diff --git a/cmd/channel_stats_compare/profit_loss.go b/cmd/channel_stats_compare/profit_loss.go
new file mode 100644
index 0000000..ee306ce
--- /dev/null
+++ b/cmd/channel_stats_compare/profit_loss.go
@@ -0,0 +1,145 @@
+package main
+
+import (
+	"fmt"
+	"strings"
+
+	"gorm.io/driver/mysql"
+	"gorm.io/gorm"
+)
+
+func main() {
+	dsn := "root:bindbox2025kdy@tcp(150.158.78.154:3306)/dev_game?charset=utf8mb4&parseTime=True&loc=Local"
+	db, err := gorm.Open(mysql.Open(dsn), &gorm.Config{})
+	if err != nil {
+		fmt.Println("连接失败:", err)
+		return
+	}
+
+	channelID := 3
+
+	// 1. 成本统计（复用 calcCostByInventory 的 SQL 逻辑）
+	type costRow struct {
+		UnitCost   int64
+		Multiplier int64
+	}
+	var rows []costRow
+	db.Table("user_inventory").
+		Select(`
+			COALESCE(NULLIF(user_inventory.value_cents, 0), activity_reward_settings.price_snapshot_cents, products.price, 0) AS unit_cost,
+			GREATEST(COALESCE(system_item_cards.reward_multiplier_x1000, 1000), 1000) AS multiplier
+		`).
+		Joins("JOIN users ON users.id = user_inventory.user_id").
+		Joins("LEFT JOIN orders ON orders.id = user_inventory.order_id").
+		Joins("LEFT JOIN activity_reward_settings ON activity_reward_settings.id = user_inventory.reward_id").
+		Joins("LEFT JOIN products ON products.id = user_inventory.product_id").
+		Joins("LEFT JOIN user_item_cards ON user_item_cards.id = orders.item_card_id").
+		Joins("LEFT JOIN system_item_cards ON system_item_cards.id = user_item_cards.card_id").
+		Where("users.channel_id = ? AND users.deleted_at IS NULL", channelID).
+		Where("user_inventory.status IN ?", []int{1, 3}).
+		Where("COALESCE(user_inventory.remark, '') NOT LIKE ?", "%void%").
+		Where("(orders.status = 2 OR user_inventory.order_id = 0 OR user_inventory.order_id IS NULL)").
+		Where("(orders.source_type IN (1,2,3,4) OR user_inventory.order_id = 0 OR user_inventory.order_id IS NULL)").
+		Scan(&rows)
+
+	var totalCostBase, totalCostFinal int64
+	var withCard, withoutCard int
+	for _, r := range rows {
+		cost := r.UnitCost * r.Multiplier / 1000
+		totalCostFinal += cost
+		totalCostBase += r.UnitCost
+		if r.Multiplier > 1000 {
+			withCard++
+		} else {
+			withoutCard++
+		}
+	}
+
+	fmt.Println("========================================")
+	fmt.Printf("渠道 %d 盈亏分析\n", channelID)
+	fmt.Println("========================================")
+	fmt.Println()
+
+	fmt.Println("【成本统计】")
+	fmt.Printf("  资产记录数:  %d 条\n", len(rows))
+	fmt.Printf("  无道具卡:    %d 条\n", withoutCard)
+	fmt.Printf("  有道具卡:    %d 条（成本×倍数）\n", withCard)
+	fmt.Printf("  基础成本:    %d 分 = %.2f 元\n", totalCostBase, float64(totalCostBase)/100)
+	fmt.Printf("  含卡成本:    %d 分 = %.2f 元\n", totalCostFinal, float64(totalCostFinal)/100)
+	if totalCostBase > 0 {
+		fmt.Printf("  道具卡加成:  +%.2f 元 (%.1f%%)\n",
+			float64(totalCostFinal-totalCostBase)/100,
+			float64(totalCostFinal-totalCostBase)/float64(totalCostBase)*100)
+	}
+	fmt.Println()
+
+	// 2. 收入统计（已有的 price_draw × count）
+	// 简化：直接用 SQL 统计 actual_amount 作为对比参考
+	type amountResult struct {
+		TotalCents int64
+	}
+	var ar amountResult
+	orderFilter := "users.channel_id = ? AND users.deleted_at IS NULL AND orders.status = 2 AND orders.actual_amount > 0 AND orders.source_type IN (1,2,3,4) AND (orders.ext_order_id = '' OR orders.ext_order_id IS NULL)"
+	db.Table("orders").
+		Joins("JOIN users ON users.id = orders.user_id").
+		Select("COALESCE(SUM(orders.actual_amount), 0) as total_cents").
+		Where(orderFilter, channelID).
+		Scan(&ar)
+
+	fmt.Println("【收入参考 (actual_amount)】")
+	fmt.Printf("  实付金额:    %d 分 = %.2f 元\n", ar.TotalCents, float64(ar.TotalCents)/100)
+	fmt.Println()
+
+	// 3. 盈亏
+	profit := ar.TotalCents - totalCostFinal
+	fmt.Println("【盈亏】")
+	fmt.Printf("  收入(实付):  %.2f 元\n", float64(ar.TotalCents)/100)
+	fmt.Printf("  成本(含卡):  %.2f 元\n", float64(totalCostFinal)/100)
+	fmt.Println(strings.Repeat("-", 40))
+	fmt.Printf("  盈亏:        %.2f 元\n", float64(profit)/100)
+	if profit > 0 {
+		fmt.Printf("  状态:        盈利 ✅\n")
+	} else if profit < 0 {
+		fmt.Printf("  状态:        亏损 ❌\n")
+	} else {
+		fmt.Printf("  状态:        持平\n")
+	}
+	fmt.Println()
+
+	// 4. 道具卡详情
+	type cardDetail struct {
+		CardName   string
+		Multiplier int64
+		Count      int64
+	}
+	var cards []cardDetail
+	db.Table("user_inventory").
+		Select(`
+			system_item_cards.name as card_name,
+			system_item_cards.reward_multiplier_x1000 as multiplier,
+			COUNT(*) as count
+		`).
+		Joins("JOIN users ON users.id = user_inventory.user_id").
+		Joins("LEFT JOIN orders ON orders.id = user_inventory.order_id").
+		Joins("LEFT JOIN user_item_cards ON user_item_cards.id = orders.item_card_id").
+		Joins("LEFT JOIN system_item_cards ON system_item_cards.id = user_item_cards.card_id").
+		Where("users.channel_id = ? AND users.deleted_at IS NULL", channelID).
+		Where("user_inventory.status IN ?", []int{1, 3}).
+		Where("COALESCE(user_inventory.remark, '') NOT LIKE ?", "%void%").
+		Where("(orders.status = 2 OR user_inventory.order_id = 0 OR user_inventory.order_id IS NULL)").
+		Where("(orders.source_type IN (1,2,3,4) OR user_inventory.order_id = 0 OR user_inventory.order_id IS NULL)").
+		Where("system_item_cards.id IS NOT NULL").
+		Group("system_item_cards.id").
+		Scan(&cards)
+
+	if len(cards) > 0 {
+		fmt.Println("【道具卡使用详情】")
+		fmt.Printf("%-20s %-10s %-10s\n", "卡名", "倍数", "次数")
+		fmt.Println(strings.Repeat("-", 40))
+		for _, c := range cards {
+			fmt.Printf("%-20s ×%.1f       %-10d\n", c.CardName, float64(c.Multiplier)/1000, c.Count)
+		}
+	} else {
+		fmt.Println("【道具卡使用详情】无道具卡使用记录")
+	}
+}
diff --git a/internal/pkg/util/remark/remark.go b/internal/pkg/util/remark/remark.go
index 049899f..e37132a 100755
--- a/internal/pkg/util/remark/remark.go
+++ b/internal/pkg/util/remark/remark.go
@@ -12,6 +12,7 @@ type OrderRemark struct {
 	IssueID    int64
 	Count      int64
 	ItemCardID int64
+	PkgID      int64 // 一番赏游戏包 ID (game_pass_packages.id)
 	Slots      []SlotInfo
 	Coupons    []CouponInfo
 }
@@ -60,6 +61,8 @@ func Parse(remark string) *OrderRemark {
 		} else if strings.HasPrefix(p, "slots:") {
 			// 处理多个 slots:X:Y,X:Y
 			r.Slots = append(r.Slots, parseSlots(p[6:])...)
+		} else if strings.HasPrefix(p, "pkg_id:") {
+			r.PkgID = parseInt64(p[7:])
 		} else if strings.HasPrefix(p, "c:") {
 			// 处理优惠券 c:ID:AMT
 			r.Coupons = append(r.Coupons, parseCoupon(p[2:]))
diff --git a/internal/pkg/util/remark/remark_test.go b/internal/pkg/util/remark/remark_test.go
new file mode 100644
index 0000000..53fc5fe
--- /dev/null
+++ b/internal/pkg/util/remark/remark_test.go
@@ -0,0 +1,171 @@
+package remark
+
+import (
+	"testing"
+)
+
+func TestParse_Lottery(t *testing.T) {
+	// 抽奖订单: lottery:activity:82|issue:89|count:1|slots:15:1
+	rm := Parse("lottery:activity:82|issue:89|count:1|slots:15:1")
+	if rm.ActivityID != 82 {
+		t.Errorf("ActivityID = %d, want 82", rm.ActivityID)
+	}
+	if rm.IssueID != 89 {
+		t.Errorf("IssueID = %d, want 89", rm.IssueID)
+	}
+	if rm.Count != 1 {
+		t.Errorf("Count = %d, want 1", rm.Count)
+	}
+	if rm.PkgID != 0 {
+		t.Errorf("PkgID = %d, want 0", rm.PkgID)
+	}
+	if len(rm.Slots) != 1 || rm.Slots[0].SlotIndex != 15 {
+		t.Errorf("Slots = %+v, want [{SlotIndex:15 Count:1}]", rm.Slots)
+	}
+}
+
+func TestParse_MatchingGamePaid(t *testing.T) {
+	// 对对碰付费: matching_game:issue:104|coupon:267|c:267:500
+	rm := Parse("matching_game:issue:104|coupon:267|c:267:500")
+	if rm.ActivityID != 0 {
+		t.Errorf("ActivityID = %d, want 0 (matching game paid has no activity prefix)", rm.ActivityID)
+	}
+	if rm.IssueID != 104 {
+		t.Errorf("IssueID = %d, want 104", rm.IssueID)
+	}
+	if rm.PkgID != 0 {
+		t.Errorf("PkgID = %d, want 0", rm.PkgID)
+	}
+	if rm.Count != 1 {
+		t.Errorf("Count = %d, want 1 (default)", rm.Count)
+	}
+	if len(rm.Coupons) != 1 || rm.Coupons[0].UserCouponID != 267 || rm.Coupons[0].AppliedAmount != 500 {
+		t.Errorf("Coupons = %+v, want [{UserCouponID:267 AppliedAmount:500}]", rm.Coupons)
+	}
+}
+
+func TestParse_MatchingGameFree(t *testing.T) {
+	// 对对碰免费(game_pass): activity:50|game_pass:12|matching_game:issue:96
+	rm := Parse("activity:50|game_pass:12|matching_game:issue:96")
+	if rm.ActivityID != 50 {
+		t.Errorf("ActivityID = %d, want 50", rm.ActivityID)
+	}
+	if rm.IssueID != 96 {
+		t.Errorf("IssueID = %d, want 96", rm.IssueID)
+	}
+	if rm.PkgID != 0 {
+		t.Errorf("PkgID = %d, want 0", rm.PkgID)
+	}
+}
+
+func TestParse_Ichiban(t *testing.T) {
+	// 一番赏: game_pass_package:梦的起点！|pkg_id:11|count:4
+	rm := Parse("game_pass_package:梦的起点！|pkg_id:11|count:4")
+	if rm.PkgID != 11 {
+		t.Errorf("PkgID = %d, want 11", rm.PkgID)
+	}
+	if rm.Count != 4 {
+		t.Errorf("Count = %d, want 4", rm.Count)
+	}
+	if rm.ActivityID != 0 {
+		t.Errorf("ActivityID = %d, want 0", rm.ActivityID)
+	}
+	if rm.IssueID != 0 {
+		t.Errorf("IssueID = %d, want 0", rm.IssueID)
+	}
+}
+
+func TestParse_IchibanSingle(t *testing.T) {
+	// 一番赏单包: game_pass_package:幸运一番|pkg_id:5|count:1
+	rm := Parse("game_pass_package:幸运一番|pkg_id:5|count:1")
+	if rm.PkgID != 5 {
+		t.Errorf("PkgID = %d, want 5", rm.PkgID)
+	}
+	if rm.Count != 1 {
+		t.Errorf("Count = %d, want 1", rm.Count)
+	}
+}
+
+func TestParse_Empty(t *testing.T) {
+	rm := Parse("")
+	if rm.ActivityID != 0 || rm.IssueID != 0 || rm.PkgID != 0 || rm.Count != 1 {
+		t.Errorf("empty remark should have zero IDs and count=1, got %+v", rm)
+	}
+}
+
+func TestParse_ActivityOnly(t *testing.T) {
+	// activity: 前缀（直购）
+	rm := Parse("activity:30|issue:45|count:2")
+	if rm.ActivityID != 30 {
+		t.Errorf("ActivityID = %d, want 30", rm.ActivityID)
+	}
+	if rm.IssueID != 45 {
+		t.Errorf("IssueID = %d, want 45", rm.IssueID)
+	}
+	if rm.Count != 2 {
+		t.Errorf("Count = %d, want 2", rm.Count)
+	}
+}
+
+func TestParse_ClassificationPriority(t *testing.T) {
+	// 验证三路分类逻辑：
+	// Case 1: ActivityID > 0 → 抽奖/直购
+	// Case 2: ActivityID==0 && IssueID > 0 → 对对碰
+	// Case 3: ActivityID==0 && IssueID==0 && PkgID > 0 → 一番赏
+
+	tests := []struct {
+		name       string
+		remark     string
+		wantCase   string
+		activityID int64
+		issueID    int64
+		pkgID      int64
+	}{
+		{
+			name:       "lottery → case1",
+			remark:     "lottery:activity:10|issue:20|count:1",
+			wantCase:   "case1",
+			activityID: 10, issueID: 20, pkgID: 0,
+		},
+		{
+			name:       "matching_game paid → case2",
+			remark:     "matching_game:issue:50",
+			wantCase:   "case2",
+			activityID: 0, issueID: 50, pkgID: 0,
+		},
+		{
+			name:       "ichiban → case3",
+			remark:     "game_pass_package:test|pkg_id:7|count:2",
+			wantCase:   "case3",
+			activityID: 0, issueID: 0, pkgID: 7,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			rm := Parse(tt.remark)
+			if rm.ActivityID != tt.activityID {
+				t.Errorf("ActivityID = %d, want %d", rm.ActivityID, tt.activityID)
+			}
+			if rm.IssueID != tt.issueID {
+				t.Errorf("IssueID = %d, want %d", rm.IssueID, tt.issueID)
+			}
+			if rm.PkgID != tt.pkgID {
+				t.Errorf("PkgID = %d, want %d", rm.PkgID, tt.pkgID)
+			}
+
+			// 验证分类
+			var gotCase string
+			if rm.ActivityID > 0 {
+				gotCase = "case1"
+			} else if rm.IssueID > 0 {
+				gotCase = "case2"
+			} else if rm.PkgID > 0 {
+				gotCase = "case3"
+			}
+			if gotCase != tt.wantCase {
+				t.Errorf("classification = %s, want %s", gotCase, tt.wantCase)
+			}
+		})
+	}
+}
diff --git a/internal/service/channel/channel.go b/internal/service/channel/channel.go
index 1f2f30c..a271ffb 100755
--- a/internal/service/channel/channel.go
+++ b/internal/service/channel/channel.go
@@ -8,6 +8,7 @@ import (
 	"time"
 
 	"bindbox-game/internal/pkg/logger"
+	"bindbox-game/internal/pkg/util/remark"
 	"bindbox-game/internal/repository/mysql"
 	"bindbox-game/internal/repository/mysql/dao"
 	"bindbox-game/internal/repository/mysql/model"
@@ -69,18 +70,24 @@ type StatsOutput struct {
 }
 
 type StatsOverview struct {
-	TotalUsers     int64 `json:"total_users"`
-	TotalOrders    int64 `json:"total_orders"`
-	TotalGMV       int64 `json:"total_gmv"`
-	TotalPaidCents int64 `json:"total_paid_cents"`
+	TotalUsers       int64 `json:"total_users"`
+	TotalOrders      int64 `json:"total_orders"`
+	TotalGMV         int64 `json:"total_gmv"`
+	TotalPaidCents   int64 `json:"total_paid_cents"`
+	TotalCostCents   int64 `json:"total_cost_cents"`   // 总成本(分)
+	TotalProfitCents int64 `json:"total_profit_cents"` // 盈亏(分) = paid - cost
+	TotalCost        int64 `json:"total_cost"`         // 总成本(元)
+	TotalProfit      int64 `json:"total_profit"`       // 盈亏(元)
 }
 
 type StatsDailyItem struct {
-	Date       string `json:"date"`
-	UserCount  int64  `json:"user_count"`
-	OrderCount int64  `json:"order_count"`
-	GMV        int64  `json:"gmv"`
-	PaidCents  int64  `json:"paid_cents"`
+	Date        string `json:"date"`
+	UserCount   int64  `json:"user_count"`
+	OrderCount  int64  `json:"order_count"`
+	GMV         int64  `json:"gmv"`
+	PaidCents   int64  `json:"paid_cents"`
+	CostCents   int64  `json:"cost_cents"`   // 当日成本(分)
+	ProfitCents int64  `json:"profit_cents"` // 当日盈亏(分)
 }
 
 type SearchUsersInput struct {
@@ -122,6 +129,213 @@ var (
 	ErrSearchKeywordEmpty = errors.New("search_keyword_empty")
 )
 
+type orderRemarkRow struct {
+	Remark    string
+	CreatedAt time.Time
+}
+
+// calcPaidByPriceDraw 解析订单 remark，按游戏类型分三路计算实付金额：
+//   - Case 1 (抽奖/直购): ActivityID > 0 → activities.price_draw × count
+//   - Case 2 (对对碰): IssueID > 0 → activity_issues → activities.price_draw × count
+//   - Case 3 (一番赏): PkgID > 0 → game_pass_packages.price × count
+//
+// 返回：总金额(分)、按 dateFmt 格式分组的金额。
+func (s *service) calcPaidByPriceDraw(ctx context.Context, rows []orderRemarkRow, dateFmt string) (int64, map[string]int64) {
+	if len(rows) == 0 {
+		return 0, nil
+	}
+
+	type parsedActivity struct {
+		activityID int64
+		count      int64
+		dateKey    string
+	}
+	type parsedIssue struct {
+		issueID int64
+		count   int64
+		dateKey string
+	}
+	type parsedPkg struct {
+		pkgID   int64
+		count   int64
+		dateKey string
+	}
+
+	var actItems []parsedActivity
+	var issueItems []parsedIssue
+	var pkgItems []parsedPkg
+
+	actIDSet := make(map[int64]struct{})
+	issueIDSet := make(map[int64]struct{})
+	pkgIDSet := make(map[int64]struct{})
+
+	for _, r := range rows {
+		rmk := remark.Parse(r.Remark)
+		dateKey := r.CreatedAt.Format(dateFmt)
+
+		if rmk.ActivityID > 0 {
+			// Case 1: 抽奖/直购 — 直接有 activityID
+			actItems = append(actItems, parsedActivity{rmk.ActivityID, rmk.Count, dateKey})
+			actIDSet[rmk.ActivityID] = struct{}{}
+		} else if rmk.IssueID > 0 {
+			// Case 2: 对对碰付费路径 — 只有 issueID，需查 activity_issues
+			issueItems = append(issueItems, parsedIssue{rmk.IssueID, rmk.Count, dateKey})
+			issueIDSet[rmk.IssueID] = struct{}{}
+		} else if rmk.PkgID > 0 {
+			// Case 3: 一番赏 — 有 pkgID，需查 game_pass_packages
+			pkgItems = append(pkgItems, parsedPkg{rmk.PkgID, rmk.Count, dateKey})
+			pkgIDSet[rmk.PkgID] = struct{}{}
+		}
+	}
+
+	// ── Case 2: 批量查 activity_issues → 拿到 activityID ──
+	issueActivityMap := make(map[int64]int64) // issueID → activityID
+	if len(issueIDSet) > 0 {
+		issueIDs := make([]int64, 0, len(issueIDSet))
+		for id := range issueIDSet {
+			issueIDs = append(issueIDs, id)
+		}
+		type issueRow struct {
+			ID         int64
+			ActivityID int64
+		}
+		var issueRows []issueRow
+		s.readDB.ActivityIssues.WithContext(ctx).UnderlyingDB().
+			Table("activity_issues").
+			Select("id, activity_id").
+			Where("id IN ?", issueIDs).
+			Scan(&issueRows)
+		for _, ir := range issueRows {
+			issueActivityMap[ir.ID] = ir.ActivityID
+			actIDSet[ir.ActivityID] = struct{}{} // 合并到 actIDSet 一起查 price_draw
+		}
+	}
+
+	// ── Case 1+2: 批量查 activities.price_draw（含软删除）──
+	priceMap := make(map[int64]int64) // activityID → price_draw
+	if len(actIDSet) > 0 {
+		actIDs := make([]int64, 0, len(actIDSet))
+		for id := range actIDSet {
+			actIDs = append(actIDs, id)
+		}
+		var acts []model.Activities
+		s.readDB.Activities.WithContext(ctx).UnderlyingDB().
+			Unscoped().
+			Table("activities").
+			Select("id, price_draw").
+			Where("id IN ?", actIDs).
+			Find(&acts)
+		for _, a := range acts {
+			priceMap[a.ID] = a.PriceDraw
+		}
+	}
+
+	// ── Case 3: 批量查 game_pass_packages.price ──
+	pkgPriceMap := make(map[int64]int64) // pkgID → price
+	if len(pkgIDSet) > 0 {
+		pkgIDs := make([]int64, 0, len(pkgIDSet))
+		for id := range pkgIDSet {
+			pkgIDs = append(pkgIDs, id)
+		}
+		type pkgRow struct {
+			ID    int64
+			Price int64
+		}
+		var pkgRows []pkgRow
+		s.readDB.Activities.WithContext(ctx).UnderlyingDB().
+			Unscoped().
+			Table("game_pass_packages").
+			Select("id, price").
+			Where("id IN ?", pkgIDs).
+			Scan(&pkgRows)
+		for _, pr := range pkgRows {
+			pkgPriceMap[pr.ID] = pr.Price
+		}
+	}
+
+	// ── 累加金额 ──
+	var total int64
+	byDate := make(map[string]int64)
+
+	// Case 1: 抽奖/直购
+	for _, item := range actItems {
+		if price, ok := priceMap[item.activityID]; ok {
+			amt := price * item.count
+			total += amt
+			byDate[item.dateKey] += amt
+		}
+	}
+
+	// Case 2: 对对碰
+	for _, item := range issueItems {
+		if actID, ok := issueActivityMap[item.issueID]; ok {
+			if price, ok := priceMap[actID]; ok {
+				amt := price * item.count
+				total += amt
+				byDate[item.dateKey] += amt
+			}
+		}
+	}
+
+	// Case 3: 一番赏
+	for _, item := range pkgItems {
+		if price, ok := pkgPriceMap[item.pkgID]; ok {
+			amt := price * item.count
+			total += amt
+			byDate[item.dateKey] += amt
+		}
+	}
+
+	return total, byDate
+}
+
+// calcCostByInventory 计算渠道用户获得奖品的成本（含道具卡倍数）。
+// 成本 = SUM(奖品价值 × 道具卡倍数)
+// 奖品价值优先级: user_inventory.value_cents → activity_reward_settings.price_snapshot_cents → products.price
+// 道具卡倍数: system_item_cards.reward_multiplier_x1000 / 1000，无卡时 ×1.0
+func (s *service) calcCostByInventory(ctx context.Context, channelID int64, dateFmt string, startDate, endDate *time.Time) (int64, map[string]int64) {
+	type costRow struct {
+		UnitCost   int64
+		Multiplier int64
+		CreatedAt  time.Time
+	}
+
+	q := s.readDB.UserInventory.WithContext(ctx).UnderlyingDB().
+		Table("user_inventory").
+		Select(`
+			COALESCE(NULLIF(user_inventory.value_cents, 0), activity_reward_settings.price_snapshot_cents, products.price, 0) AS unit_cost,
+			GREATEST(COALESCE(system_item_cards.reward_multiplier_x1000, 1000), 1000) AS multiplier,
+			user_inventory.created_at
+		`).
+		Joins("JOIN users ON users.id = user_inventory.user_id").
+		Joins("LEFT JOIN orders ON orders.id = user_inventory.order_id").
+		Joins("LEFT JOIN activity_reward_settings ON activity_reward_settings.id = user_inventory.reward_id").
+		Joins("LEFT JOIN products ON products.id = user_inventory.product_id").
+		Joins("LEFT JOIN user_item_cards ON user_item_cards.id = orders.item_card_id").
+		Joins("LEFT JOIN system_item_cards ON system_item_cards.id = user_item_cards.card_id").
+		Where("users.channel_id = ? AND users.deleted_at IS NULL", channelID).
+		Where("user_inventory.status IN ?", []int{1, 3}).
+		Where("COALESCE(user_inventory.remark, '') NOT LIKE ?", "%void%").
+		Where("(orders.status = 2 OR user_inventory.order_id = 0 OR user_inventory.order_id IS NULL)").
+		Where("(orders.source_type IN (1,2,3,4) OR user_inventory.order_id = 0 OR user_inventory.order_id IS NULL)")
+
+	if startDate != nil && endDate != nil {
+		q = q.Where("user_inventory.created_at >= ? AND user_inventory.created_at <= ?", *startDate, *endDate)
+	}
+
+	var rows []costRow
+	q.Scan(&rows)
+
+	var total int64
+	byDate := make(map[string]int64)
+	for _, r := range rows {
+		cost := r.UnitCost * r.Multiplier / 1000
+		total += cost
+		byDate[r.CreatedAt.Format(dateFmt)] += cost
+	}
+	return total, byDate
+}
+
 func (s *service) Create(ctx context.Context, in CreateInput) (*model.Channels, error) {
 	m := &model.Channels{Name: in.Name, Code: in.Code, Type: in.Type, Remarks: in.Remarks}
 	if err := s.writeDB.Channels.WithContext(ctx).Create(m); err != nil {
@@ -206,19 +420,26 @@ func (s *service) List(ctx context.Context, in ListInput) (items []*ChannelWithS
 
 		type PaidResult struct {
 			ChannelID int64
-			Paid      int64
+			Remark    string
+			CreatedAt time.Time
 		}
 		var paidResults []PaidResult
 		err = s.readDB.Orders.WithContext(ctx).UnderlyingDB().Table("orders").
 			Joins("JOIN users ON users.id = orders.user_id").
-			Select("users.channel_id as channel_id, coalesce(sum(orders.actual_amount),0) as paid").
+			Select("users.channel_id, orders.remark, orders.created_at").
 			Where("users.channel_id IN ?", channelIDs).
 			Where("users.deleted_at IS NULL AND orders.status = 2 AND orders.actual_amount > 0 AND orders.source_type IN (1,2,3,4) AND (orders.ext_order_id = '' OR orders.ext_order_id IS NULL)").
-			Group("users.channel_id").
 			Scan(&paidResults).Error
 		if err == nil {
+			grouped := make(map[int64][]orderRemarkRow)
 			for _, r := range paidResults {
-				paidStats[r.ChannelID] = r.Paid
+				grouped[r.ChannelID] = append(grouped[r.ChannelID], orderRemarkRow{
+					Remark: r.Remark, CreatedAt: r.CreatedAt,
+				})
+			}
+			for chID, rows := range grouped {
+				total, _ := s.calcPaidByPriceDraw(ctx, rows, "2006-01-02")
+				paidStats[chID] = total
 			}
 		}
 	}
@@ -235,10 +456,8 @@ func (s *service) List(ctx context.Context, in ListInput) (items []*ChannelWithS
 	return
 }
 
-func (s *service) GetStats(ctx context.Context, channelID int64, months int, startDateStr, endDateStr string) (*StatsOutput, error) {
+func (s *service) GetStats(ctx context.Context, channelID int64, days int, startDateStr, endDateStr string) (*StatsOutput, error) {
 	now := time.Now()
-	var startDate, endDate time.Time
-	var startBucket, endBucket time.Time
 
 	_, err := s.readDB.Channels.WithContext(ctx).Where(s.readDB.Channels.ID.Eq(channelID)).First()
 	if err != nil {
@@ -248,102 +467,113 @@ func (s *service) GetStats(ctx context.Context, channelID int64, months int, sta
 		return nil, err
 	}
 
-	// 如果指定了日期范围，使用自定义日期
-	if startDateStr != "" && endDateStr != "" {
-		var err error
-		startDate, err = time.Parse("2006-01-02", startDateStr)
-		if err != nil {
-			return nil, err
-		}
-		endDate, err = time.Parse("2006-01-02", endDateStr)
-		if err != nil {
-			return nil, err
-		}
-		// 确保 endDate 是当天结束
-		endDate = endDate.Add(24*time.Hour - time.Second)
-		startBucket = time.Date(startDate.Year(), startDate.Month(), 1, 0, 0, 0, 0, startDate.Location())
-		endBucket = time.Date(endDate.Year(), endDate.Month(), 1, 0, 0, 0, 0, endDate.Location())
-		months = (endBucket.Year()-startBucket.Year())*12 + int(endBucket.Month()-startBucket.Month()) + 1
-		if months <= 0 {
-			months = 1
-		}
-	} else {
-		// 默认按月份计算
-		if months <= 0 {
-			months = 12
-		}
-		startMonth := now.AddDate(0, -months+1, 0)
-		startDate = time.Date(startMonth.Year(), startMonth.Month(), 1, 0, 0, 0, 0, startMonth.Location())
-		endDate = now
-		startBucket = startDate
-	}
-
 	out := &StatsOutput{}
+	orderFilter := "users.channel_id = ? AND users.deleted_at IS NULL AND orders.status = 2 AND orders.actual_amount > 0 AND orders.source_type IN (1,2,3,4) AND (orders.ext_order_id = '' OR orders.ext_order_id IS NULL)"
+
+	// ========== 1. Overview（全量，不限时间）==========
 
-	// 1. Overview
-	// Users
 	userCount, _ := s.readDB.Users.WithContext(ctx).Where(s.readDB.Users.ChannelID.Eq(channelID)).Count()
 	out.Overview.TotalUsers = userCount
 
-	// Orders & GMV
-	type OrderStat struct {
-		Count int64
-		GMV   int64
-	}
-	var os OrderStat
+	type countResult struct{ Count int64 }
+	var cr countResult
 	s.readDB.Orders.WithContext(ctx).UnderlyingDB().Table("orders").
 		Joins("JOIN users ON users.id = orders.user_id").
-		Select("count(*) as count, coalesce(sum(actual_amount),0) as gmv").
-		Where("users.channel_id = ? AND users.deleted_at IS NULL AND orders.status = 2 AND orders.actual_amount > 0 AND orders.source_type IN (1,2,3,4) AND (orders.ext_order_id = '' OR orders.ext_order_id IS NULL)", channelID).
-		Scan(&os)
-	out.Overview.TotalOrders = os.Count
-	out.Overview.TotalGMV = os.GMV / 100
-	out.Overview.TotalPaidCents = os.GMV
+		Select("count(*) as count").
+		Where(orderFilter, channelID).
+		Scan(&cr)
+	out.Overview.TotalOrders = cr.Count
 
-	// 2. Monthly Stats
-	dateMap := make(map[string]*StatsDailyItem)
-	var dateList []string
-	for i := 0; i < months; i++ {
-		d := startBucket.AddDate(0, i, 0).Format("2006-01")
-		dateList = append(dateList, d)
-		dateMap[d] = &StatsDailyItem{Date: d}
+	var allRemarks []orderRemarkRow
+	s.readDB.Orders.WithContext(ctx).UnderlyingDB().Table("orders").
+		Joins("JOIN users ON users.id = orders.user_id").
+		Select("orders.remark, orders.created_at").
+		Where(orderFilter, channelID).
+		Scan(&allRemarks)
+
+	totalPaid, _ := s.calcPaidByPriceDraw(ctx, allRemarks, "2006-01-02")
+	out.Overview.TotalPaidCents = totalPaid
+	out.Overview.TotalGMV = totalPaid / 100
+
+	// 1d. 累计成本（全量，含道具卡倍数）
+	totalCost, _ := s.calcCostByInventory(ctx, channelID, "2006-01-02", nil, nil)
+	out.Overview.TotalCostCents = totalCost
+	out.Overview.TotalCost = totalCost / 100
+	out.Overview.TotalProfitCents = totalPaid - totalCost
+	out.Overview.TotalProfit = out.Overview.TotalProfitCents / 100
+
+	// ========== 2. 趋势图（按天分组，受 days 限制）==========
+
+	var startDate, endDate time.Time
+	if startDateStr != "" && endDateStr != "" {
+		startDate, _ = time.Parse("2006-01-02", startDateStr)
+		endDate, _ = time.Parse("2006-01-02", endDateStr)
+		endDate = endDate.Add(24*time.Hour - time.Second)
+	} else {
+		if days <= 0 {
+			days = 12
+		}
+		startDate = time.Date(now.Year(), now.Month(), now.Day(), 0, 0, 0, 0, now.Location()).AddDate(0, 0, -days+1)
+		endDate = now
 	}
 
-	// Monthly Users
-	type MonthlyUser struct {
+	dateMap := make(map[string]*StatsDailyItem)
+	var dateList []string
+	for d := startDate; !d.After(endDate); d = d.AddDate(0, 0, 1) {
+		key := d.Format("2006-01-02")
+		dateList = append(dateList, key)
+		dateMap[key] = &StatsDailyItem{Date: key}
+	}
+
+	type dailyCount struct {
 		Date  string
 		Count int64
 	}
-	var monthlyUsers []MonthlyUser
-	s.readDB.Users.WithContext(ctx).UnderlyingDB().Table("users").
-		Select("DATE_FORMAT(created_at, '%Y-%m') as date, count(*) as count").
-		Where("channel_id = ? AND deleted_at IS NULL AND created_at >= ? AND created_at <= ?", channelID, startDate, endDate).
-		Group("date").Scan(&monthlyUsers)
 
-	for _, u := range monthlyUsers {
+	var dailyUsers []dailyCount
+	s.readDB.Users.WithContext(ctx).UnderlyingDB().Table("users").
+		Select("DATE_FORMAT(created_at, '%Y-%m-%d') as date, count(*) as count").
+		Where("channel_id = ? AND deleted_at IS NULL AND created_at >= ? AND created_at <= ?", channelID, startDate, endDate).
+		Group("date").Scan(&dailyUsers)
+	for _, u := range dailyUsers {
 		if item, ok := dateMap[u.Date]; ok {
 			item.UserCount = u.Count
 		}
 	}
 
-	// Monthly Orders
-	type MonthlyOrder struct {
-		Date  string
-		Count int64
-		GMV   int64
-	}
-	var monthlyOrders []MonthlyOrder
+	var dailyOrders []dailyCount
 	s.readDB.Orders.WithContext(ctx).UnderlyingDB().Table("orders").
 		Joins("JOIN users ON users.id = orders.user_id").
-		Select("DATE_FORMAT(orders.created_at, '%Y-%m') as date, count(*) as count, coalesce(sum(actual_amount),0) as gmv").
-		Where("users.channel_id = ? AND users.deleted_at IS NULL AND orders.status = 2 AND orders.actual_amount > 0 AND orders.source_type IN (1,2,3,4) AND (orders.ext_order_id = '' OR orders.ext_order_id IS NULL) AND orders.created_at >= ? AND orders.created_at <= ?", channelID, startDate, endDate).
-		Group("date").Scan(&monthlyOrders)
-
-	for _, o := range monthlyOrders {
+		Select("DATE_FORMAT(orders.created_at, '%Y-%m-%d') as date, count(*) as count").
+		Where(orderFilter+" AND orders.created_at >= ? AND orders.created_at <= ?", channelID, startDate, endDate).
+		Group("date").Scan(&dailyOrders)
+	for _, o := range dailyOrders {
 		if item, ok := dateMap[o.Date]; ok {
 			item.OrderCount = o.Count
-			item.GMV = o.GMV / 100
-			item.PaidCents = o.GMV
+		}
+	}
+
+	var rangeRemarks []orderRemarkRow
+	s.readDB.Orders.WithContext(ctx).UnderlyingDB().Table("orders").
+		Joins("JOIN users ON users.id = orders.user_id").
+		Select("orders.remark, orders.created_at").
+		Where(orderFilter+" AND orders.created_at >= ? AND orders.created_at <= ?", channelID, startDate, endDate).
+		Scan(&rangeRemarks)
+
+	_, dailyPaid := s.calcPaidByPriceDraw(ctx, rangeRemarks, "2006-01-02")
+	for dateKey, paid := range dailyPaid {
+		if item, ok := dateMap[dateKey]; ok {
+			item.PaidCents = paid
+			item.GMV = paid / 100
+		}
+	}
+
+	// 2f. 每日成本（含道具卡倍数）
+	_, dailyCost := s.calcCostByInventory(ctx, channelID, "2006-01-02", &startDate, &endDate)
+	for dateKey, cost := range dailyCost {
+		if item, ok := dateMap[dateKey]; ok {
+			item.CostCents = cost
+			item.ProfitCents = item.PaidCents - cost
 		}
 	}
 
diff --git a/web/admin b/web/admin
index 7b8a876..212aacb 160000
--- a/web/admin
+++ b/web/admin
@@ -1 +1 @@
-Subproject commit 7b8a8766c6b607976b3856cd3775a795873f085d
+Subproject commit 212aacb5f8dac05b214a4c19eed4395ed7922943