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Service/TakeStock/TakeStockService.cs

@@ -203,7 +203,10 @@ namespace Service.TakeStock
                     var toCancelCodes = jobj["toCancelCodes"].ToObject<string[]>();
                     var waitCodes = jobj["waitCodes"].ToObject<string[]>();
                     if (toCancelCodes?.Length > 0)
+                    {
+                        toCancelCodes = toCancelCodes.Distinct().ToArray();
                         order.ToCancelCodes = string.Join(',', toCancelCodes);
+                    }
                     if (waitCodes?.Length > 0)
                         order.WaitCodes = string.Join(',', waitCodes);
                 }