优化

Src/Transforms/RestfulSample.cs

@@ -304,6 +304,7 @@ namespace Kivii.Samples.Transforms
             var sample = conn.Single(querySample);
             if (sample == null)
             {
+                sample = new Sample();
                 sample.PopulateWith(rootSample);
             }
             if (IncludeLocation)