diff --git a/apps/desktop/src-tauri/src/presentation/commands/tvai_commands.rs b/apps/desktop/src-tauri/src/presentation/commands/tvai_commands.rs
index 6865fe2..49eaaea 100644
--- a/apps/desktop/src-tauri/src/presentation/commands/tvai_commands.rs
+++ b/apps/desktop/src-tauri/src/presentation/commands/tvai_commands.rs
@@ -198,6 +198,7 @@ pub async fn quick_upscale_video_command(
     input_path: String,
     output_path: String,
     scale_factor: f32,
+    model: Option<String>,
 ) -> Result<String, String> {
     let task_id = Uuid::new_v4().to_string();
     
@@ -242,12 +243,38 @@ pub async fn quick_upscale_video_command(
         app_handle_clone.emit("tvai_task_updated", &task_id_clone).unwrap();
         
         let start_time = std::time::Instant::now();
-        
+
+        // 解析模型参数
+        let upscale_model = if let Some(model_str) = model {
+            match model_str.as_str() {
+                "aaa-9" => Some(UpscaleModel::Aaa9),
+                "ahq-12" => Some(UpscaleModel::Ahq12),
+                "alq-13" => Some(UpscaleModel::Alq13),
+                "alqs-2" => Some(UpscaleModel::Alqs2),
+                "amq-13" => Some(UpscaleModel::Amq13),
+                "amqs-2" => Some(UpscaleModel::Amqs2),
+                "ghq-5" => Some(UpscaleModel::Ghq5),
+                "iris-2" => Some(UpscaleModel::Iris2),
+                "iris-3" => Some(UpscaleModel::Iris3),
+                "nyx-3" => Some(UpscaleModel::Nyx3),
+                "prob-4" => Some(UpscaleModel::Prob4),
+                "thf-4" => Some(UpscaleModel::Thf4),
+                "thd-3" => Some(UpscaleModel::Thd3),
+                "thm-2" => Some(UpscaleModel::Thm2),
+                "rhea-1" => Some(UpscaleModel::Rhea1),
+                "rxl-1" => Some(UpscaleModel::Rxl1),
+                _ => None, // 使用默认模型
+            }
+        } else {
+            None // 使用默认模型
+        };
+
         // 执行处理
-        let result = quick_upscale_video(
+        let result = tvai::quick_upscale_video_with_model(
             Path::new(&input_path),
             Path::new(&output_path),
             scale_factor,
+            upscale_model,
         ).await;
         
         let processing_time = start_time.elapsed();
diff --git a/apps/desktop/src/components/TvaiExample.tsx b/apps/desktop/src/components/TvaiExample.tsx
index b2e1bf9..7a94735 100644
--- a/apps/desktop/src/components/TvaiExample.tsx
+++ b/apps/desktop/src/components/TvaiExample.tsx
@@ -38,6 +38,7 @@ export function TvaiExample() {
 
   // 高级参数
   const [selectedModel, setSelectedModel] = useState<UpscaleModel>('iris-3');
+  const [selectedInterpolationModel, setSelectedInterpolationModel] = useState<'apo-8' | 'apf-1' | 'chr-2' | 'chf-3'>('apo-8');
   const [compression, setCompression] = useState(0.0);
   const [blend, setBlend] = useState(0.0);
 
@@ -112,7 +113,7 @@ export function TvaiExample() {
 
     try {
       if (processingType === 'video') {
-        await tvaiService.quickUpscaleVideo(inputPath, outputPath, scaleFactor);
+        await tvaiService.quickUpscaleVideo(inputPath, outputPath, scaleFactor, selectedModel);
       } else if (processingType === 'interpolation') {
         // 插帧处理 - 需要先获取视频信息来确定帧率
         try {
@@ -396,7 +397,7 @@ export function TvaiExample() {
                         key={preset.key}
                         onClick={() => {
                           setSelectedPreset(preset.key);
-                          setSelectedModel(preset.model as UpscaleModel);
+                          setSelectedInterpolationModel(preset.model as 'apo-8' | 'apf-1' | 'chr-2' | 'chf-3');
                         }}
                         className={`p-3 rounded-lg border text-sm transition-all ${
                           selectedPreset === preset.key
@@ -463,8 +464,14 @@ export function TvaiExample() {
                     {processingType === 'interpolation' ? '插帧模型' : 'AI 放大模型'}
                   </label>
                   <select
-                    value={selectedModel}
-                    onChange={(e) => setSelectedModel(e.target.value as UpscaleModel)}
+                    value={processingType === 'interpolation' ? selectedInterpolationModel : selectedModel}
+                    onChange={(e) => {
+                      if (processingType === 'interpolation') {
+                        setSelectedInterpolationModel(e.target.value as 'apo-8' | 'apf-1' | 'chr-2' | 'chf-3');
+                      } else {
+                        setSelectedModel(e.target.value as UpscaleModel);
+                      }
+                    }}
                     className="w-full p-3 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-transparent"
                   >
                     {processingType === 'interpolation' ? (
diff --git a/apps/desktop/src/hooks/useTvai.ts b/apps/desktop/src/hooks/useTvai.ts
index 17ca145..214fc1e 100644
--- a/apps/desktop/src/hooks/useTvai.ts
+++ b/apps/desktop/src/hooks/useTvai.ts
@@ -25,7 +25,7 @@ export interface UseTvaiReturn {
  * TVAI 任务管理 Hook
  */
 export function useTvai(options: UseTvaiOptions = {}): UseTvaiReturn {
-  const { autoRefresh = true, refreshInterval = 5000 } = options;
+  const { autoRefresh = true, refreshInterval = 10000 } = options; // 增加轮询间隔，主要依赖事件推送
   
   const [tasks, setTasks] = useState<TvaiTask[]>([]);
   const [isLoading, setIsLoading] = useState(false);
@@ -95,16 +95,38 @@ export function useTvai(options: UseTvaiOptions = {}): UseTvaiReturn {
     return tasks.filter(task => task.status === 'Failed').length;
   }, [tasks]);
 
-  // 处理任务事件
+  // 处理任务事件 - 实时推送机制
   useEffect(() => {
-    const handleTaskCreated = (taskId: string) => {
-      console.log('Task created:', taskId);
-      refreshTasks();
+    const handleTaskCreated = async (taskId: string) => {
+      console.log('Task created (real-time):', taskId);
+      // 立即刷新任务列表以获取新任务
+      await refreshTasks();
     };
 
-    const handleTaskUpdated = (taskId: string) => {
-      console.log('Task updated:', taskId);
-      refreshTasks();
+    const handleTaskUpdated = async (taskId: string) => {
+      console.log('Task updated (real-time):', taskId);
+      // 获取单个任务的最新状态并更新
+      try {
+        const updatedTask = await tvaiService.getTvaiTaskStatus(taskId);
+        if (updatedTask) {
+          setTasks(prevTasks => {
+            const taskIndex = prevTasks.findIndex(task => task.id === taskId);
+            if (taskIndex >= 0) {
+              // 更新现有任务
+              const newTasks = [...prevTasks];
+              newTasks[taskIndex] = updatedTask;
+              return newTasks;
+            } else {
+              // 添加新任务（如果不存在）
+              return [...prevTasks, updatedTask];
+            }
+          });
+        }
+      } catch (error) {
+        console.error('Failed to update task:', error);
+        // 如果单个任务更新失败，回退到全量刷新
+        await refreshTasks();
+      }
     };
 
     // 添加事件监听器
@@ -118,13 +140,23 @@ export function useTvai(options: UseTvaiOptions = {}): UseTvaiReturn {
     };
   }, [refreshTasks]);
 
-  // 自动刷新
+  // 智能轮询 - 只在有运行中的任务时才轮询
   useEffect(() => {
     if (!autoRefresh) return;
 
-    const interval = setInterval(refreshTasks, refreshInterval);
+    const hasRunningTasks = tasks.some(task =>
+      task.status === 'Pending' || task.status === 'Processing'
+    );
+
+    if (!hasRunningTasks) return; // 没有运行中的任务时不进行轮询
+
+    const interval = setInterval(() => {
+      console.log('Polling for task updates (fallback mechanism)');
+      refreshTasks();
+    }, refreshInterval);
+
     return () => clearInterval(interval);
-  }, [autoRefresh, refreshInterval, refreshTasks]);
+  }, [autoRefresh, refreshInterval, refreshTasks, tasks]);
 
   // 初始加载
   useEffect(() => {
diff --git a/apps/desktop/src/services/tvaiService.ts b/apps/desktop/src/services/tvaiService.ts
index 5537cbf..2a64187 100644
--- a/apps/desktop/src/services/tvaiService.ts
+++ b/apps/desktop/src/services/tvaiService.ts
@@ -120,12 +120,14 @@ export class TvaiServiceImpl implements TvaiService {
   async quickUpscaleVideo(
     inputPath: string,
     outputPath: string,
-    scaleFactor: number
+    scaleFactor: number,
+    model?: UpscaleModel
   ): Promise<string> {
     return await invoke('quick_upscale_video_command', {
       inputPath,
       outputPath,
       scaleFactor,
+      model,
     });
   }
 
diff --git a/apps/desktop/src/types/tvai.ts b/apps/desktop/src/types/tvai.ts
index ec3fb2f..121f1be 100644
--- a/apps/desktop/src/types/tvai.ts
+++ b/apps/desktop/src/types/tvai.ts
@@ -170,9 +170,10 @@ export interface TvaiService {
   
   // 快速处理
   quickUpscaleVideo(
-    inputPath: string, 
-    outputPath: string, 
-    scaleFactor: number
+    inputPath: string,
+    outputPath: string,
+    scaleFactor: number,
+    model?: UpscaleModel
   ): Promise<string>;
   
   quickUpscaleImage(
diff --git a/cargos/tvai/src/lib.rs b/cargos/tvai/src/lib.rs
index eaf200f..e73b0fa 100644
--- a/cargos/tvai/src/lib.rs
+++ b/cargos/tvai/src/lib.rs
@@ -58,6 +58,7 @@ pub type Result<T> = std::result::Result<T, TvaiError>;
 
 // Quick processing functions
 pub use video::quick_upscale_video;
+pub use video::quick_upscale_video_with_model;
 pub use video::quick_interpolate_video;
 pub use image::quick_upscale_image;
 pub use video::auto_enhance_video;
diff --git a/cargos/tvai/src/video/mod.rs b/cargos/tvai/src/video/mod.rs
index 3e576dc..14541d3 100644
--- a/cargos/tvai/src/video/mod.rs
+++ b/cargos/tvai/src/video/mod.rs
@@ -373,6 +373,16 @@ pub async fn quick_upscale_video(
     input: &Path,
     output: &Path,
     scale: f32,
+) -> Result<ProcessResult, TvaiError> {
+    quick_upscale_video_with_model(input, output, scale, None).await
+}
+
+/// Quick video upscaling function with model selection
+pub async fn quick_upscale_video_with_model(
+    input: &Path,
+    output: &Path,
+    scale: f32,
+    model: Option<UpscaleModel>,
 ) -> Result<ProcessResult, TvaiError> {
     // Detect Topaz installation
     let topaz_path = crate::utils::detect_topaz_installation()
@@ -387,10 +397,10 @@ pub async fn quick_upscale_video(
     // Create processor
     let mut processor = TvaiProcessor::new(config)?;
 
-    // Create default upscaling parameters
+    // Create upscaling parameters with specified or default model
     let params = VideoUpscaleParams {
         scale_factor: scale,
-        model: crate::config::UpscaleModel::Iris3, // Best general purpose model
+        model: model.unwrap_or(crate::config::UpscaleModel::Iris3), // Use specified model or default to Iris3
         compression: 0.0,
         blend: 0.0,
         quality_preset: crate::config::QualityPreset::HighQuality,