diff --git a/.gitignore b/.gitignore
index 1fb60f1..bd655bd 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,7 @@
 .snow
 .vscode
 .idea
+.openidea/
 .claude
 *.log
 backend/logs/
@@ -46,4 +47,4 @@ artifacts/
 
 frontend/coverage/
 .zcode/
-.workbuddy/
\ No newline at end of file
+.workbuddy/
diff --git a/backend/internal/modules/adminfinance/disbursement_list.go b/backend/internal/modules/adminfinance/disbursement_list.go
index eccf568..2567a20 100644
--- a/backend/internal/modules/adminfinance/disbursement_list.go
+++ b/backend/internal/modules/adminfinance/disbursement_list.go
@@ -11,7 +11,7 @@ import (
 
 func (r *Repository) Disbursements(ctx context.Context, query DisbursementQuery) (*DisbursementListDTO, error) {
 	var summary DisbursementListSummaryDTO
-	summaryDB := r.applyDisbursementFilters(r.disbursementListBaseQuery(ctx), query)
+	summaryDB := r.applyDisbursementFilters(r.disbursementListBaseQuery(ctx, query.Keyword), query)
 	if err := summaryDB.Select(`COUNT(*) AS record_count,
 		COALESCE(SUM(CASE WHEN status = 'paid' THEN actual_amount_cent ELSE 0 END), 0) AS paid_amount_cent,
 		COALESCE(SUM(CASE WHEN status = 'paid' THEN 1 ELSE 0 END), 0) AS paid_count,
@@ -30,7 +30,7 @@ func (r *Repository) Disbursements(ctx context.Context, query DisbursementQuery)
 		orderColumn = "paid_at"
 	}
 	offset := (query.Page - 1) * query.PageSize
-	rowsDB := r.applyDisbursementFilters(r.disbursementListBaseQuery(ctx), query)
+	rowsDB := r.applyDisbursementFilters(r.disbursementListBaseQuery(ctx, query.Keyword), query)
 	if err := rowsDB.Order(orderColumn + " DESC").
 		Order("source_id DESC").
 		Offset(offset).
@@ -52,7 +52,7 @@ func (r *Repository) Disbursements(ctx context.Context, query DisbursementQuery)
 	}, nil
 }
 
-func (r *Repository) disbursementListBaseQuery(ctx context.Context) *gorm.DB {
+func (r *Repository) disbursementListBaseQuery(ctx context.Context, phoneKeyword string) *gorm.DB {
 	db := r.db.WithContext(ctx)
 	platformManaged := db.Table("rental_orders AS ro").
 		Select(`'platform_managed' AS source_type,
@@ -213,6 +213,11 @@ func (r *Repository) disbursementListBaseQuery(ctx context.Context) *gorm.DB {
 		Joins("LEFT JOIN users AS u ON u.id = wr.user_id").
 		Joins("LEFT JOIN admin_users AS operator ON operator.id = COALESCE(wr.paid_by, wr.reviewed_by)")
 
+	if phoneKeyword = strings.TrimSpace(phoneKeyword); isPhoneKeyword(phoneKeyword) {
+		withdrawal = withdrawal.Where("wr.user_id = (SELECT id FROM users WHERE phone = ?)", phoneKeyword)
+		return db.Table("(?) AS d", withdrawal)
+	}
+
 	manualOffline := db.Table("manual_disbursements AS md").
 		Select(`'manual_offline' AS source_type,
 			md.id AS source_id,
@@ -267,9 +272,15 @@ func (r *Repository) applyDisbursementFilters(db *gorm.DB, query DisbursementQue
 		db = db.Where("d.user_id = ?", query.UserID)
 	}
 	if query.Keyword != "" {
-		like := "%" + query.Keyword + "%"
-		db = db.Where(`(d.business_no LIKE ? OR d.payee_name LIKE ? OR d.payee_phone LIKE ?
-			OR d.uploader_name LIKE ? OR d.account_name LIKE ? OR d.account_no LIKE ?)`, like, like, like, like, like, like)
+		keyword := strings.TrimSpace(query.Keyword)
+		if isPhoneKeyword(keyword) {
+			// 完整手机号只可能命中提现收款人，先经 users(phone) 唯一索引解析用户。
+			db = db.Where("d.source_type = ? AND d.user_id = (SELECT id FROM users WHERE phone = ?)", "withdrawal", keyword)
+		} else {
+			like := "%" + keyword + "%"
+			db = db.Where(`(d.business_no LIKE ? OR d.payee_name LIKE ? OR d.payee_phone LIKE ?
+				OR d.uploader_name LIKE ? OR d.account_name LIKE ? OR d.account_no LIKE ?)`, like, like, like, like, like, like)
+		}
 	}
 	if query.Operator != "" {
 		like := "%" + query.Operator + "%"
@@ -288,6 +299,18 @@ func (r *Repository) applyDisbursementFilters(db *gorm.DB, query DisbursementQue
 	return db
 }
 
+func isPhoneKeyword(s string) bool {
+	if len(s) != 11 || s[0] != '1' {
+		return false
+	}
+	for i := 0; i < len(s); i++ {
+		if s[i] < '0' || s[i] > '9' {
+			return false
+		}
+	}
+	return true
+}
+
 type disbursementItemRow struct {
 	SourceType         string
 	SourceID           uint64
diff --git a/backend/internal/modules/adminfinance/disbursement_list_test.go b/backend/internal/modules/adminfinance/disbursement_list_test.go
index 0611700..fed27a6 100644
--- a/backend/internal/modules/adminfinance/disbursement_list_test.go
+++ b/backend/internal/modules/adminfinance/disbursement_list_test.go
@@ -95,6 +95,22 @@ func TestDisbursementListCombinesPlatformSettlementsAndWithdrawals(t *testing.T)
 	if result.Summary.ReviewPendingAmountCent != 5000 || result.Summary.ReviewPendingCount != 1 {
 		t.Fatalf("待审核 = %d/%d, want 5000/1", result.Summary.ReviewPendingAmountCent, result.Summary.ReviewPendingCount)
 	}
+	phoneFiltered, err := repo.Disbursements(t.Context(), DisbursementQuery{
+		Keyword:  "13900000000",
+		Page:     1,
+		PageSize: 20,
+	})
+	if err != nil {
+		t.Fatalf("按完整手机号查询出款失败: %v", err)
+	}
+	if phoneFiltered.Total != 3 {
+		t.Fatalf("按完整手机号查询记录数 = %d, want 3", phoneFiltered.Total)
+	}
+	for _, item := range phoneFiltered.Items {
+		if item.SourceType != "withdrawal" || item.PayeePhone != "13900000000" {
+			t.Fatalf("完整手机号筛选返回了不匹配记录: %+v", item)
+		}
+	}
 
 	var platformItem *DisbursementItemDTO
 	for index := range result.Items {
diff --git a/backend/internal/modules/chat/admin_list_test.go b/backend/internal/modules/chat/admin_list_test.go
index 422f18a..c16f045 100644
--- a/backend/internal/modules/chat/admin_list_test.go
+++ b/backend/internal/modules/chat/admin_list_test.go
@@ -105,6 +105,13 @@ func TestListAdminConversationsUsesPersonalStateAndBatchData(t *testing.T) {
 	if counts.Ownership[adminChatFilterMine] != 1 || counts.Stages[adminChatStageAll] != 1 {
 		t.Fatalf("聚合统计异常: ownership=%v stages=%v", counts.Ownership, counts.Stages)
 	}
+	result, err = repo.ListConversationsWithFilter(t.Context(), Principal{Type: "admin", ID: admin.ID}, 1, 20, adminChatFilterMine, adminChatStageAll, user.Phone)
+	if err != nil {
+		t.Fatalf("按手机号查询订单群失败: %v", err)
+	}
+	if result.Total != 1 {
+		t.Fatalf("按手机号匹配订单群数量 = %d, want 1", result.Total)
+	}
 	if err := db.Model(&conversation).Update("type", ConversationTypeGeneralSupport).Error; err != nil {
 		t.Fatalf("切换咨询会话类型失败: %v", err)
 	}
@@ -183,6 +190,13 @@ func TestListAdminConversationsUsesListingOrderSnapshot(t *testing.T) {
 	if items[0].LatestOrderID == nil || *items[0].LatestOrderID != order.ID || items[0].LatestOrderStatus != "pending_handoff" {
 		t.Fatalf("最新订单快照未生效: %+v", items[0])
 	}
+	result, err = repo.ListConversationsWithFilter(t.Context(), Principal{Type: "admin", ID: admin.ID}, 1, 20, adminChatFilterMine, adminChatStageAll, owner.Phone)
+	if err != nil {
+		t.Fatalf("按号主手机号查询发布群失败: %v", err)
+	}
+	if result.Total != 1 {
+		t.Fatalf("按号主手机号匹配发布群数量 = %d, want 1", result.Total)
+	}
 
 	order.Status = "renting"
 	if err := db.Save(&order).Error; err != nil {
diff --git a/backend/internal/modules/chat/support.go b/backend/internal/modules/chat/support.go
index 7e1a761..d8a7903 100644
--- a/backend/internal/modules/chat/support.go
+++ b/backend/internal/modules/chat/support.go
@@ -307,10 +307,22 @@ func (r *Repository) adminConversationBase(ctx context.Context, principal Princi
 		Joins("LEFT JOIN rental_listings AS l ON l.id = COALESCE(explicit_lo.listing_id, c.listing_id)")
 	if keyword != "" {
 		upper := strings.ToUpper(keyword)
-		if len(keyword) == 11 && keyword[0] == '1' && isAllDigits(keyword) {
-			db = db.Joins("LEFT JOIN users AS renter ON renter.id = explicit_lo.renter_id").
-				Joins("LEFT JOIN users AS owner ON owner.id = COALESCE(explicit_lo.owner_id, l.owner_id)").
-				Where("(renter.phone = ? OR owner.phone = ?)", keyword, keyword)
+		if isPhoneKeyword(keyword) {
+			// 先由 users(phone) 唯一索引解析用户，再分别从订单群和发布群定位会话。
+			// 保持原有语义：订单群匹配订单号主/租客，发布群仅匹配商品号主。
+			db = db.Joins(`JOIN (
+				SELECT c2.id AS conversation_id
+				FROM chat_conversations AS c2
+				JOIN rental_orders AS o2 ON o2.id = c2.order_id
+				WHERE o2.owner_id = (SELECT id FROM users WHERE phone = ?)
+				   OR o2.renter_id = (SELECT id FROM users WHERE phone = ?)
+				UNION ALL
+				SELECT c2.id AS conversation_id
+				FROM chat_conversations AS c2
+				JOIN rental_listings AS l2 ON l2.id = c2.listing_id
+				WHERE c2.order_id IS NULL
+				  AND l2.owner_id = (SELECT id FROM users WHERE phone = ?)
+			) AS matched_phone ON matched_phone.conversation_id = c.id`, keyword, keyword, keyword)
 		} else if strings.HasPrefix(upper, "RO") || strings.HasPrefix(upper, "ORD") {
 			db = db.Where("(explicit_lo.order_no = ? OR c.latest_order_no = ?)", keyword, keyword)
 		} else if strings.HasPrefix(upper, "L") || (len(keyword) >= 12 && isAllDigits(keyword)) {
@@ -492,3 +504,7 @@ func isAllDigits(s string) bool {
 	}
 	return true
 }
+
+func isPhoneKeyword(s string) bool {
+	return len(s) == 11 && s[0] == '1' && isAllDigits(s)
+}
diff --git a/backend/internal/modules/dispute/query.go b/backend/internal/modules/dispute/query.go
index 1e16222..72f2489 100644
--- a/backend/internal/modules/dispute/query.go
+++ b/backend/internal/modules/dispute/query.go
@@ -134,11 +134,9 @@ func (r *Repository) adminDisputeCountQuery(ctx context.Context, query AdminList
 			Joins("JOIN rental_orders AS o ON o.id = d.order_id").
 			Joins("JOIN rental_listings AS l ON l.id = o.listing_id")
 	}
-	if len(kw) == 11 && kw[0] == '1' && isAllDigits(kw) {
+	if isPhoneKeyword(kw) {
 		return r.db.WithContext(ctx).Table("disputes AS d").
-			Joins("JOIN rental_orders AS o ON o.id = d.order_id").
-			Joins("JOIN users AS owner ON owner.id = o.owner_id").
-			Joins("JOIN users AS renter ON renter.id = o.renter_id")
+			Joins("JOIN rental_orders AS o ON o.id = d.order_id")
 	}
 	return r.adminFilterQuery(ctx)
 }
@@ -152,9 +150,13 @@ func applyAdminListFilters(db *gorm.DB, query AdminListQuery) *gorm.DB {
 	}
 	if keyword := strings.TrimSpace(query.Keyword); keyword != "" {
 		upper := strings.ToUpper(keyword)
-		if len(keyword) == 11 && keyword[0] == '1' && isAllDigits(keyword) {
-			// 11 位手机号：命中 users(phone) 唯一索引
-			db = db.Where("(owner.phone = ? OR renter.phone = ?)", keyword, keyword)
+		if isPhoneKeyword(keyword) {
+			// 先由 users(phone) 唯一索引解析用户，再走订单号主/租客索引。
+			db = db.Where(
+				"(o.owner_id = (SELECT id FROM users WHERE phone = ?) OR o.renter_id = (SELECT id FROM users WHERE phone = ?))",
+				keyword,
+				keyword,
+			)
 		} else if strings.HasPrefix(upper, "RO") || strings.HasPrefix(upper, "ORD") {
 			// 订单号：命中 rental_orders(order_no) 唯一索引
 			db = db.Where("o.order_no = ?", keyword)
@@ -190,3 +192,7 @@ func isAllDigits(s string) bool {
 	}
 	return true
 }
+
+func isPhoneKeyword(s string) bool {
+	return len(s) == 11 && s[0] == '1' && isAllDigits(s)
+}
diff --git a/backend/internal/modules/dispute/repository_test.go b/backend/internal/modules/dispute/repository_test.go
index f5c5bc0..cd18487 100644
--- a/backend/internal/modules/dispute/repository_test.go
+++ b/backend/internal/modules/dispute/repository_test.go
@@ -770,9 +770,9 @@ func TestApplyAdminListFiltersSmartRouting(t *testing.T) {
 		wantSQLFrag string
 	}{
 		{
-			name:        "11位手机号路由至users(phone)",
+			name:        "11位手机号先解析用户再走订单角色索引",
 			query:       AdminListQuery{Keyword: "13800138000"},
-			wantSQLFrag: "owner.phone = ? OR renter.phone = ?",
+			wantSQLFrag: "o.owner_id = (SELECT id FROM users WHERE phone = ?)",
 		},
 		{
 			name:        "RO前缀订单号路由至rental_orders(order_no)",
diff --git a/backend/internal/modules/distribution/repository.go b/backend/internal/modules/distribution/repository.go
index c6d2376..089ef34 100644
--- a/backend/internal/modules/distribution/repository.go
+++ b/backend/internal/modules/distribution/repository.go
@@ -1138,8 +1138,13 @@ func (r *Repository) ListOrders(ctx context.Context, query DistributionOrderList
 		base = base.Where("f.settlement_status = ?", financialStatus)
 	}
 	if strings.TrimSpace(query.Keyword) != "" {
-		kw := "%" + strings.TrimSpace(query.Keyword) + "%"
-		base = base.Where("(ro.order_no LIKE ? OR rl.listing_no LIKE ? OR ga.title LIKE ? OR u.phone LIKE ?)", kw, kw, kw, kw)
+		keyword := strings.TrimSpace(query.Keyword)
+		if isPhoneKeyword(keyword) {
+			base = base.Where("ro.renter_id = (SELECT id FROM users WHERE phone = ?)", keyword)
+		} else {
+			kw := "%" + keyword + "%"
+			base = base.Where("(ro.order_no LIKE ? OR rl.listing_no LIKE ? OR ga.title LIKE ? OR u.phone LIKE ?)", kw, kw, kw, kw)
+		}
 	}
 	switch strings.TrimSpace(query.Kind) {
 	case "sold":
@@ -3034,8 +3039,13 @@ func (r *Repository) ListReceivedListings(ctx context.Context, adminID, siteID u
 		base = base.Where("ga.game_name = ?", q.GameName)
 	}
 	if q.Keyword != "" {
-		kw := "%" + strings.TrimSpace(q.Keyword) + "%"
-		base = base.Where("(rl.listing_no LIKE ? OR ga.title LIKE ? OR u.phone LIKE ? OR u.nickname LIKE ?)", kw, kw, kw, kw)
+		keyword := strings.TrimSpace(q.Keyword)
+		if isPhoneKeyword(keyword) {
+			base = base.Where("rl.owner_id = (SELECT id FROM users WHERE phone = ?)", keyword)
+		} else {
+			kw := "%" + keyword + "%"
+			base = base.Where("(rl.listing_no LIKE ? OR ga.title LIKE ? OR u.phone LIKE ? OR u.nickname LIKE ?)", kw, kw, kw, kw)
+		}
 	}
 
 	var total int64
@@ -3609,7 +3619,11 @@ func (r *Repository) ListDistributionUsers(ctx context.Context, adminID, siteID
 	}
 
 	if kw := strings.TrimSpace(query.Keyword); kw != "" {
-		baseQuery = baseQuery.Where("u.phone LIKE ? OR u.nickname LIKE ?", "%"+kw+"%", "%"+kw+"%")
+		if isPhoneKeyword(kw) {
+			baseQuery = baseQuery.Where("u.phone = ?", kw)
+		} else {
+			baseQuery = baseQuery.Where("u.phone LIKE ? OR u.nickname LIKE ?", "%"+kw+"%", "%"+kw+"%")
+		}
 	}
 
 	var totalFiltered int64
@@ -3675,3 +3689,15 @@ func (r *Repository) ListDistributionUsers(ctx context.Context, adminID, siteID
 		OrderUsers: orderUsersCount,
 	}, nil
 }
+
+func isPhoneKeyword(s string) bool {
+	if len(s) != 11 || s[0] != '1' {
+		return false
+	}
+	for i := 0; i < len(s); i++ {
+		if s[i] < '0' || s[i] > '9' {
+			return false
+		}
+	}
+	return true
+}
diff --git a/backend/internal/modules/distribution/repository_test.go b/backend/internal/modules/distribution/repository_test.go
index 0a0f444..f173d4b 100644
--- a/backend/internal/modules/distribution/repository_test.go
+++ b/backend/internal/modules/distribution/repository_test.go
@@ -911,6 +911,17 @@ func TestDistributionReceivedListingsAndWallet(t *testing.T) {
 	if recPage.Total != 1 || len(recPage.Items) != 1 {
 		t.Fatalf("expected 1 received listing, got %d", recPage.Total)
 	}
+	phonePage, err := repo.ListReceivedListings(t.Context(), 0, site.ID, ReceivedListingQuery{
+		Page:     1,
+		PageSize: 10,
+		Keyword:  user.Phone,
+	})
+	if err != nil {
+		t.Fatalf("ListReceivedListings by phone failed: %v", err)
+	}
+	if phonePage.Total != 1 || phonePage.Items[0].ListingID != listing.ID {
+		t.Fatalf("expected listing %d by phone, got total=%d items=%+v", listing.ID, phonePage.Total, phonePage.Items)
+	}
 	item := recPage.Items[0]
 	if item.ListingNo != "RL-99001" || item.GameName != "delta_force" || item.OwnerNickname != "seller01" {
 		t.Fatalf("unexpected received listing: %+v", item)
@@ -1804,6 +1815,18 @@ func TestListOrdersPerformanceAndScoping(t *testing.T) {
 	if len(allPage.Items) != 2 {
 		t.Fatalf("expected 2 items, got %d", len(allPage.Items))
 	}
+	phonePage, err := repo.ListOrders(t.Context(), DistributionOrderListQuery{
+		SiteID:  0,
+		Page:    1,
+		Size:    10,
+		Keyword: u.Phone,
+	})
+	if err != nil {
+		t.Fatalf("ListOrders by phone failed: %v", err)
+	}
+	if phonePage.Total != 2 {
+		t.Fatalf("expected 2 distribution orders by renter phone, got %d", phonePage.Total)
+	}
 
 	// B. 分销商1查询其订单 (SiteID = site1.ID)
 	// 预期：只查出 distOrder1
diff --git a/backend/internal/modules/invitation/admin_filters_test.go b/backend/internal/modules/invitation/admin_filters_test.go
index 9d8c3b3..d37d8fb 100644
--- a/backend/internal/modules/invitation/admin_filters_test.go
+++ b/backend/internal/modules/invitation/admin_filters_test.go
@@ -55,9 +55,13 @@ func TestListAdminInvitationsFiltersPhoneAndInviteCode(t *testing.T) {
 		query AdminInvitationQuery
 		want  int64
 	}{
+		{name: "通用完整手机号精确匹配邀请人", query: AdminInvitationQuery{Phone: "13812345678"}, want: 1},
+		{name: "通用完整手机号精确匹配被邀请人", query: AdminInvitationQuery{Phone: "13911112222"}, want: 1},
 		{name: "通用手机号匹配邀请人", query: AdminInvitationQuery{Phone: "1234"}, want: 1},
 		{name: "通用手机号匹配被邀请人", query: AdminInvitationQuery{Phone: "139111"}, want: 1},
 		{name: "邀请码模糊匹配", query: AdminInvitationQuery{InviteCode: "beta"}, want: 1},
+		{name: "邀请人完整手机号精确匹配", query: AdminInvitationQuery{InviterPhone: "13812345678"}, want: 1},
+		{name: "被邀请人完整手机号精确匹配", query: AdminInvitationQuery{InviteePhone: "13911112222"}, want: 1},
 		{name: "邀请人手机号模糊匹配", query: AdminInvitationQuery{InviterPhone: "137"}, want: 1},
 		{name: "被邀请人手机号模糊匹配", query: AdminInvitationQuery{InviteePhone: "1362"}, want: 1},
 	}
@@ -476,6 +480,8 @@ func TestListAdminRebateLedgersFiltersPartialPhoneAndOrderNo(t *testing.T) {
 		want  int64
 	}{
 		{name: "订单号模糊匹配", query: AdminRebateLedgerQuery{OrderNo: "ALPHA"}, want: 1},
+		{name: "邀请人完整手机号精确匹配", query: AdminRebateLedgerQuery{InviterPhone: "13812345678"}, want: 1},
+		{name: "被邀请人完整手机号精确匹配", query: AdminRebateLedgerQuery{InviteePhone: "13911112222"}, want: 1},
 		{name: "邀请人手机号模糊匹配", query: AdminRebateLedgerQuery{InviterPhone: "1381"}, want: 1},
 		{name: "被邀请人手机号模糊匹配", query: AdminRebateLedgerQuery{InviteePhone: "1362"}, want: 1},
 	}
diff --git a/backend/internal/modules/invitation/repository.go b/backend/internal/modules/invitation/repository.go
index d1bb9c7..437f704 100644
--- a/backend/internal/modules/invitation/repository.go
+++ b/backend/internal/modules/invitation/repository.go
@@ -877,14 +877,30 @@ func (r *Repository) ListAdminInvitations(ctx context.Context, query AdminInvita
 		Joins("LEFT JOIN users invitee ON invitee.id = ui.invitee_id")
 
 	if p := strings.TrimSpace(query.Phone); p != "" {
-		like := "%" + p + "%"
-		db = db.Where("(inviter.phone LIKE ? OR invitee.phone LIKE ?)", like, like)
+		if isPhoneKeyword(p) {
+			db = db.Where(
+				"(ui.inviter_id = (SELECT id FROM users WHERE phone = ?) OR ui.invitee_id = (SELECT id FROM users WHERE phone = ?))",
+				p,
+				p,
+			)
+		} else {
+			like := "%" + p + "%"
+			db = db.Where("(inviter.phone LIKE ? OR invitee.phone LIKE ?)", like, like)
+		}
 	}
 	if p := strings.TrimSpace(query.InviterPhone); p != "" {
-		db = db.Where("inviter.phone LIKE ?", "%"+p+"%")
+		if isPhoneKeyword(p) {
+			db = db.Where("ui.inviter_id = (SELECT id FROM users WHERE phone = ?)", p)
+		} else {
+			db = db.Where("inviter.phone LIKE ?", "%"+p+"%")
+		}
 	}
 	if p := strings.TrimSpace(query.InviteePhone); p != "" {
-		db = db.Where("invitee.phone LIKE ?", "%"+p+"%")
+		if isPhoneKeyword(p) {
+			db = db.Where("ui.invitee_id = (SELECT id FROM users WHERE phone = ?)", p)
+		} else {
+			db = db.Where("invitee.phone LIKE ?", "%"+p+"%")
+		}
 	}
 	if code := strings.TrimSpace(query.InviteCode); code != "" {
 		db = db.Where("ui.invite_code LIKE ?", "%"+code+"%")
@@ -1008,10 +1024,18 @@ func (r *Repository) adminRebateLedgerBase(ctx context.Context, query AdminRebat
 		db = db.Where("irl.order_no LIKE ?", "%"+o+"%")
 	}
 	if p := strings.TrimSpace(query.InviterPhone); p != "" {
-		db = db.Where("inviter.phone LIKE ?", "%"+p+"%")
+		if isPhoneKeyword(p) {
+			db = db.Where("irl.inviter_id = (SELECT id FROM users WHERE phone = ?)", p)
+		} else {
+			db = db.Where("inviter.phone LIKE ?", "%"+p+"%")
+		}
 	}
 	if p := strings.TrimSpace(query.InviteePhone); p != "" {
-		db = db.Where("invitee.phone LIKE ?", "%"+p+"%")
+		if isPhoneKeyword(p) {
+			db = db.Where("irl.invitee_id = (SELECT id FROM users WHERE phone = ?)", p)
+		} else {
+			db = db.Where("invitee.phone LIKE ?", "%"+p+"%")
+		}
 	}
 	if t := strings.TrimSpace(query.TradeRole); t != "" {
 		db = db.Where("irl.trade_role = ?", t)
@@ -1050,6 +1074,18 @@ func parseAdminRebateDate(value string) (time.Time, bool) {
 	return time.Time{}, false
 }
 
+func isPhoneKeyword(s string) bool {
+	if len(s) != 11 || s[0] != '1' {
+		return false
+	}
+	for i := 0; i < len(s); i++ {
+		if s[i] < '0' || s[i] > '9' {
+			return false
+		}
+	}
+	return true
+}
+
 // ListAdminRebateLedgers 管理后台查询返利流水
 func (r *Repository) ListAdminRebateLedgers(ctx context.Context, query AdminRebateLedgerQuery) ([]map[string]any, int64, error) {
 	if r == nil || r.db == nil {
diff --git a/backend/internal/modules/order/queries.go b/backend/internal/modules/order/queries.go
index e6ba8a9..6e3fb73 100644
--- a/backend/internal/modules/order/queries.go
+++ b/backend/internal/modules/order/queries.go
@@ -241,7 +241,7 @@ func (r *Repository) adminOrderCountQuery(ctx context.Context, query AdminOrderQ
 	upper := strings.ToUpper(kw)
 	needsJoin := false
 	if kw != "" {
-		if strings.HasPrefix(upper, "RO") || strings.HasPrefix(upper, "ORD") {
+		if isPhoneKeyword(kw) || strings.HasPrefix(upper, "RO") || strings.HasPrefix(upper, "ORD") {
 			needsJoin = false
 		} else if id, err := strconv.ParseUint(kw, 10, 64); err == nil && id > 0 && kw[0] != '0' && len(kw) < 9 {
 			needsJoin = false
@@ -334,9 +334,14 @@ func applyAdminOrderFilters(db *gorm.DB, query AdminOrderQuery) *gorm.DB {
 	}
 	if keyword := strings.TrimSpace(query.Keyword); keyword != "" {
 		upper := strings.ToUpper(keyword)
-		if len(keyword) == 11 && keyword[0] == '1' && isAllDigits(keyword) {
-			// 11 位手机号：命中 users(phone) 唯一索引
-			db = db.Where("(owner.phone = ? OR renter.phone = ?)", keyword, keyword)
+		if isPhoneKeyword(keyword) {
+			// 先由 users(phone) 唯一索引解析用户，再让订单表 owner_id/renter_id 索引驱动。
+			// 不能直接写 owner.phone/renter.phone：跨表别名 OR 会让 MySQL 倒序扫描全部订单。
+			db = db.Where(
+				"(o.owner_id = (SELECT id FROM users WHERE phone = ?) OR o.renter_id = (SELECT id FROM users WHERE phone = ?))",
+				keyword,
+				keyword,
+			)
 		} else if strings.HasPrefix(upper, "RO") || strings.HasPrefix(upper, "ORD") {
 			// 订单号：命中 rental_orders(order_no) 唯一索引
 			db = db.Where("o.order_no = ?", keyword)
@@ -532,3 +537,7 @@ func isAllDigits(s string) bool {
 	}
 	return len(s) > 0
 }
+
+func isPhoneKeyword(s string) bool {
+	return len(s) == 11 && s[0] == '1' && isAllDigits(s)
+}
diff --git a/backend/internal/modules/order/repository_test.go b/backend/internal/modules/order/repository_test.go
index 980ee38..64bed4c 100644
--- a/backend/internal/modules/order/repository_test.go
+++ b/backend/internal/modules/order/repository_test.go
@@ -511,9 +511,9 @@ func TestApplyAdminOrderFiltersSmartRouting(t *testing.T) {
 		wantSQLFrag string
 	}{
 		{
-			name:        "11位手机号路由至users(phone)",
+			name:        "11位手机号先解析用户再走订单角色索引",
 			query:       AdminOrderQuery{Keyword: "13800138000"},
-			wantSQLFrag: "owner.phone = ? OR renter.phone = ?",
+			wantSQLFrag: "o.owner_id = (SELECT id FROM users WHERE phone = ?)",
 		},
 		{
 			name:        "RO前缀订单号路由至rental_orders(order_no)",
diff --git a/backend/internal/modules/pickup/repository.go b/backend/internal/modules/pickup/repository.go
index 7df4bbd..a93c022 100644
--- a/backend/internal/modules/pickup/repository.go
+++ b/backend/internal/modules/pickup/repository.go
@@ -178,17 +178,17 @@ func (r *Repository) Create(ctx context.Context, req CreateRequest, adminID uint
 			BizID:     &bid,
 			Meta:      meta,
 			Detail: map[string]any{
-				"pickup_no":             pickupNo,
-				"listing_id":            listing.ID,
-				"platform":              pickup.Platform,
-				"third_party_order_no":  pickup.ThirdPartyOrderNo,
-				"shop_name":             pickup.ShopName,
-				"operator":              pickup.Operator,
-				"account_source":        pickup.AccountSource,
-				"source_channel":        pickup.SourceChannel,
-				"order_amount_cent":     pickup.OrderAmountCent,
-				"deposit_amount_cent":   pickup.DepositAmountCent,
-				"profit_cent":           pickup.ProfitAmountCent,
+				"pickup_no":            pickupNo,
+				"listing_id":           listing.ID,
+				"platform":             pickup.Platform,
+				"third_party_order_no": pickup.ThirdPartyOrderNo,
+				"shop_name":            pickup.ShopName,
+				"operator":             pickup.Operator,
+				"account_source":       pickup.AccountSource,
+				"source_channel":       pickup.SourceChannel,
+				"order_amount_cent":    pickup.OrderAmountCent,
+				"deposit_amount_cent":  pickup.DepositAmountCent,
+				"profit_cent":          pickup.ProfitAmountCent,
 			},
 		}); err != nil {
 			return err
@@ -534,9 +534,9 @@ func (r *Repository) UpdateThirdPartyOrderNo(ctx context.Context, pickupID uint6
 			BizID:     &bid,
 			Meta:      meta,
 			Detail: map[string]any{
-				"pickup_no":                 pickup.PickupNo,
-				"old_third_party_order_no":  oldThirdPartyOrderNo,
-				"new_third_party_order_no":  pickup.ThirdPartyOrderNo,
+				"pickup_no":                pickup.PickupNo,
+				"old_third_party_order_no": oldThirdPartyOrderNo,
+				"new_third_party_order_no": pickup.ThirdPartyOrderNo,
 			},
 		})
 	})
@@ -854,9 +854,9 @@ func applyAdminPickupFilters(db *gorm.DB, query AdminPickupQuery) *gorm.DB {
 	}
 	if kw := strings.TrimSpace(query.Keyword); kw != "" {
 		upper := strings.ToUpper(kw)
-		if len(kw) == 11 && kw[0] == '1' && isAllDigits(kw) {
-			// 11 位手机号：命中 users(phone) 唯一索引
-			db = db.Where("owner.phone = ?", kw)
+		if isPhoneKeyword(kw) {
+			// 先由 users(phone) 唯一索引解析用户，再让 admin_pickups(owner_id) 索引驱动。
+			db = db.Where("p.owner_id = (SELECT id FROM users WHERE phone = ?)", kw)
 		} else if strings.HasPrefix(upper, "PK") || strings.HasPrefix(upper, "P") {
 			// 提号编号：命中 admin_pickups(pickup_no) 唯一索引
 			db = db.Where("p.pickup_no = ?", kw)
@@ -894,9 +894,8 @@ func (r *Repository) adminPickupCountQuery(ctx context.Context, query AdminPicku
 	if id, err := strconv.ParseUint(kw, 10, 64); err == nil && id > 0 && kw[0] != '0' && id < 100000000 {
 		return r.db.WithContext(ctx).Table("admin_pickups AS p")
 	}
-	if len(kw) == 11 && kw[0] == '1' && isAllDigits(kw) {
-		return r.db.WithContext(ctx).Table("admin_pickups AS p").
-			Joins("JOIN users AS owner ON owner.id = p.owner_id")
+	if isPhoneKeyword(kw) {
+		return r.db.WithContext(ctx).Table("admin_pickups AS p")
 	}
 	if strings.HasPrefix(upper, "L") || (len(kw) >= 12 && isAllDigits(kw)) {
 		return r.db.WithContext(ctx).Table("admin_pickups AS p").
@@ -1974,3 +1973,7 @@ func isAllDigits(s string) bool {
 	}
 	return true
 }
+
+func isPhoneKeyword(s string) bool {
+	return len(s) == 11 && s[0] == '1' && isAllDigits(s)
+}
diff --git a/backend/internal/modules/pickup/repository_test.go b/backend/internal/modules/pickup/repository_test.go
index c5a1a1d..007f413 100644
--- a/backend/internal/modules/pickup/repository_test.go
+++ b/backend/internal/modules/pickup/repository_test.go
@@ -829,9 +829,9 @@ func TestApplyAdminPickupFiltersSmartRouting(t *testing.T) {
 		wantSQLFrag string
 	}{
 		{
-			name:        "11位手机号路由至users(phone)",
+			name:        "11位手机号先解析用户再走提号号主索引",
 			query:       AdminPickupQuery{Keyword: "13800138000"},
-			wantSQLFrag: "owner.phone = ?",
+			wantSQLFrag: "p.owner_id = (SELECT id FROM users WHERE phone = ?)",
 		},
 		{
 			name:        "PK前缀提号编号路由至admin_pickups(pickup_no)",
diff --git a/backend/migrations/000090_invitation_rebate_invitee_index.sql b/backend/migrations/000090_invitation_rebate_invitee_index.sql
new file mode 100644
index 0000000..49c5921
--- /dev/null
+++ b/backend/migrations/000090_invitation_rebate_invitee_index.sql
@@ -0,0 +1,9 @@
+-- +goose Up
+-- 后台返利流水按完整被邀请人手机号搜索时，先经 users(phone) 解析 ID，
+-- 再由该索引定位流水，避免回退为用户表与流水表的跨表全扫描。
+ALTER TABLE invitation_rebate_ledgers
+  ADD KEY idx_invitation_rebate_invitee (invitee_id, settled_at);
+
+-- +goose Down
+ALTER TABLE invitation_rebate_ledgers
+  DROP KEY idx_invitation_rebate_invitee;
diff --git a/scripts/check-sql-guard.sh b/scripts/check-sql-guard.sh
index e74d169..86c5ab7 100755
--- a/scripts/check-sql-guard.sh
+++ b/scripts/check-sql-guard.sh
@@ -41,14 +41,15 @@ require_pattern "backend/internal/modules/pickup/repository.go" "if pageSize > 1
 # 智能意图路由与单表唯一索引直达防线（防止多表跨表 OR/LIKE 导致 MySQL 放弃索引而退化为全表扫描）
 require_pattern "backend/internal/modules/order/queries.go" "o.order_no = ?" "订单列表订单号唯一索引直达"
 require_pattern "backend/internal/modules/order/queries.go" "l.listing_no = ?" "订单列表商品号唯一索引直达"
-require_pattern "backend/internal/modules/order/queries.go" "owner.phone = ? OR renter.phone = ?" "订单列表手机号索引直达"
+require_pattern "backend/internal/modules/order/queries.go" "o.owner_id = (SELECT id FROM users WHERE phone = ?)" "订单列表手机号解析用户索引直达"
 require_pattern "backend/internal/modules/order/queries.go" "page == 1 && len(rows) < pageSize" "订单列表首页面单扫描短路"
 
 require_pattern "backend/internal/modules/pickup/repository.go" "p.pickup_no = ?" "提号列表提号单号唯一索引直达"
-require_pattern "backend/internal/modules/pickup/repository.go" "owner.phone = ?" "提号列表号主手机号索引直达"
+require_pattern "backend/internal/modules/pickup/repository.go" "p.owner_id = (SELECT id FROM users WHERE phone = ?)" "提号列表号主手机号解析用户索引直达"
 require_pattern "backend/internal/modules/pickup/repository.go" "page == 1 && len(rows) < pageSize" "提号列表首页面单扫描短路"
 
 require_pattern "backend/internal/modules/dispute/query.go" "o.order_no = ?" "纠纷列表订单号唯一索引直达"
+require_pattern "backend/internal/modules/dispute/query.go" "o.owner_id = (SELECT id FROM users WHERE phone = ?)" "纠纷列表手机号解析用户索引直达"
 require_pattern "backend/internal/modules/dispute/query.go" "page == 1 && len(rows) < pageSize" "纠纷列表首页面单扫描短路"
 
 require_pattern "backend/internal/modules/adminuser/repository.go" "u.phone = ?" "用户管理手机号唯一索引直达"
@@ -58,7 +59,10 @@ require_pattern "backend/internal/modules/listing/query.go" "l.listing_no = ?" "
 require_pattern "backend/internal/modules/listing/query.go" "page == 1 && len(rows) < pageSize" "商品列表首页面单扫描短路"
 
 require_pattern "backend/internal/modules/chat/support.go" "l.listing_no = ?" "客服会话商品号唯一索引直达"
-require_pattern "backend/internal/modules/chat/support.go" "renter.phone = ? OR owner.phone = ?" "客服会话手机号唯一索引直达"
+require_pattern "backend/internal/modules/chat/support.go" "matched_phone.conversation_id = c.id" "客服会话手机号经订单角色索引直达"
+
+require_pattern "backend/internal/modules/adminfinance/disbursement_list.go" "d.source_type = ? AND d.user_id = (SELECT id FROM users WHERE phone = ?)" "出款列表手机号解析用户索引直达"
+require_pattern "backend/internal/modules/adminfinance/disbursement_list.go" "wr.user_id = (SELECT id FROM users WHERE phone = ?)" "出款列表手机号在联合前裁剪来源"
 
 # 禁止核心列表重新引入跨表 6~10 路全扫描反模式
 forbid_pattern "backend/internal/modules/dispute/query.go" "o.order_no LIKE ? OR l.listing_no LIKE ? OR a.title LIKE ? OR owner.phone LIKE ? OR renter.phone LIKE ? OR d.id = ?" "纠纷列表禁止6表无意图全表扫描"