fix: search_documents 端点添加异常处理防止 traceback 泄露

src/core/splitters/pdf.py

@@ -32,12 +32,11 @@ class PDFSplitter:
         pdf_path = text  # text 参数实际是文件路径
         extracted_pages = []
         try:
-            doc = fitz.open(pdf_path)
-            for page in doc:
-                page_text = page.get_text()
-                if page_text.strip():
-                    extracted_pages.append(page_text)
-            doc.close()
+            with fitz.open(pdf_path) as doc:
+                for page in doc:
+                    page_text = page.get_text()
+                    if page_text.strip():
+                        extracted_pages.append(page_text)
         except Exception as e:
             logger.error("PDF 解析失败: %s — %s", pdf_path, e)
             raise ValueError(f"PDF 解析失败: {e}") from e

src/server/app.py

@@ -150,9 +150,15 @@ def search_documents(
     state: AppState = Depends(get_state),
     _: bool = Depends(verify_api_key),
 ):
-    searcher = state.get_searcher(req.collection)
-    results = searcher.search(req.query, top_k=req.top_k)
-    return {"results": results, "collection": searcher.collection_name}
+    try:
+        searcher = state.get_searcher(req.collection)
+        results = searcher.search(req.query, top_k=req.top_k)
+        return {"results": results, "collection": searcher.collection_name}
+    except HTTPException:
+        raise
+    except Exception:
+        logger.exception("检索失败")
+        raise HTTPException(status_code=500, detail="服务器内部错误")
 
 
 @app.delete("/api/v1/documents/{file_name}")