Fix: skip duplicate records instead of accumulating TEU

src/database.py

@@ -108,27 +108,21 @@ class DailyLogsDatabase:
         self.conn.commit()
     
     def insert(self, log: Dict) -> bool:
-        """插入记录（存在则累加TEU，不存在则插入）"""
+        """插入记录（存在则跳过，不存在则插入）"""
         try:
             cursor = self.conn.cursor()
-            # 检查是否已存在，如果存在则累加TEU
+            # 检查是否已存在
             cursor.execute('''
                 SELECT id, teu FROM daily_handover_logs 
                 WHERE date = ? AND shift = ? AND ship_name = ?
             ''', (log['date'], log['shift'], log['ship_name']))
             existing = cursor.fetchone()
             
-            new_teu = log.get('teu') or 0
+            new_teu = log.get('teu')
             
             if existing:
-                # 累加TEU
-                old_teu = existing['teu'] or 0
-                total_teu = old_teu + new_teu
-                cursor.execute('''
-                    UPDATE daily_handover_logs 
-                    SET teu = ?, vehicles = ?, created_at = CURRENT_TIMESTAMP
-                    WHERE id = ?
-                ''', (total_teu, log.get('vehicles'), existing['id']))
+                # 记录已存在，跳过（不重复添加）
+                return False
             else:
                 # 插入新记录
                 cursor.execute('''
@@ -139,9 +133,9 @@ class DailyLogsDatabase:
                     log['date'], log['shift'], log['ship_name'],
                     log.get('teu'), log.get('efficiency'), log.get('vehicles')
                 ))
-            
-            self.conn.commit()
-            return True
+                self.conn.commit()
+                return True
+                
         except sqlite3.Error as e:
             print(f"数据库错误: {e}")
             return False