diff --git a/python_core/cli/commands/template.py b/python_core/cli/commands/template.py
index 1dd6b82..f23a845 100644
--- a/python_core/cli/commands/template.py
+++ b/python_core/cli/commands/template.py
@@ -5,6 +5,7 @@
 from pathlib import Path
 from typing import Optional, List
 from dataclasses import asdict
+from datetime import datetime
 import typer
 from python_core.utils.jsonrpc_enhanced import create_response_handler, create_progress_reporter
 from python_core.services.template_manager_cloud import TemplateManagerCloud, TemplateInfo
@@ -454,6 +455,82 @@ def get_popular_tags(
         response.error(-32603, f"获取热门标签失败: {str(e)}")
 
 
+@template_app.command("update-segment")
+def update_segment_name(
+    template_id: str = typer.Argument(..., help="模板ID"),
+    segment_id: str = typer.Argument(..., help="片段ID"),
+    new_name: str = typer.Argument(..., help="新名称"),
+    user_id: Optional[str] = typer.Option(None, "--user-id", help="用户ID"),
+    verbose: bool = typer.Option(False, "--verbose", "-v", help="详细输出"),
+    json_output: bool = typer.Option(True, "--json", help="JSON格式输出")
+):
+    """更新模板片段名称"""
+    response = create_response_handler()
+    try:
+        # 使用 PostgreSQL 模板表
+        from python_core.database.template_postgres import template_table
+
+        # 获取模板
+        template = template_table.get_template_by_id(template_id)
+        if not template:
+            response.error(-32604, f"模板不存在: {template_id}")
+            return
+
+        # 检查权限
+        if user_id and template.user_id != user_id:
+            response.error(-32605, f"无权限修改模板: {template_id}")
+            return
+
+        # 获取 draft_content
+        draft_content = template_table.get_draft_content(template_id)
+        if draft_content is None:
+            response.error(-32606, f"模板详细信息不存在: {template_id}")
+            return
+
+        # 确保 draft_content 是字典类型
+        if not isinstance(draft_content, dict):
+            draft_content = {}
+
+        # 查找并更新片段名称
+        updated = False
+        tracks_data = draft_content.get('tracks', [])
+
+        for track in tracks_data:
+            if isinstance(track, dict):
+                segments = track.get('segments', [])
+                for segment in segments:
+                    if isinstance(segment, dict) and segment.get('id') == segment_id:
+                        segment['name'] = new_name
+                        updated = True
+                        break
+                if updated:
+                    break
+
+        if not updated:
+            response.error(-32607, f"片段不存在: {segment_id}")
+            return
+
+        # 更新数据库中的 draft_content
+        success = template_table.update_template(template_id, {
+            'draft_content': draft_content,
+            'updated_at': datetime.now().isoformat()
+        })
+
+        if success:
+            response.success({
+                'template_id': template_id,
+                'segment_id': segment_id,
+                'new_name': new_name,
+                'updated': True
+            })
+        else:
+            response.error(-32608, "更新失败")
+
+    except Exception as e:
+        logger.error(f"更新片段名称失败: {e}")
+        response.error(-32603, f"更新片段名称失败: {str(e)}")
+
+
 @template_app.command("by-tag")
 def get_templates_by_tag(
     tag: str = typer.Argument(..., help="标签名称"),
@@ -468,7 +545,7 @@ def get_templates_by_tag(
     try:
         # 创建模板管理器
         manager = TemplateManagerCloud(user_id=user_id or "default")
-        
+
         # 根据标签获取模板
         templates = manager.get_templates_by_tag(tag, include_cloud=include_cloud, limit=limit)
         
diff --git a/src-tauri/src/commands/template.rs b/src-tauri/src/commands/template.rs
index 329cbb6..04b7573 100644
--- a/src-tauri/src/commands/template.rs
+++ b/src-tauri/src/commands/template.rs
@@ -59,6 +59,16 @@ pub struct TemplateSearchRequest {
     pub json_output: Option<bool>,
 }
 
+#[derive(Debug, Deserialize)]
+pub struct TemplateUpdateSegmentRequest {
+    pub template_id: String,
+    pub segment_id: String,
+    pub new_name: String,
+    pub user_id: Option<String>,
+    pub verbose: Option<bool>,
+    pub json_output: Option<bool>,
+}
+
 // Re-export PythonProgress as ImportProgress for backward compatibility
 // Note: This is used by frontend TypeScript definitions
 #[allow(unused_imports)]
@@ -491,3 +501,33 @@ pub async fn get_templates_by_tag_cli(
 
     execute_python_cli_command(app, args).await
 }
+
+/// 更新模板片段名称（新版本，使用CLI模式）
+#[tauri::command]
+pub async fn update_template_segment_cli(
+    app: AppHandle,
+    request: TemplateUpdateSegmentRequest,
+) -> Result<TemplateResponse, String> {
+    let mut args = vec![
+        "template".to_string(),
+        "update-segment".to_string(),
+        request.template_id,
+        request.segment_id,
+        request.new_name,
+    ];
+
+    if let Some(user_id) = request.user_id {
+        args.push("--user-id".to_string());
+        args.push(user_id);
+    }
+
+    if request.verbose.unwrap_or(false) {
+        args.push("--verbose".to_string());
+    }
+
+    if request.json_output.unwrap_or(true) {
+        args.push("--json".to_string());
+    }
+
+    execute_python_cli_command(app, args).await
+}
diff --git a/src-tauri/src/lib.rs b/src-tauri/src/lib.rs
index c510188..48a5a94 100644
--- a/src-tauri/src/lib.rs
+++ b/src-tauri/src/lib.rs
@@ -142,7 +142,8 @@ pub fn run() {
       commands::template::search_templates_cli,
       commands::template::get_template_stats_cli,
       commands::template::get_popular_tags_cli,
-      commands::template::get_templates_by_tag_cli
+      commands::template::get_templates_by_tag_cli,
+      commands::template::update_template_segment_cli
     ])
     .run(tauri::generate_context!())
     .expect("error while running tauri application");
diff --git a/src/pages/TemplateDetailPageV2.tsx b/src/pages/TemplateDetailPageV2.tsx
index f4cde73..e9c74ec 100644
--- a/src/pages/TemplateDetailPageV2.tsx
+++ b/src/pages/TemplateDetailPageV2.tsx
@@ -90,24 +90,41 @@ const TemplateDetailPageV2: React.FC = () => {
     }
   }
 
-  const handleSegmentNameChange = (segmentId: string, newName: string) => {
-    if (!templateDetail) return
+  const handleSegmentNameChange = async (segmentId: string, newName: string) => {
+    if (!templateDetail || !template) return
 
-    // 更新本地状态中的片段名称
-    const updatedDetail = {
-      ...templateDetail,
-      tracks: templateDetail.tracks.map(track => ({
-        ...track,
-        segments: track.segments.map(segment =>
-          segment.id === segmentId ? { ...segment, name: newName } : segment
-        )
-      }))
+    try {
+      // 先更新本地状态中的片段名称
+      const updatedDetail = {
+        ...templateDetail,
+        tracks: templateDetail.tracks.map(track => ({
+          ...track,
+          segments: track.segments.map(segment =>
+            segment.id === segmentId ? { ...segment, name: newName } : segment
+          )
+        }))
+      }
+
+      setTemplateDetail(updatedDetail)
+
+      // 保存到后端
+      const success = await TemplateServiceV2.updateSegmentName(
+        template.id,
+        segmentId,
+        newName
+      )
+
+      if (success) {
+        console.log(`Segment ${segmentId} renamed to: ${newName} - saved to database`)
+      } else {
+        console.error('Failed to save segment name change to database')
+        // 可以选择回滚本地状态或显示错误提示
+      }
+    } catch (error) {
+      console.error('Error updating segment name:', error)
+      // 可以选择回滚本地状态或显示错误提示
+      alert('保存片段名称失败: ' + (error instanceof Error ? error.message : '未知错误'))
     }
-
-    setTemplateDetail(updatedDetail)
-
-    // TODO: 保存到后端
-    console.log(`Segment ${segmentId} renamed to: ${newName}`)
   }
 
   if (loading) {
diff --git a/src/services/TemplateServiceV2.ts b/src/services/TemplateServiceV2.ts
index 593e9e6..fdb6a5f 100644
--- a/src/services/TemplateServiceV2.ts
+++ b/src/services/TemplateServiceV2.ts
@@ -68,6 +68,15 @@ export interface TemplateSearchRequest {
   json_output?: boolean
 }
 
+export interface TemplateUpdateSegmentRequest {
+  template_id: string
+  segment_id: string
+  new_name: string
+  user_id?: string
+  verbose?: boolean
+  json_output?: boolean
+}
+
 // 批量导入结果
 export interface BatchImportResult {
   imported_count: number
@@ -357,9 +366,9 @@ export class TemplateServiceV2 {
    * 根据标签获取模板 (新功能)
    */
   static async getTemplatesByTag(
-    tag: string, 
-    includeCloud: boolean = true, 
-    limit: number = 50, 
+    tag: string,
+    includeCloud: boolean = true,
+    limit: number = 50,
     userId?: string
   ): Promise<TemplateInfo[]> {
     try {
@@ -370,7 +379,7 @@ export class TemplateServiceV2 {
         limit: limit,
         verbose: false
       })
-      
+
       if (!response.success) {
         throw new Error(response.error || response.message || 'Failed to get templates by tag')
       }
@@ -382,6 +391,38 @@ export class TemplateServiceV2 {
     }
   }
 
+  /**
+   * 更新模板片段名称 (新功能)
+   */
+  static async updateSegmentName(
+    templateId: string,
+    segmentId: string,
+    newName: string,
+    userId?: string
+  ): Promise<boolean> {
+    try {
+      const request: TemplateUpdateSegmentRequest = {
+        template_id: templateId,
+        segment_id: segmentId,
+        new_name: newName,
+        user_id: userId || this.getCurrentUserId(),
+        verbose: false,
+        json_output: true
+      }
+
+      const response = await invoke<TemplateResponse>('update_template_segment_cli', { request })
+
+      if (!response.success) {
+        throw new Error(response.error || response.message || 'Failed to update segment name')
+      }
+
+      return response.data?.updated || false
+    } catch (error) {
+      console.error('Update segment name failed:', error)
+      throw error
+    }
+  }
+
   /**
    * 验证模板文件夹结构
    */