diff --git a/src/api/routes.py b/src/api/routes.py
index 4b8a47c..b05cbd5 100644
--- a/src/api/routes.py
+++ b/src/api/routes.py
@@ -138,15 +138,34 @@ async def debug_tasks():
 
 @router.get("/api/history")
 @router.post("/api/history")
-async def get_file_history():
+async def get_file_history(db_session: AsyncSession = Depends(get_db_session)):
     """获取按文件名分组的文件历史记录"""
+    from sqlalchemy import select
+    from models.database import ProcessingTask, STPFile
+    
+    # 从数据库查询所有处理任务
+    result = await db_session.execute(
+        select(ProcessingTask, STPFile)
+        .join(STPFile, ProcessingTask.stp_file_id == STPFile.id)
+        .order_by(ProcessingTask.created_at.desc())
+    )
+    
+    tasks = result.all()
+    
     # 按文件名分组
     file_groups = {}
-    for task_id, task in tasks.items():
-        filename = task.get("filename", "unknown")
+    for task, stp_file in tasks:
+        filename = stp_file.original_filename
         if filename not in file_groups:
             file_groups[filename] = []
-        file_groups[filename].append(task)
+        
+        file_groups[filename].append({
+            "task_id": task.task_id,
+            "filename": filename,
+            "upload_time": task.created_at.isoformat() if task.created_at else "",
+            "status": task.status,
+            "file_size": stp_file.file_size
+        })
     
     # 构建返回数据
     files = []
@@ -178,20 +197,32 @@ async def get_file_records(filename: str):
     import urllib.parse
     decoded_filename = urllib.parse.unquote(filename)
     
-    # 查找匹配的文件记录
+    # 从数据库查询指定文件名的所有处理任务
+    from sqlalchemy import select
+    from models.database import ProcessingTask, STPFile
+    
+    result = await db_session.execute(
+        select(ProcessingTask, STPFile)
+        .join(STPFile, ProcessingTask.stp_file_id == STPFile.id)
+        .where(STPFile.original_filename == decoded_filename)
+        .order_by(ProcessingTask.created_at.desc())
+    )
+    
+    tasks = result.all()
+    
+    # 构建返回数据
     file_records = []
-    for task_id, task in tasks.items():
-        if task.get("filename", "") == decoded_filename:
-            file_records.append({
-                "task_id": task_id,
-                "filename": task.get("filename", ""),
-                "file_size": task.get("file_size", 0),
-                "upload_time": task.get("upload_time", ""),
-                "status": task.get("status", "unknown"),
-                "completed_at": task.get("completed_at", ""),
-                "geometry_data": task.get("geometry_data"),
-                "cavity_data": task.get("cavity_data")
-            })
+    for task, stp_file in tasks:
+        file_records.append({
+            "task_id": task.task_id,
+            "filename": stp_file.original_filename,
+            "file_size": stp_file.file_size,
+            "upload_time": task.created_at.isoformat() if task.created_at else "",
+            "status": task.status,
+            "completed_at": task.completed_at.isoformat() if task.completed_at else "",
+            "geometry_data": task.geometry_data,
+            "cavity_data": task.cavity_data
+        })
     
     # 按上传时间排序（最新的在前）
     file_records.sort(key=lambda x: x.get("upload_time", ""), reverse=True)
diff --git a/templates/history.html b/templates/history.html
index ead0b6b..9422bf1 100644
--- a/templates/history.html
+++ b/templates/history.html
@@ -185,12 +185,12 @@
                 <p>查看所有上传的STP文件分析记录</p>
             </div>
             <div class="nav-buttons">
-                <button class="upload-btn" onclick="goToUpload()">
+                <a href="/" class="upload-btn" style="text-decoration: none; display: inline-block; text-align: center;">
                     📁 上传新文件
-                </button>
-                <button class="upload-btn" onclick="goToHome()">
+                </a>
+                <a href="/" class="upload-btn" style="text-decoration: none; display: inline-block; text-align: center;">
                     🔄 返回主页
-                </button>
+                </a>
             </div>
         </div>