b;
-  font-weight: 500;
-}
-:deep(.el-tree-node__content) {
-  height: 32px;
-  .el-tree-node__label {
-    font-size: 14px;
-    display: flex;
-    align-items: center;
-    &::after {
-      content: attr(data-count);
-      margin-left: 8px;
-      font-size: 12px;
-      color: #94a3b8;
+    height: 100%;
+    padding: 20px;
+    border-radius: 12px;
+    background: #fff;
+
+    .tree-header {
+        display: flex;
+        justify-content: space-between;
+        align-items: center;
+        margin-bottom: 12px;
+
+        .stat-label {
+            font-size: 16px;
+            color: #000;
+            font-weight: bold;
+        }
     }
-  }
+
+    .tree-node {
+        display: flex;
+        align-items: center;
+        width: 100%;
+
+        .node-label {
+            font-size: 14px;
+            flex: 0 0 auto;
+        }
+
+        .node-count {
+            margin-left: 8px;
+            font-size: 12px;
+            color: #94a3b8;
+            flex: 0 0 auto;
+        }
+
+        .node-actions {
+            margin-left: auto;
+            display: none;
+            align-items: center;
+            // gap: 2px;
+
+            .el-button {
+                margin-left: 0;
+            }
+        }
+
+        &:hover {
+            .node-actions {
+                display: flex;
+            }
+        }
+    }
+
+
 }
 </style>
\ No newline at end of file
diff --git a/src/views/corpusManger/corpus/components/CorpusList.vue b/src/views/corpusManger/corpus/components/CorpusList.vue
index c3a2426..3068a83 100644
--- a/src/views/corpusManger/corpus/components/CorpusList.vue
+++ b/src/views/corpusManger/corpus/components/CorpusList.vue
@@ -3,17 +3,7 @@
     <!-- 工具栏 -->
     <div class="list-toolbar">
       <div class="toolbar-left">
-        <el-input
-          v-model="searchText"
-          placeholder="搜索文本内容、语料编号或说话人"
-          size="default"
-          style="width: 300px;"
-          clearable
-          prefix-icon="Search"
-        />
         <el-button type="primary" size="default">＋新建语料</el-button>
-        <el-button size="default" plain>批量导入</el-button>
-        <el-button size="default" plain>导出数据</el-button>
       </div>
       <div class="toolbar-right">
         <el-tag
diff --git a/src/views/corpusManger/corpus/index.vue b/src/views/corpusManger/corpus/index.vue
index 6323d38..071ca2b 100644
--- a/src/views/corpusManger/corpus/index.vue
+++ b/src/views/corpusManger/corpus/index.vue
@@ -1,17 +1,17 @@
 <template>
     <div class="page-container">
-    <!-- 统计卡片 -->
-    <StatCards />
+        <!-- 统计卡片 -->
+        <StatCards />
 
-    <!-- 主体：目录树 + 列表 + 详情 -->
-    <div class="main-layout">
-      <div class="left-panel">
-        <CategoryTree @select-category="onSelectCategory" />
-      </div>
-      <div class="right-panel">
-        <CorpusList @view-detail="onViewDetail" />
-      </div>
-    </div>
+        <!-- 主体：目录树 + 列表 + 详情 -->
+        <div class="main-layout">
+            <div class="left-panel">
+                <CategoryTree @select-category="onSelectCategory" />
+            </div>
+            <div class="right-panel">
+                <CorpusList @view-detail="onViewDetail" />
+            </div>
+        </div>
     </div>
 </template>
 <script setup>
@@ -22,38 +22,45 @@ import CorpusList from './components/CorpusList.vue'
 </script>
 <style lang="scss" scoped>
 .page-container {
-  display: flex;
-  flex-direction: column;
-  gap: 20px;
-  width: 100%;
+    display: flex;
+    flex-direction: column;
+    gap: 20px;
+    width: 100%;
     height: 100%;
     overflow: auto;
 }
 
 .main-layout {
-  display: grid;
-  grid-template-columns: 260px 1fr;
-  gap: 20px;
-  align-items: start;
+    display: grid;
+    grid-template-columns: 260px 1fr;
+    gap: 20px;
+    align-items: start;
+    flex: 1;
 }
+
 .left-panel {
-  position: sticky;
-  top: 20px;
+    position: sticky;
+    top: 20px;
+    height: 100%;
 }
+
 .right-panel {
-  display: flex;
-  flex-direction: column;
-  gap: 20px;
+    display: flex;
+    flex-direction: column;
+    gap: 20px;
 }
+
 .detail-wrapper {
-  min-height: 200px;
+    min-height: 200px;
 }
+
 @media (max-width: 1200px) {
-  .main-layout {
-    grid-template-columns: 1fr;
-  }
-  .left-panel {
-    position: static;
-  }
+    .main-layout {
+        grid-template-columns: 1fr;
+    }
+
+    .left-panel {
+        position: static;
+    }
 }
 </style>
\ No newline at end of file