diff --git a/frontend/prompt_manage_page.py b/frontend/prompt_manage_page.py
index b856ead..200f3f4 100644
--- a/frontend/prompt_manage_page.py
+++ b/frontend/prompt_manage_page.py
@@ -53,7 +53,7 @@ def prompt_manage_page():
         if not selected_row:
             raise gr.Error("请先选择要删除的行")
         try:
-            db = prompt_store
+            db = get_prompt_store()
             db.remove(doc_ids=[selected_row[0]])
             return get_prompts()
         except Exception as e: