diff --git a/Detector/DetCEPCv4/compact/CepC_v4.xml b/Detector/DetCEPCv4/compact/CepC_v4.xml
index e79cadaaacf1d655295a6016560bcbc03f901bca..356e5bea0f1a29bc3112ebbc44e6232e5165351d 100644
--- a/Detector/DetCEPCv4/compact/CepC_v4.xml
+++ b/Detector/DetCEPCv4/compact/CepC_v4.xml
@@ -55,7 +55,7 @@
     </limitset>
   </limits>
   <include ref="display.xml"/>
-  <!--include ref="Beampipe_o1_v01_01.xml"/>
+  <include ref="Beampipe_o1_v01_01.xml"/>
   <include ref="vxd07.xml"/>
   <include ref="ftd_cepc.xml"/>
   <include ref="sit_simple_planar_sensors_01.xml"/>
@@ -63,7 +63,7 @@
   <include ref="set_simple_planar_sensors_01.xml"/>
   <include ref="SEcal05_siw_Barrel.xml"/>
   <include ref="SEcal05_siw_Endcaps.xml"/>
-  <include ref="SEcal05_siw_ECRing.xml"/-->
+  <include ref="SEcal05_siw_ECRing.xml"/>
   <include ref="SHcalRpc01_Barrel_01.xml"/>
   <include ref="SHcalRpc01_Endcaps_01.xml"/>
   <include ref="SHcalRpc01_EndcapRing_01.xml"/>