修复空指针异常的潜在问题

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2025-03-06 aded48e0f32d28bf61479a3c50ac63946be6f469

 Code Management/WMS/WIDESEA_WMSServer/WIDESEA_Model/Models/BasicModel/DtStockInfo.cs

@@ -79,6 +79,7 @@
        /// </summary>
        [ImporterHeader(Name = "生产产线")]
        [ExporterHeader(DisplayName = "生产产线")]
        [SugarColumn(IsNullable = true, ColumnDescription = "生产产线")]
        public string ProductionLine { get; set; }

        /// <summary>