diff --git a/DOAN.Service/MES/trace/TraceMainService.cs b/DOAN.Service/MES/trace/TraceMainService.cs
index e7a5eed..5855030 100644
--- a/DOAN.Service/MES/trace/TraceMainService.cs
+++ b/DOAN.Service/MES/trace/TraceMainService.cs
@@ -40,7 +40,7 @@ namespace DOAN.Service
                                      .Select(t => t.PartSn)
                                      .ToString();
                 query.PartSn = partSn;
-            }
+            } 
             var response = Context.Queryable<TraceSnScan>()
                                   .LeftJoin<TraceProductRecord>((s, r) => s.PartSn == r.PartSn)
                                   .WhereIF(!string.IsNullOrEmpty(query.PartSn), (s, r) => s.PartSn == query.PartSn)