From 0d578059ec53e383d0fcc7274ec5b0b5d00986d7 Mon Sep 17 00:00:00 2001 From: zzh <1368735060@qq.com> Date: Wed, 29 Jul 2026 17:28:37 +0800 Subject: [PATCH] fix: treat null/undefined contact strings as empty Co-authored-by: Cursor --- src/Oms.Application/Shared/CustomerContactHelper.cs | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/src/Oms.Application/Shared/CustomerContactHelper.cs b/src/Oms.Application/Shared/CustomerContactHelper.cs index e5f355c..4237453 100644 --- a/src/Oms.Application/Shared/CustomerContactHelper.cs +++ b/src/Oms.Application/Shared/CustomerContactHelper.cs @@ -30,6 +30,11 @@ public static class CustomerContactHelper public static string? NormalizeOptionalContact(string? value) { var trimmed = value?.Trim(); - return string.IsNullOrWhiteSpace(trimmed) ? null : trimmed; + if (string.IsNullOrWhiteSpace(trimmed)) return null; + // 前端/第三方有时会把缺失值以字符串形式传过来（如 "null" / "undefined"） + // 这类值应按“未填写”处理，否则会误触发“已被占用”校验。 + if (trimmed.Equals("null", StringComparison.OrdinalIgnoreCase)) return null; + if (trimmed.Equals("undefined", StringComparison.OrdinalIgnoreCase)) return null; + return trimmed; } }