diff --git a/app/Linebot_handler/Expense.py b/app/Linebot_handler/Expense.py
index 83a15a0..2e338a1 100755
--- a/app/Linebot_handler/Expense.py
+++ b/app/Linebot_handler/Expense.py
@@ -112,7 +112,7 @@ def parse_multiline_expense(text: str) -> dict | None:
     field_map = {
         "品項": "item_name",
         "類別": "category",
-        "金額": "amount",
+        "金額": "total_amount",
         "店家": "seller_name",
         "備註": "note",
     }
@@ -124,11 +124,11 @@ def parse_multiline_expense(text: str) -> dict | None:
                     fields[field] = value
                 break
 
-    if not all(k in fields for k in ["item_name", "category", "amount"]):
+    if not all(k in fields for k in ["item_name", "category", "total_amount"]):
         return None
 
     try:
-        fields["amount"] = float(re.sub(r"[^\d.]", "", fields["amount"]))
+        fields["total_amount"] = float(re.sub(r"[^\d.]", "", fields["total_amount"]))
     except ValueError:
         return None
 
@@ -144,7 +144,7 @@ def save_expense(line_user_id: str, fields: dict) -> str:
         db.add(Expense(
             user_id=user_id,
             category_id=subcategory_id or category_id,
-            amount=fields["amount"],
+            amount=fields["total_amount"],
             note=fields.get("note"),
             seller_name=fields.get("seller_name"),
             item_name=fields["item_name"],
@@ -156,7 +156,7 @@ def save_expense(line_user_id: str, fields: dict) -> str:
             f"✅ 已記錄！\n"
             f"品項：{fields['item_name']}\n"
             f"類別：{fields['category']}\n"
-            f"金額：${fields['amount']:.0f}\n"
+            f"金額：${fields['total_amount']:.0f}\n"
         )
         if fields.get("seller_name"):
             reply += f"店家：{fields['seller_name']}\n"
@@ -192,7 +192,7 @@ def delete_expense(line_user_id: str, target: str) -> str:
             row = rows[idx]
             db.delete(row)
             db.commit()
-            return f"✅ 已刪除：{row.item_name} ${float(row.amount):.0f}"
+            return f"✅ 已刪除：{row.item_name} ${float(row.total_amount):.0f}"
 
         matched = [r for r in rows if r.item_name == target]
         if not matched:
@@ -200,7 +200,7 @@ def delete_expense(line_user_id: str, target: str) -> str:
         row = matched[-1]
         db.delete(row)
         db.commit()
-        return f"✅ 已刪除：{row.item_name} ${float(row.amount):.0f}"
+        return f"✅ 已刪除：{row.item_name} ${float(row.total_amount):.0f}"
     except Exception as e:
         db.rollback()
         print("❌ 刪除失敗:", e)
@@ -221,7 +221,7 @@ def query_today(line_user_id: str) -> str:
         if not rows:
             return "今天還沒有記錄 📭"
 
-        total = sum(float(r.amount) for r in rows)
+        total = sum(float(r.total_amount) for r in rows)
         lines = [
             f"{i+1}. {r.item_name} ${float(r.amount):.0f}" + (f"（{r.note}）" if r.note else "")
             for i, r in enumerate(rows)
@@ -243,7 +243,7 @@ def query_month(line_user_id: str) -> str:
         sql = text("""
             SELECT
                 COALESCE(m.display_name, e.item_name) AS display_name,
-                SUM(e.amount) as total_amount
+                SUM(e.total_amount) as total_amount
             FROM expenses e
             LEFT JOIN merchant_mapping m ON e.seller_name LIKE '%%' || m.pattern || '%%'
             WHERE e.user_id = :user_id
@@ -258,7 +258,7 @@ def query_month(line_user_id: str) -> str:
         if not rows:
             return "本月還沒有記錄 📭"
 
-        total = sum(float(r.amount) for r in rows)
+        total = sum(float(r.total_amount) for r in rows)
         summary = {}
         for row in rows:
             name = row.display_name