diff --git a/rag/init.py b/rag/init.py
index 1b94675..1bb93bd 100644
--- a/rag/init.py
+++ b/rag/init.py
@@ -321,15 +321,9 @@ async def doc_upload_handler(request, params_kw, *args, **kwargs):
             return json.dumps({"error": "storage_quota_exceeded",
                 "message": "存储配额超限：机构已用 " + _fmt_bytes(used) + "，限额 " + _fmt_bytes(quota_limit) + "，本文件 " + _fmt_bytes(file_size)}, ensure_ascii=False)
 
-        # Save file
+        # Save file via FileStorage (layered dir layout, returns web path e.g. /191/193/197/97/xxx.txt)
         doc_id = uuid.uuid4().hex[:16]
-        ext = os.path.splitext(file_name)[1] or ".bin"
-        saved_name = f"{doc_id}{ext}"
-        files_dir = os.path.join(os.path.dirname(os.path.abspath(__file__)), "files")
-        os.makedirs(files_dir, exist_ok=True)
-        file_path = os.path.join(files_dir, saved_name)
-        with open(file_path, "wb") as f:
-            f.write(file_data)
+        web_path = await env.save_file(file_data, file_name)
 
         file_type = _detect_file_type(file_name, "application/octet-stream")
 
@@ -339,7 +333,7 @@ async def doc_upload_handler(request, params_kw, *args, **kwargs):
                 "INSERT INTO documents (id, kb_id, file_name, file_type, file_size, file_path, mime_type, status, org_id, created_at, updated_at) "
                 "VALUES (${id}$, ${kb_id}$, ${file_name}$, ${file_type}$, ${file_size}$, ${file_path}$, ${mime_type}$, 'pending', ${org_id}$, NOW(), NOW())",
                 {"id": doc_id, "kb_id": kb_id, "file_name": file_name, "file_type": file_type,
-                 "file_size": file_size, "file_path": "/idfile/files/" + saved_name,
+                 "file_size": file_size, "file_path": web_path,
                  "mime_type": "application/octet-stream", "org_id": userorgid})
 
             # Update KB stats
diff --git a/wwwroot/knowledge_bases_list/file_list.dspy b/wwwroot/knowledge_bases_list/file_list.dspy
index 36194db..71a2970 100644
--- a/wwwroot/knowledge_bases_list/file_list.dspy
+++ b/wwwroot/knowledge_bases_list/file_list.dspy
@@ -50,10 +50,7 @@ header = {
     "subwidgets": [
         {"widgettype": "Text", "options": {"text": "📄 " + folder_label, "cfontsize": 14, "fontWeight": "bold", "color": "#333"}},
         {"widgettype": "Text", "options": {"text": "（" + str(len(rows)) + " 个文件）", "cfontsize": 12, "color": "#999", "marginLeft": "8px"}},
-        {"widgettype": "Text", "options": {"text": "", "css": "filler"}},
-        {"widgettype": "Button", "options": {"label": "📊 分析结果", "cfontsize": 12, "bgcolor": "#ede7f6", "color": "#4527a0", "padding": "4px 12px", "borderRadius": "14px", "marginLeft": "8px"},
-         "binds": [{"wid": "self", "event": "click", "actiontype": "urlwidget", "target": "file_list_panel", "mode": "replace",
-                     "options": {"url": "./analysis.dspy?kb_id=" + kb_id}}]}
+        {"widgettype": "Text", "options": {"text": "", "css": "filler"}}
     ]
 }
 
@@ -89,7 +86,7 @@ else:
                 {"widgettype": "Text", "options": {"text": st, "cfontsize": 11, "color": sc, "cwidth": 6, "halign": "center"}},
                 {"widgettype": "Text", "options": {"text": f["created_at"], "cfontsize": 11, "color": "#999", "cwidth": 13, "halign": "center"}},
                 {
-                    "widgettype": "HBox", "options": {"spacing": "6px"},
+                    "widgettype": "HBox", "options": {"spacing": "14px"},
                     "subwidgets": [
                         {"widgettype": "Text", "options": {"text": "👁", "cfontsize": 14, "css": "clickable", "color": "#4a90d9", "title": "查看"},
                          "binds": [{"wid": "self", "event": "click", "actiontype": "script", "target": "self",