Merge branch 'master' of http://140.143.162.39:3000/shentun/peis

src/Shentun.Peis.Application/LisRequests/LisRequestAppService.cs

@@ -629,7 +629,7 @@ namespace Shentun.Peis.LisRequests
                              patient
                          }).ToList();
 
-            if (query == null)
+            if (query.Count == 0)
             {
                 throw new UserFriendlyException("检验单号不存在");
             }