diff --git a/modules/capturesheep/modelCaptureSheep.go b/modules/capturesheep/modelCaptureSheep.go
index 2e3df5381..22d845116 100644
--- a/modules/capturesheep/modelCaptureSheep.go
+++ b/modules/capturesheep/modelCaptureSheep.go
@@ -45,6 +45,9 @@ func (this *ModelCaptureSheep) queryInfo(uid string) (results *pb.DBCaptureSheep
 		results = &pb.DBCaptureSheep{
 			Uid: uid,
 		}
+		if results.Dan, err = this.computedan(results.Integral); err != nil {
+			return
+		}
 		err = this.Add(uid, results)
 	}
 	return