diff --git a/AGENTS.md b/AGENTS.md
index 4fdd39e..1ab32a1 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -9,7 +9,7 @@
 **美家卡智影**是一款面向桌面端的 AI 视频创作应用，采用"Python 后端 API + Tauri 桌面前端"的混合架构。
 
 - **产品标识**: `cn.meijiaka.ai-video` / `cn.meijiaka.ai-zy`
-- **版本**: `1.8.1`
+- **版本**: `1.8.2`
 - **核心功能**: AI 脚本生成、AI 配音合成（TTS）、声音复刻、视频生成（Vidu）、视频字幕生成、压制成片（FFmpeg）、项目本地持久化
 
 ### 技术栈总览
diff --git a/VERSION b/VERSION
index a8fdfda..53adb84 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.8.1
+1.8.2
diff --git a/python-api/.env.example b/python-api/.env.example
index 19274d5..64ae174 100644
--- a/python-api/.env.example
+++ b/python-api/.env.example
@@ -4,7 +4,7 @@
 
 # === 基础配置 ===
 APP_NAME=美家卡智影 API
-APP_VERSION=1.8.1
+APP_VERSION=1.8.2
 # ⚠️ 生产环境必须设为 false
 DEBUG=true
 ENV=development
diff --git a/python-api/app/config.py b/python-api/app/config.py
index 41b79c7..63583e7 100644
--- a/python-api/app/config.py
+++ b/python-api/app/config.py
@@ -24,7 +24,7 @@ class Settings(BaseSettings):
 
     # 应用基础配置
     APP_NAME: str = Field(default="美家卡智影 API", description="应用名称")
-    APP_VERSION: str = Field(default="1.8.1", description="应用版本")
+    APP_VERSION: str = Field(default="1.8.2", description="应用版本")
     DEBUG: bool = Field(default=False, description="调试模式")
     ENV: Literal["development", "staging", "production"] = Field(
         default="development", description="运行环境"
diff --git a/python-api/pyproject.toml b/python-api/pyproject.toml
index 29281cd..c8f126e 100644
--- a/python-api/pyproject.toml
+++ b/python-api/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "meijiaka-ai-api"
-version = "1.8.1"
+version = "1.8.2"
 description = "美家卡智影 - AI 视频创作后端 API"
 authors = [{ name = "Meijiaka Team" }]
 readme = "README.md"
diff --git a/python-api/uv.lock b/python-api/uv.lock
index 0bf716b..b8d8882 100644
--- a/python-api/uv.lock
+++ b/python-api/uv.lock
@@ -944,7 +944,7 @@ wheels = [
 
 [[package]]
 name = "meijiaka-ai-api"
-version = "1.8.1"
+version = "1.8.2"
 source = { virtual = "." }
 dependencies = [
     { name = "aiohttp" },
diff --git a/tauri-app/AGENTS.md b/tauri-app/AGENTS.md
index e4afd3e..f0735da 100644
--- a/tauri-app/AGENTS.md
+++ b/tauri-app/AGENTS.md
@@ -9,7 +9,7 @@
 **美家卡智影**（产品名）是一款基于 Tauri v2 + React 19 + TypeScript 的桌面端 AI 视频创作应用。
 
 - **产品标识**: `cn.meijiaka.ai-video`
-- **版本**: `1.8.1`
+- **版本**: `1.8.2`
 - **窗口尺寸**: 1200×800，不可缩放（`resizable: false`）
 - **核心功能**: AI 脚本生成、AI 配音合成、视频生成、压制成片（FFmpeg）、项目本地持久化
 
diff --git a/tauri-app/package-lock.json b/tauri-app/package-lock.json
index 53529f3..88a541e 100644
--- a/tauri-app/package-lock.json
+++ b/tauri-app/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "tauri-app",
-  "version": "1.8.1",
+  "version": "1.8.2",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "tauri-app",
-      "version": "1.8.1",
+      "version": "1.8.2",
       "dependencies": {
         "@microsoft/fetch-event-source": "^2.0.1",
         "@tanstack/react-virtual": "^3.13.23",
diff --git a/tauri-app/package.json b/tauri-app/package.json
index ac97ccc..2ed2ed1 100644
--- a/tauri-app/package.json
+++ b/tauri-app/package.json
@@ -1,7 +1,7 @@
 {
   "name": "tauri-app",
   "private": true,
-  "version": "1.8.1",
+  "version": "1.8.2",
   "type": "module",
   "scripts": {
     "dev": "vite",
diff --git a/tauri-app/src-tauri/Cargo.lock b/tauri-app/src-tauri/Cargo.lock
index 51dc1cf..9b6b4d0 100644
--- a/tauri-app/src-tauri/Cargo.lock
+++ b/tauri-app/src-tauri/Cargo.lock
@@ -4219,7 +4219,7 @@ dependencies = [
 
 [[package]]
 name = "tauri-app"
-version = "1.8.1"
+version = "1.8.2"
 dependencies = [
  "base64 0.22.1",
  "chrono",
diff --git a/tauri-app/src-tauri/Cargo.toml b/tauri-app/src-tauri/Cargo.toml
index bc26989..2dc93f9 100644
--- a/tauri-app/src-tauri/Cargo.toml
+++ b/tauri-app/src-tauri/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "tauri-app"
-version = "1.8.1"
+version = "1.8.2"
 description = "美家卡智影 - AI 视频创作桌面应用"
 authors = ["美家卡科技"]
 edition = "2021"
diff --git a/tauri-app/src-tauri/src/commands/video_compose.rs b/tauri-app/src-tauri/src/commands/video_compose.rs
index 14f245b..6dad8e3 100644
--- a/tauri-app/src-tauri/src/commands/video_compose.rs
+++ b/tauri-app/src-tauri/src/commands/video_compose.rs
@@ -55,20 +55,24 @@ fn validate_nine_sixteen_aspect(width: u32, height: u32) -> Result<(), String> {
     Ok(())
 }
 
-/// 根据素材最小高度决定目标输出分辨率
+/// 根据素材最大高度决定目标输出分辨率
+///
+/// 向上统一到最高素材的分辨率：只要存在 1080p 素材，成片就输出 1080p，
+/// 避免高分辨率素材被强制压缩到 720p 导致画面模糊。
+/// 720p 素材会被放大拼接，虽然略有损失，但优于整体降质。
 fn resolve_target_resolution(heights: &[u32]) -> Option<(u32, u32)> {
-    let min_height = heights.iter().min()?;
-    if *min_height <= 1280 {
-        Some((720, 1280))
-    } else {
+    let max_height = heights.iter().max()?;
+    if *max_height >= 1920 {
         Some((1080, 1920))
+    } else {
+        Some((720, 1280))
     }
 }
 
 /// 拼接视频片段
 ///
 /// 1. 探测所有片段分辨率并校验 9:16 比例
-/// 2. 按最小高度决定目标输出分辨率
+/// 2. 按最大高度决定目标输出分辨率（向上统一，避免高分辨率素材被压糊）
 /// 3. 统一标准化后拼接
 #[tauri::command]
 pub async fn concat_video_clips(
diff --git a/tauri-app/src-tauri/tauri.conf.json b/tauri-app/src-tauri/tauri.conf.json
index fb29455..50b7c36 100644
--- a/tauri-app/src-tauri/tauri.conf.json
+++ b/tauri-app/src-tauri/tauri.conf.json
@@ -1,7 +1,7 @@
 {
   "$schema": "https://schema.tauri.app/config/2",
   "productName": "美家卡智影",
-  "version": "1.8.1",
+  "version": "1.8.2",
   "identifier": "cn.meijiaka.ai-zy",
   "build": {
     "beforeDevCommand": "npm run dev",
diff --git a/tauri-app/src/pages/ContentManagement/VoiceMaterialLibrary.tsx b/tauri-app/src/pages/ContentManagement/VoiceMaterialLibrary.tsx
index eb0d516..0bfbb4e 100644
--- a/tauri-app/src/pages/ContentManagement/VoiceMaterialLibrary.tsx
+++ b/tauri-app/src/pages/ContentManagement/VoiceMaterialLibrary.tsx
@@ -143,7 +143,7 @@ export default function VoiceMaterialLibrary() {
   // 音频文件验证
   const validateAudioFile = (file: File): Promise<{ valid: boolean; error?: string }> => {
     return new Promise(resolve => {
-      const maxSize = 20 * 1024 * 1024; // 20MB
+      const maxSize = 50 * 1024 * 1024; // 50MB
       if (file.size > maxSize) {
         resolve({ valid: false, error: `文件大小 ${(file.size / 1024 / 1024).toFixed(1)}MB，要求不超过 20MB` });
         return;
@@ -260,6 +260,7 @@ export default function VoiceMaterialLibrary() {
       progress.update('正在生成专属音色...');
       progress.success('复刻成功', 200);
     } catch (err) {
+      console.error('[VoiceMaterialLibrary] handleUpload catch:', err, '类型:', typeof err, '是Error?', err instanceof Error);
       const msg = err instanceof Error ? err.message : '上传失败';
       if (msg.includes('402') || msg.includes('积分不足')) {
         setShowPointsModal(true);
@@ -419,7 +420,7 @@ export default function VoiceMaterialLibrary() {
                   <div style={{ fontSize: 'var(--font-sm)' }}>点击选择文件</div>
                   <div style={{ fontSize: 'var(--font-xs)', marginTop: 6, lineHeight: 1.6 }}>
                     <div>支持 MP3 / M4A / WAV / MP4</div>
-                    <div>人声干净无杂音，时长 10 秒 ~ 2 分钟，不超过 20MB</div>
+                    <div>人声干净无杂音，时长 10 秒 ~ 2 分钟，不超过 50MB</div>
                   </div>
                 </div>
               )}
diff --git a/tauri-app/src/store/voiceStore.ts b/tauri-app/src/store/voiceStore.ts
index de67169..2dcc19a 100644
--- a/tauri-app/src/store/voiceStore.ts
+++ b/tauri-app/src/store/voiceStore.ts
@@ -8,7 +8,7 @@
 import { create } from 'zustand';
 import type { VoiceInfo, VoiceMaterial } from '../api/modules/voice';
 import * as voiceApi from '../api/modules/voice';
-import { writeFile, remove, BaseDirectory } from '@tauri-apps/plugin-fs';
+import { writeFile, remove, mkdir, BaseDirectory } from '@tauri-apps/plugin-fs';
 import { join, appLocalDataDir } from '@tauri-apps/api/path';
 
 interface VoiceState {
@@ -136,33 +136,45 @@ export const useVoiceStore = create<VoiceState & VoiceActions>()(
 
       try {
         const ext = file.name.substring(file.name.lastIndexOf('.')).toLowerCase();
+        console.log('[VoiceStore] addVoiceMaterial 开始, ext=', ext, 'fileName=', file.name, 'size=', file.size);
 
         if (ext === '.mp4') {
           // MP4 需要先本地提取音频
           tempVideoPath = await join('temp', `upload_${Date.now()}_${Math.random().toString(36).slice(2, 8)}.mp4`);
+          console.log('[VoiceStore] tempVideoPath=', tempVideoPath);
 
           // 1a. 将 File 写入本地临时文件（使用 BaseDirectory.AppLocalData）
+          console.log('[VoiceStore] 开始 writeFile...');
+          await mkdir('temp', { baseDir: BaseDirectory.AppLocalData, recursive: true });
           const arrayBuffer = await file.arrayBuffer();
           const uint8Array = new Uint8Array(arrayBuffer);
           await writeFile(tempVideoPath, uint8Array, { baseDir: BaseDirectory.AppLocalData });
+          console.log('[VoiceStore] writeFile 完成');
 
           // 1b. 调用 FFmpeg 提取音频（Rust 返回绝对路径）
-          tempMp3Path = await voiceApi.extractAudioFromVideo(
-            await join(await appLocalDataDir(), tempVideoPath)
-          );
+          const videoAbsPath = await join(await appLocalDataDir(), tempVideoPath);
+          console.log('[VoiceStore] 开始 extractAudioFromVideo, path=', videoAbsPath);
+          tempMp3Path = await voiceApi.extractAudioFromVideo(videoAbsPath);
+          console.log('[VoiceStore] extractAudioFromVideo 完成, mp3Path=', tempMp3Path);
 
           // 1c. 上传提取的 MP3
+          console.log('[VoiceStore] 开始 uploadLocalAudioFile...');
           sourceUrl = await voiceApi.uploadLocalAudioFile(tempMp3Path);
+          console.log('[VoiceStore] uploadLocalAudioFile 完成, url=', sourceUrl);
         } else {
           // 音频文件直接上传
+          console.log('[VoiceStore] 直接上传音频文件...');
           sourceUrl = await voiceApi.uploadAudio(file);
+          console.log('[VoiceStore] uploadAudio 完成, url=', sourceUrl);
         }
 
         // 2. 提交 Vidu 同步克隆
+        console.log('[VoiceStore] 开始 submitCloneTask...');
         const cloneResult = await voiceApi.submitCloneTask({
           sourceAudioUrl: sourceUrl,
           voiceName: name,
         });
+        console.log('[VoiceStore] submitCloneTask 完成, result=', cloneResult);
 
         // 3. Vidu 同步返回，直接 ready
         const material: VoiceMaterial = {
@@ -174,26 +186,36 @@ export const useVoiceStore = create<VoiceState & VoiceActions>()(
           status: 'ready',
           createdAt: new Date().toISOString(),
         };
+        console.log('[VoiceStore] material=', material);
 
         // 4. 保存到本地 JSON
+        console.log('[VoiceStore] 开始 saveVoiceMaterial...');
         await voiceApi.saveVoiceMaterial(material);
+        console.log('[VoiceStore] saveVoiceMaterial 完成');
         set(state => ({ voiceMaterials: [material, ...state.voiceMaterials] }));
 
+        console.log('[VoiceStore] addVoiceMaterial 成功返回');
         return material;
+      } catch (err) {
+        console.error('[VoiceStore] addVoiceMaterial 异常:', err, '类型:', typeof err, '是Error?', err instanceof Error, 'message:', (err as Error)?.message);
+        throw err;
       } finally {
         // 清理临时文件
+        console.log('[VoiceStore] finally 清理, tempVideoPath=', tempVideoPath, 'tempMp3Path=', tempMp3Path);
         if (tempVideoPath) {
           try {
             await remove(tempVideoPath, { baseDir: BaseDirectory.AppLocalData });
-          } catch {
-            // 忽略清理错误
+            console.log('[VoiceStore] 清理 tempVideoPath 成功');
+          } catch (e) {
+            console.error('[VoiceStore] 清理 tempVideoPath 失败:', e);
           }
         }
         if (tempMp3Path) {
           try {
-            await remove(tempMp3Path);
-          } catch {
-            // 忽略清理错误
+            await remove(tempMp3Path, { baseDir: BaseDirectory.AppLocalData });
+            console.log('[VoiceStore] 清理 tempMp3Path 成功');
+          } catch (e) {
+            console.error('[VoiceStore] 清理 tempMp3Path 失败:', e);
           }
         }
       }