diff --git a/AI/Neo4j/N3_InputShiTi.py b/AI/Neo4j/N3_InputShiTi.py
index 7ead4a19..55fe2d00 100644
--- a/AI/Neo4j/N3_InputShiTi.py
+++ b/AI/Neo4j/N3_InputShiTi.py
@@ -135,10 +135,8 @@ class LLMClient:
 
 # ================== 知识图谱模块 ==================
 class KnowledgeManager:
-    """知识图谱管理器"""
-
     def __init__(self):
-        self.graph = Graph(NEO4J_URI, auth=NEO4J_AUTH)
+        self.graph = Graph(Config.NEO4J_URI, auth=Config.NEO4J_AUTH)
         self._clean_data()
         self.knowledge_map = self._load_knowledge()
         self.literacy_map = self._load_literacy()
@@ -163,20 +161,25 @@ class KnowledgeManager:
 
     def store_analysis(self, question_id: str, content: str,
                        knowledge: List[str], literacy: List[str]):
-        """存储分析结果"""
+        """事务化存储方法"""
+        tx = self.graph.begin()
         try:
-            # 创建题目节点
-            self.graph.run(
-                f"MERGE (q:Question {{id: '{question_id}', content: '{content}'}})"
-            )
+            # 转义特殊字符
+            safe_content = content.replace("'", "\\'")
+
+            # 创建/更新题目节点
+            tx.run(f"""
+                MERGE (q:Question {{id: '{question_id}'}})
+                SET q.content = '{safe_content}'
+            """)
 
             # 关联知识点
             for kp_name in knowledge:
                 kp_id = next((k for k, v in self.knowledge_map.items() if v == kp_name), None)
                 if kp_id:
-                    self.graph.run(f"""
+                    tx.run(f"""
                         MERGE (kp:KnowledgePoint {{id: '{kp_id}'}})
-                        WITH q, kp
+                        WITH kp
                         MATCH (q:Question {{id: '{question_id}'}})
                         MERGE (q)-[:REQUIRES_KNOWLEDGE]->(kp)
                     """)
@@ -185,16 +188,19 @@ class KnowledgeManager:
             for lit_name in literacy:
                 lit_id = next((k for k, v in self.literacy_map.items() if v == lit_name), None)
                 if lit_id:
-                    self.graph.run(f"""
+                    tx.run(f"""
                         MERGE (lp:LiteracyNode {{value: '{lit_id}'}})
-                        WITH q, lp
+                        WITH lp
                         MATCH (q:Question {{id: '{question_id}'}})
                         MERGE (q)-[:DEVELOPS_LITERACY]->(lp)
                     """)
+
+            tx.commit()
+            print("✅ 数据存储成功")
         except Exception as e:
+            tx.rollback()
             print(f"❌ 存储失败: {str(e)}")
 
-
 # ================== 核心逻辑模块 ==================
 class ProblemAnalyzer:
     """题目分析引擎"""