diff --git a/src/database.py b/src/database.py
index 410810c..1f822eb 100644
--- a/src/database.py
+++ b/src/database.py
@@ -108,31 +108,20 @@ class DailyLogsDatabase:
         self.conn.commit()
     
     def insert(self, log: Dict) -> bool:
-        """插入记录（存在则跳过，不存在则插入）"""
+        """插入记录（存在则替换，不存在则插入）"""
         try:
             cursor = self.conn.cursor()
-            # 检查是否已存在
+            # 使用 INSERT OR REPLACE 来更新已存在的记录
             cursor.execute('''
-                SELECT id FROM daily_handover_logs 
-                WHERE date = ? AND shift = ? AND ship_name = ?
-            ''', (log['date'], log['shift'], log['ship_name']))
-            existing = cursor.fetchone()
-            
-            if existing:
-                # 记录已存在，跳过
-                return False
-            else:
-                # 插入新记录
-                cursor.execute('''
-                    INSERT INTO daily_handover_logs 
-                    (date, shift, ship_name, teu, efficiency, vehicles, created_at)
-                    VALUES (?, ?, ?, ?, ?, ?, CURRENT_TIMESTAMP)
-                ''', (
-                    log['date'], log['shift'], log['ship_name'],
-                    log.get('teu'), log.get('efficiency'), log.get('vehicles')
-                ))
-                self.conn.commit()
-                return True
+                INSERT OR REPLACE INTO daily_handover_logs 
+                (date, shift, ship_name, teu, efficiency, vehicles, created_at)
+                VALUES (?, ?, ?, ?, ?, ?, CURRENT_TIMESTAMP)
+            ''', (
+                log['date'], log['shift'], log['ship_name'],
+                log.get('teu'), log.get('efficiency'), log.get('vehicles')
+            ))
+            self.conn.commit()
+            return True
         except sqlite3.Error as e:
             print(f"数据库错误: {e}")
             return False