From 3c15bda3f1f2a4baf6e760be1df4731f04a2a0a7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=9C=B1=E5=A4=A7=E6=B4=8B?= <714403855@qq.com>
Date: Tue, 9 Dec 2025 18:42:52 +0800
Subject: [PATCH] fix quote

---
 src/memos/graph_dbs/polardb.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/memos/graph_dbs/polardb.py b/src/memos/graph_dbs/polardb.py
index 551c6d82e..8dff5824a 100644
--- a/src/memos/graph_dbs/polardb.py
+++ b/src/memos/graph_dbs/polardb.py
@@ -4056,7 +4056,7 @@ def _build_filter_conditions_cypher(
         if filter:
 
             def escape_cypher_string(value: str) -> str:
-                return value.replace("'", "''")
+                return value.replace("'", "\\'")
 
             def build_cypher_filter_condition(condition_dict: dict) -> str:
                 """Build a Cypher WHERE condition for a single filter item."""