diff --git a/Detector/DetCRD/scripts/CRD-Sim.py b/Detector/DetCRD/scripts/CRD-Sim.py
index 0e734b785f0c6442b320bc75e43c3d10472bc8a5..e658c12772b0d2a8e304055eafae7ad1e5c7a56f 100644
--- a/Detector/DetCRD/scripts/CRD-Sim.py
+++ b/Detector/DetCRD/scripts/CRD-Sim.py
@@ -1,4 +1,6 @@
 #!/usr/bin/env python
+import os
+
 from Gaudi.Configuration import *
 
 from Configurables import k4DataSvc
diff --git a/Detector/DetCRD/scripts/CRD_VXD_MOST2-sim.py b/Detector/DetCRD/scripts/CRD_VXD_MOST2-sim.py
index 5d595621af36d9284d9ac4e1f78adf85c0838f5d..cb3ceeb761e542e1cf6e43c2a469db62a0feac3f 100644
--- a/Detector/DetCRD/scripts/CRD_VXD_MOST2-sim.py
+++ b/Detector/DetCRD/scripts/CRD_VXD_MOST2-sim.py
@@ -1,4 +1,6 @@
 #!/usr/bin/env python
+import os
+
 from Gaudi.Configuration import *
 
 from Configurables import k4DataSvc
diff --git a/Detector/DetCRD/scripts/CRD_o1_v02-SimRec.py b/Detector/DetCRD/scripts/CRD_o1_v02-SimRec.py
index 253ea21a71125f20f9216094dd2071e2fdd950e4..05844c9f8d5e2a2e94ae13349a12dda57d0cfcc2 100644
--- a/Detector/DetCRD/scripts/CRD_o1_v02-SimRec.py
+++ b/Detector/DetCRD/scripts/CRD_o1_v02-SimRec.py
@@ -1,6 +1,10 @@
 #!/usr/bin/env python
+import os
+
 from Gaudi.Configuration import *
 
+NTupleSvc().Output = ["MyTuples DATAFILE='test.root' OPT='NEW' TYP='ROOT'"]
+
 from Configurables import k4DataSvc
 dsvc = k4DataSvc("EventDataSvc")
 
@@ -160,6 +164,8 @@ digiFTD.UsePlanarTag = True
 from Configurables import DCHDigiAlg
 digiDC = DCHDigiAlg("DCHDigi")
 digiDC.DigiDCHitCollection = dchitname
+# TODO: DCHDigiAlg need fixed, only WriteAna = True can run
+digiDC.WriteAna = True
 #digiDC.OutputLevel = DEBUG
 
 # two strip tracker hits -> one space point
diff --git a/Detector/DetCRD/scripts/Standalone-Sim-RotCrystal.py b/Detector/DetCRD/scripts/Standalone-Sim-RotCrystal.py
index 1386affd7623cda211e7d1d8f983fa749b26b9f3..c2d88fdebb76f8b3a70d029979009f2bc2212365 100644
--- a/Detector/DetCRD/scripts/Standalone-Sim-RotCrystal.py
+++ b/Detector/DetCRD/scripts/Standalone-Sim-RotCrystal.py
@@ -1,4 +1,6 @@
 #!/usr/bin/env python
+import os
+
 from Gaudi.Configuration import *
 
 from Configurables import k4DataSvc