From af3a5076d6169c1ab1b1a8e956dfc1420d5f8983 Mon Sep 17 00:00:00 2001
From: erio <asakifeng@gmail.com>
Date: Fri, 6 Mar 2026 05:17:52 +0800
Subject: [PATCH] fix: add load_factor upper bound validation to
 BulkUpdateAccounts

---
 backend/internal/service/admin_service.go | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/backend/internal/service/admin_service.go b/backend/internal/service/admin_service.go
index e5ceac07..5d96db45 100644
--- a/backend/internal/service/admin_service.go
+++ b/backend/internal/service/admin_service.go
@@ -1635,7 +1635,13 @@ func (s *adminServiceImpl) BulkUpdateAccounts(ctx context.Context, input *BulkUp
 		repoUpdates.RateMultiplier = input.RateMultiplier
 	}
 	if input.LoadFactor != nil {
-		repoUpdates.LoadFactor = input.LoadFactor
+		if *input.LoadFactor <= 0 {
+			repoUpdates.LoadFactor = nil // 0 或负数表示清除
+		} else if *input.LoadFactor > 10000 {
+			return nil, errors.New("load_factor must be <= 10000")
+		} else {
+			repoUpdates.LoadFactor = input.LoadFactor
+		}
 	}
 	if input.Status != "" {
 		repoUpdates.Status = &input.Status