diff --git a/SiNan.Business/GOIBusiness.cs b/SiNan.Business/GOIBusiness.cs
index 7c87d83..6337ae2 100644
--- a/SiNan.Business/GOIBusiness.cs
+++ b/SiNan.Business/GOIBusiness.cs
@@ -482,7 +482,7 @@ namespace SiNan.Business
 
         public List<JDXXHistogramResponse> QueryProduct360HistogramStatistics(JDXXHistogramRequest request)
         {
-            if (!string.IsNullOrEmpty(request.Spu))
+            if (string.IsNullOrEmpty(request.Spu))
                 throw new BusinessException("缺少spu");