diff --git a/src/api/routes.py b/src/api/routes.py
index 98a0d68..762b4c5 100644
--- a/src/api/routes.py
+++ b/src/api/routes.py
@@ -1,6 +1,6 @@
 # api/routes.py
 from fastapi import APIRouter, UploadFile, File, HTTPException, BackgroundTasks, Request, Depends
-from typing import Optional
+from typing import Optional, Dict, Any
 import uuid
 from datetime import datetime
 from pathlib import Path
@@ -118,14 +118,86 @@ async def upload_stp(
 
 @router.get("/status/{task_id}")
 @router.post("/status/{task_id}")
-async def get_status(task_id: str):
-    """获取任务状态"""
-    if task_id not in tasks:
+async def get_status(task_id: str, db_session: AsyncSession = Depends(get_db_session)):
+    """
+    获取任务状态
+
+    优先返回内存中的任务信息；
+    如果内存中不存在，则从 PostgreSQL + RustFS 组装一个持久化的任务视图，
+    结构与内存任务保持尽量一致，便于前端集中展示总结性信息。
+    """
+    # 1. 内存任务（进行中的任务）
+    if task_id in tasks:
+        task = tasks[task_id]
+        logger.info(f"返回内存任务状态: {task_id} - {task['status']}")
+        return task
+
+    # 2. 持久化任务（已完成/失败，或服务重启后的任务）
+    from sqlalchemy import select
+    from models.database import ProcessingTask, STPFile, GeometryData, MeshData, MoldCavityData
+    storage_service = StorageIntegrationService()
+
+    # 查询任务和文件元数据
+    result = await db_session.execute(
+        select(ProcessingTask, STPFile)
+        .join(STPFile, ProcessingTask.stp_file_id == STPFile.id)
+        .where(ProcessingTask.task_id == task_id)
+    )
+    row = result.first()
+    if not row:
         raise HTTPException(404, "任务不存在")
 
-    task = tasks[task_id]
-    logger.info(f"返回任务状态: {task_id} - {task['status']}")
-    return task
+    processing_task, stp_file = row
+
+    # 从 RustFS 取几何 / 型腔 / 网格详细 JSON（小量数据，便于前端展示汇总）
+    file_with_data = await storage_service.get_stp_file_with_data(
+        db_session, stp_file_id=stp_file.id
+    )
+
+    geometry_json: Optional[Dict[str, Any]] = None
+    if file_with_data.get("geometry_data"):
+        # save_geometry_data 支持两种格式，这里直接拿回来的就是几何字典
+        geometry_json = file_with_data["geometry_data"]
+
+    cavity_json: Optional[Dict[str, Any]] = file_with_data.get("mold_cavity_data")
+
+    # 组装网格摘要：从 MeshData 表中读出摘要字段，避免把完整网格 JSON 丢给前端
+    mesh_summary = None
+    mesh_record = await db_session.execute(
+        select(MeshData).where(MeshData.stp_file_id == stp_file.id)
+    )
+    mesh_record = mesh_record.scalar_one_or_none()
+    if mesh_record:
+        mesh_summary = {
+            "vertex_count": mesh_record.vertex_count,
+            "face_count": mesh_record.face_count,
+            "point_count": mesh_record.point_count,
+            "quality": mesh_record.quality,
+        }
+
+    # 构造与内存任务兼容的任务视图
+    task_view = {
+        "task_id": processing_task.task_id,
+        "status": processing_task.status,
+        "filename": stp_file.original_filename if stp_file else "",
+        "file_path": stp_file.file_path or "",
+        "file_size": stp_file.file_size if stp_file else 0,
+        "upload_time": processing_task.created_time.isoformat()
+        if processing_task.created_time
+        else "",
+        "completed_at": processing_task.completed_time.isoformat()
+        if processing_task.completed_time
+        else "",
+        "geometry_data": geometry_json,
+        # key_info 沿用之前的结构，直接使用详细型腔 JSON，前端已按该结构解析
+        "key_info": cavity_json,
+        "mesh_summary": mesh_summary,
+        "analysis_result": None,
+        "error": processing_task.error_message or stp_file.error_message or None,
+    }
+
+    logger.info(f"返回持久化任务状态: {task_id} - {processing_task.status}")
+    return task_view
 
 
 @router.get("/debug/tasks")
diff --git a/static/style.css b/static/style.css
index 4a5a14d..1942f1b 100644
--- a/static/style.css
+++ b/static/style.css
@@ -7,11 +7,13 @@
 
 body {
     font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
-    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
+    background: linear-gradient(135deg, #1f2933 0%, #111827 100%);
     min-height: 100vh;
-    padding: 20px;
+    padding: 16px;
+    color: #111827;
 }
 
+/* 旧版容器保留，兼容可能的使用 */
 .container {
     max-width: 1200px;
     margin: 0 auto;
@@ -457,4 +459,511 @@ body {
     .analysis-info {
         grid-template-columns: 1fr;
     }
+}
+
+/* ===== 新版 Vue SPA 布局样式 ===== */
+
+.app-shell {
+    max-width: 1280px;
+    margin: 0 auto;
+    min-height: calc(100vh - 32px);
+    background: #0b1120;
+    border-radius: 18px;
+    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
+    display: flex;
+    flex-direction: column;
+    overflow: hidden;
+}
+
+.app-header {
+    padding: 18px 24px;
+    background: radial-gradient(circle at top left, #1d4ed8, #020617 60%);
+    border-bottom: 1px solid rgba(148, 163, 184, 0.4);
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+    gap: 16px;
+}
+
+.app-title {
+    display: flex;
+    align-items: center;
+    gap: 14px;
+    color: #e5e7eb;
+}
+
+.app-title h1 {
+    font-size: 1.5rem;
+    margin-bottom: 2px;
+}
+
+.app-title p {
+    font-size: 0.9rem;
+    color: #9ca3af;
+}
+
+.logo {
+    width: 42px;
+    height: 42px;
+    border-radius: 999px;
+    display: inline-flex;
+    align-items: center;
+    justify-content: center;
+    background: radial-gradient(circle at 30% 20%, #f59e0b, #ef4444 60%);
+    font-size: 1.4rem;
+}
+
+.app-nav {
+    display: flex;
+    gap: 10px;
+    align-items: center;
+}
+
+.nav-link {
+    padding: 8px 16px;
+    border-radius: 999px;
+    text-decoration: none;
+    color: #e5e7eb;
+    font-size: 0.9rem;
+    border: 1px solid transparent;
+    transition: all 0.2s ease;
+}
+
+.nav-link:hover {
+    border-color: rgba(148, 163, 184, 0.7);
+    background: rgba(15, 23, 42, 0.7);
+}
+
+.nav-link.active {
+    background: linear-gradient(135deg, #3b82f6, #6366f1);
+    color: white;
+    border-color: transparent;
+}
+
+.app-main {
+    flex: 1;
+    padding: 18px 22px 16px;
+    background: radial-gradient(circle at top, #020617, #020617 50%, #020617 100%);
+    color: #e5e7eb;
+    overflow-y: auto;
+}
+
+.app-footer {
+    padding: 10px 18px;
+    font-size: 0.8rem;
+    color: #9ca3af;
+    background: #020617;
+    border-top: 1px solid rgba(148, 163, 184, 0.3);
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+}
+
+.footer-left span + span {
+    margin-left: 6px;
+}
+
+.dashboard,
+.history-view,
+.result-view {
+    display: flex;
+    flex-direction: column;
+    gap: 18px;
+}
+
+.dashboard h2,
+.history-view h2,
+.result-view h2 {
+    font-size: 1.3rem;
+    margin-bottom: 4px;
+}
+
+.card-subtitle {
+    color: #9ca3af;
+    font-size: 0.9rem;
+}
+
+.grid-2 {
+    display: grid;
+    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
+    gap: 16px;
+}
+
+.grid-3 {
+    display: grid;
+    grid-template-columns: repeat(3, minmax(0, 1fr));
+    gap: 16px;
+    margin-top: 12px;
+}
+
+.card {
+    background: radial-gradient(circle at top left, #020617, #020617 60%);
+    border-radius: 16px;
+    padding: 16px 18px;
+    border: 1px solid rgba(148, 163, 184, 0.25);
+    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.7);
+}
+
+.card h2,
+.card h3 {
+    font-size: 1.05rem;
+    margin-bottom: 8px;
+    color: #e5e7eb;
+}
+
+.upload-panel {
+    margin-top: 10px;
+    display: flex;
+    flex-direction: column;
+    gap: 10px;
+}
+
+.upload-dropzone {
+    border-radius: 14px;
+    border: 1px dashed rgba(148, 163, 184, 0.6);
+    padding: 26px 18px;
+    text-align: center;
+    background: linear-gradient(135deg, rgba(15, 23, 42, 0.9), rgba(30, 64, 175, 0.4));
+    cursor: pointer;
+    transition: all 0.2s ease;
+    color: #e5e7eb;
+}
+
+.upload-dropzone:hover {
+    border-color: #60a5fa;
+    background: linear-gradient(135deg, rgba(15, 23, 42, 1), rgba(37, 99, 235, 0.6));
+}
+
+.upload-icon {
+    font-size: 2.3rem;
+    margin-bottom: 6px;
+}
+
+.upload-btn {
+    background: linear-gradient(135deg, #3b82f6, #6366f1);
+    color: white;
+    border: none;
+    padding: 10px 18px;
+    font-size: 0.95rem;
+    border-radius: 999px;
+    cursor: pointer;
+    transition: all 0.2s ease;
+    display: inline-flex;
+    align-items: center;
+    justify-content: center;
+    gap: 6px;
+}
+
+.upload-btn:hover:not(:disabled) {
+    transform: translateY(-1px);
+    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.4);
+}
+
+.upload-btn:disabled {
+    background: #4b5563;
+    cursor: not-allowed;
+    box-shadow: none;
+}
+
+.error-text {
+    color: #fecaca;
+    font-size: 0.85rem;
+}
+
+.current-task {
+    margin-top: 10px;
+    border-radius: 14px;
+    border: 1px solid rgba(148, 163, 184, 0.4);
+    background: radial-gradient(circle at top left, #020617, #020617 70%);
+}
+
+.info-row {
+    display: flex;
+    justify-content: space-between;
+    font-size: 0.9rem;
+    color: #e5e7eb;
+}
+
+.info-row + .info-row {
+    margin-top: 4px;
+}
+
+.small-hint {
+    margin-top: 6px;
+    font-size: 0.8rem;
+    color: #9ca3af;
+}
+
+.summary-card {
+    display: flex;
+    flex-direction: column;
+    gap: 10px;
+}
+
+.summary-grid {
+    display: grid;
+    grid-template-columns: repeat(2, minmax(0, 1fr));
+    gap: 10px;
+    margin-top: 4px;
+}
+
+.summary-item {
+    background: rgba(15, 23, 42, 0.9);
+    border-radius: 12px;
+    padding: 8px 10px;
+    border: 1px solid rgba(148, 163, 184, 0.4);
+}
+
+.summary-label {
+    font-size: 0.85rem;
+    color: #9ca3af;
+    margin-bottom: 2px;
+}
+
+.summary-value {
+    font-size: 1.2rem;
+    font-weight: 600;
+    color: #e5e7eb;
+}
+
+.summary-value.text-left {
+    font-size: 0.9rem;
+}
+
+.summary-value .filename {
+    font-weight: 600;
+}
+
+.summary-value .meta {
+    color: #9ca3af;
+    margin-top: 2px;
+}
+
+.summary-empty {
+    grid-column: 1 / -1;
+    font-size: 0.9rem;
+    color: #9ca3af;
+}
+
+.link-btn {
+    margin-top: 4px;
+    font-size: 0.9rem;
+    color: #93c5fd;
+    text-decoration: none;
+}
+
+.link-btn:hover {
+    text-decoration: underline;
+}
+
+.center-block {
+    text-align: center;
+    padding: 24px 8px;
+    color: #9ca3af;
+}
+
+.spinner {
+    border: 3px solid rgba(148, 163, 184, 0.3);
+    border-top: 3px solid #60a5fa;
+    border-radius: 50%;
+    width: 32px;
+    height: 32px;
+    animation: spin 0.9s linear infinite;
+    margin: 0 auto 10px;
+}
+
+.spinner.small {
+    width: 22px;
+    height: 22px;
+    margin-bottom: 6px;
+}
+
+.status-pill {
+    padding: 2px 10px;
+    border-radius: 999px;
+    font-size: 0.75rem;
+    font-weight: 600;
+    text-transform: none;
+}
+
+.status-processing {
+    background: rgba(250, 204, 21, 0.15);
+    color: #facc15;
+}
+
+.status-completed {
+    background: rgba(52, 211, 153, 0.18);
+    color: #6ee7b7;
+}
+
+.status-failed {
+    background: rgba(248, 113, 113, 0.18);
+    color: #fb7185;
+}
+
+.file-list {
+    display: flex;
+    flex-direction: column;
+    gap: 10px;
+    margin-top: 8px;
+}
+
+.file-card {
+    border-radius: 14px;
+    border: 1px solid rgba(148, 163, 184, 0.4);
+    background: rgba(15, 23, 42, 0.9);
+    padding: 10px 12px;
+}
+
+.file-card.expanded {
+    border-color: #60a5fa;
+}
+
+.file-header {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    gap: 8px;
+    cursor: pointer;
+}
+
+.file-name {
+    font-size: 0.95rem;
+    color: #e5e7eb;
+}
+
+.file-meta {
+    font-size: 0.8rem;
+    color: #9ca3af;
+}
+
+.expand-btn {
+    border: none;
+    background: transparent;
+    color: #9ca3af;
+    font-size: 0.8rem;
+    cursor: pointer;
+}
+
+.record-list {
+    margin-top: 8px;
+    border-top: 1px dashed rgba(55, 65, 81, 0.8);
+    padding-top: 6px;
+}
+
+.record-item {
+    border-radius: 12px;
+    border: 1px solid rgba(55, 65, 81, 0.9);
+    background: rgba(15, 23, 42, 0.95);
+    padding: 8px 10px;
+    margin-top: 6px;
+    cursor: pointer;
+    transition: background 0.2s ease, transform 0.1s ease;
+}
+
+.record-item:hover {
+    background: rgba(17, 24, 39, 1);
+    transform: translateY(-1px);
+}
+
+.record-header {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    font-size: 0.82rem;
+    color: #e5e7eb;
+}
+
+.record-meta {
+    margin-top: 4px;
+    font-size: 0.78rem;
+    color: #9ca3af;
+    display: flex;
+    gap: 10px;
+    flex-wrap: wrap;
+}
+
+.result-layout {
+    display: flex;
+    flex-direction: column;
+    gap: 14px;
+}
+
+.task-card .info-grid {
+    display: grid;
+    grid-template-columns: repeat(3, minmax(0, 1fr));
+    gap: 10px;
+    font-size: 0.88rem;
+}
+
+.info-item {
+    display: flex;
+    flex-direction: column;
+    gap: 2px;
+}
+
+.info-label {
+    font-size: 0.8rem;
+    color: #9ca3af;
+}
+
+.info-value {
+    font-size: 0.92rem;
+    color: #e5e7eb;
+}
+
+.data-grid {
+    display: flex;
+    flex-direction: column;
+    gap: 6px;
+}
+
+.data-item {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    font-size: 0.88rem;
+    color: #e5e7eb;
+}
+
+.data-label {
+    color: #9ca3af;
+}
+
+.data-value {
+    font-weight: 500;
+}
+
+.placeholder {
+    font-size: 0.85rem;
+    color: #6b7280;
+}
+
+.error-box {
+    margin-top: 8px;
+    padding: 8px 10px;
+    border-radius: 10px;
+    border: 1px solid rgba(248, 113, 113, 0.5);
+    background: rgba(127, 29, 29, 0.4);
+    font-size: 0.85rem;
+    color: #fecaca;
+}
+
+@media (max-width: 900px) {
+    .app-shell {
+        border-radius: 14px;
+    }
+    .app-header {
+        flex-direction: column;
+        align-items: flex-start;
+    }
+    .grid-2 {
+        grid-template-columns: minmax(0, 1fr);
+    }
+    .grid-3 {
+        grid-template-columns: minmax(0, 1fr);
+    }
+    .task-card .info-grid {
+        grid-template-columns: repeat(2, minmax(0, 1fr));
+    }
 }
\ No newline at end of file