diff --git a/wwwroot/knowledge_bases_list/file_list.dspy b/wwwroot/knowledge_bases_list/file_list.dspy
index 6c99c01..11b7b64 100644
--- a/wwwroot/knowledge_bases_list/file_list.dspy
+++ b/wwwroot/knowledge_bases_list/file_list.dspy
@@ -10,26 +10,29 @@ db = DBPools()
 dbname = get_module_dbname('rag')
 
 rows = []
-async with db.sqlorContext(dbname) as sor:
-    if folder_id:
-        recs = await sor.sqlExe(
-            "SELECT id, file_name, file_type, file_size, file_path, status, chunk_count, created_at FROM documents WHERE kb_id=${kb_id}$ AND folder_id=${folder_id}$ ORDER BY created_at DESC",
-            {"kb_id": kb_id, "folder_id": folder_id})
-    else:
-        recs = await sor.sqlExe(
-            "SELECT id, file_name, file_type, file_size, file_path, status, chunk_count, created_at FROM documents WHERE kb_id=${kb_id}$ AND (folder_id IS NULL OR folder_id='') ORDER BY created_at DESC",
-            {"kb_id": kb_id})
-    for r in recs:
-        rows.append({
-            "id": r.id,
-            "file_name": r.file_name,
-            "file_type": r.file_type or '',
-            "file_size": r.file_size or 0,
-            "file_path": r.file_path or '',
-            "status": r.status or '',
-            "chunk_count": r.chunk_count or 0,
-            "created_at": str(r.created_at)[:16] if r.created_at else ''
-        })
+try:
+    async with db.sqlorContext(dbname) as sor:
+        if folder_id:
+            recs = await sor.sqlExe(
+                "SELECT id, file_name, file_type, file_size, file_path, status, chunk_count, created_at FROM documents WHERE kb_id=${kb_id}$ AND folder_id=${folder_id}$ ORDER BY created_at DESC",
+                {"kb_id": kb_id, "folder_id": folder_id})
+        else:
+            recs = await sor.sqlExe(
+                "SELECT id, file_name, file_type, file_size, file_path, status, chunk_count, created_at FROM documents WHERE kb_id=${kb_id}$ AND (folder_id IS NULL OR folder_id='') ORDER BY created_at DESC",
+                {"kb_id": kb_id})
+        for r in recs:
+            rows.append({
+                "id": r.id,
+                "file_name": r.file_name,
+                "file_type": r.file_type or '',
+                "file_size": r.file_size or 0,
+                "file_path": r.file_path or '',
+                "status": r.status or '',
+                "chunk_count": r.chunk_count or 0,
+                "created_at": str(r.created_at)[:16] if r.created_at else ''
+            })
+except:
+    return json.dumps({"widgettype": "Text", "options": {"text": "加载文件列表失败", "cfontsize": 14, "color": "#e74c3c", "halign": "center", "marginTop": "40px"}}, ensure_ascii=False)
 
 def fmt_size(sz):
     if sz < 1024: return str(sz) + "B"
diff --git a/wwwroot/knowledge_bases_list/get_tree_data.dspy b/wwwroot/knowledge_bases_list/get_tree_data.dspy
index ef510b8..95d027e 100644
--- a/wwwroot/knowledge_bases_list/get_tree_data.dspy
+++ b/wwwroot/knowledge_bases_list/get_tree_data.dspy
@@ -3,18 +3,21 @@ id = ns.get('id')
 kb_id = ns.get('kb_id', '')
 db = DBPools()
 dbname = get_module_dbname('rag')
-async with db.sqlorContext(dbname) as sor:
-    if not id:
-        recs = await sor.sqlExe(
-            "SELECT id, '' as parentid, content as label FROM document_chunks WHERE kb_id=${kb_id}$ AND chunk_type='directory' AND (description IS NULL OR description='') ORDER BY content",
-            {"kb_id": kb_id})
-        result = [{"id": "__root__", "parentid": "", "label": "📁 根目录"}]
-        for r in recs:
-            result.append({"id": r.id, "parentid": r.parentid, "label": r.label})
-        return result
-    else:
-        recs = await sor.sqlExe(
-            "SELECT id, description as parentid, content as label FROM document_chunks WHERE kb_id=${kb_id}$ AND chunk_type='directory' AND description=${id}$ ORDER BY content",
-            {"kb_id": kb_id, "id": id})
-        return [dict(r) for r in recs]
+try:
+    async with db.sqlorContext(dbname) as sor:
+        if not id:
+            recs = await sor.sqlExe(
+                "SELECT id, '' as parentid, content as label FROM document_chunks WHERE kb_id=${kb_id}$ AND chunk_type='directory' AND (description IS NULL OR description='') ORDER BY content",
+                {"kb_id": kb_id})
+            result = [{"id": "__root__", "parentid": "", "label": "📁 根目录"}]
+            for r in recs:
+                result.append({"id": r.id, "parentid": r.parentid, "label": r.label})
+            return result
+        else:
+            recs = await sor.sqlExe(
+                "SELECT id, description as parentid, content as label FROM document_chunks WHERE kb_id=${kb_id}$ AND chunk_type='directory' AND description=${id}$ ORDER BY content",
+                {"kb_id": kb_id, "id": id})
+            return [dict(r) for r in recs]
+except:
+    return [{"id": "__root__", "parentid": "", "label": "📁 根目录（加载失败）"}]
 return []