diff --git a/src/memos/memories/textual/prefer_text_memory/adder.py b/src/memos/memories/textual/prefer_text_memory/adder.py
index 8d00ae81d..c8eea3cd4 100644
--- a/src/memos/memories/textual/prefer_text_memory/adder.py
+++ b/src/memos/memories/textual/prefer_text_memory/adder.py
@@ -326,7 +326,7 @@ def _process_single_memory(self, memory: TextualMemoryItem) -> list[str] | str |
             search_results.sort(key=lambda x: x.score, reverse=True)
 
             return self._update_memory(
-                memory, search_results, collection_name, preference_type, update_mode="fine"
+                memory, search_results, collection_name, preference_type, update_mode="fast"
             )
 
         except Exception as e: