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                @@ -544,9 +544,11 @@ def clerk_checkout_serialNo_api(request): 
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                544
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                544
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                     except SaleclerkInfo.DoesNotExist: 
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                545
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                545
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                         return response(SaleclerkStatusCode.CLERK_NOT_FOUND) 
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                546
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                546
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                547
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                -    log = MchInfoEncryptLogInfo.objects.filter(model_pk=model_pk, sn=serialNo) 
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                547
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                +    log = MchInfoEncryptLogInfo.objects.filter(model_pk=model_pk, sn=serialNo).order_by('-created_at')
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                548
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                548
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                549
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                549
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                     if not log: 
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                550
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                550
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                         return response(ProductMachineStatusCode.SN_NOT_FOUND) 
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                551
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                551
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                552
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                -    return response(200, 'SerialNo Checkout Success', u'序列号校验成功') 
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                552
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                +    return response(200, 'SerialNo Checkout Success', u'序列号校验成功', data={
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                553
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                +        'code_version': log[0].version 
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                554
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                +    }) 
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