diff --git a/Detector/DetCRD/compact/CRD_common_v01/DC_Simple_v01_01.xml b/Detector/DetCRD/compact/CRD_common_v01/DC_Simple_v01_01.xml
index d381120da345ce343591f4734f886d1c149e65ce..ca4d0d06dc75e057506bfd6e39e49d345557e83c 100644
--- a/Detector/DetCRD/compact/CRD_common_v01/DC_Simple_v01_01.xml
+++ b/Detector/DetCRD/compact/CRD_common_v01/DC_Simple_v01_01.xml
@@ -19,9 +19,8 @@
     <constant name="world_z" value="world_size"/>
 
     <!-- SDT -->
-    <constant name="DetID_DC"  value="7"/>
-    <constant name="SDT_radius_min" value="Tracker_inner_radius"/>
-    <constant name="SDT_radius_max" value="Tracker_outer_radius"/>
+    <constant name="SDT_radius_min" value="799.78*mm"/>
+    <constant name="SDT_radius_max" value="1803*mm"/>
 
     <constant name="SDT_half_length" value="MainTracker_half_length"/>
     <constant name="DC_length" value="DC_half_length*2"/>
diff --git a/Detector/DetCRD/compact/CRD_o1_v01/CRD_Dimensions_v01_01.xml b/Detector/DetCRD/compact/CRD_o1_v01/CRD_Dimensions_v01_01.xml
index af995705a7fe56ad216a9f6a5cfa81f8d5b838f1..2be7bf353591b28e05c1f37c8dde0f8caae25475 100644
--- a/Detector/DetCRD/compact/CRD_o1_v01/CRD_Dimensions_v01_01.xml
+++ b/Detector/DetCRD/compact/CRD_o1_v01/CRD_Dimensions_v01_01.xml
@@ -5,7 +5,7 @@
 
   <info name="CRDDimensions"
        title="master file with includes and world dimension"
-       author="C.D.Fu, "
+       author="C.D.Fu, Mengyao Liu"
        url="no"
        status="development"
        version="1.0">
@@ -96,12 +96,11 @@
 
     <!-- Parameters of single drift chamber  -->
     <constant name="DC_chamber_layer_rbegin" value="800*mm"/>
-    <constant name="DC_chamber_layer_rend" value="1720*mm"/>
+    <constant name="DC_chamber_layer_rend" value="1800*mm"/>
     <constant name="DC_chamber_radius_min" value="DC_chamber_layer_rbegin-DC_safe_distance"/>
     <constant name="DC_chamber_radius_max" value="DC_chamber_layer_rend+DC_safe_distance"/>
-    <constant name="Tracker_half_length"  value="DC_half_length" />
-    <constant name="Tracker_inner_radius" value="799.78*mm"/>
-    <constant name="Tracker_outer_radius" value="1723*mm"/>
+    <constant name="DC_inner_radius" value="799.78*mm"/>
+    <constant name="DC_outer_radius" value="1803*mm"/>
 
     <constant name="SIT1_inner_radius"   value="152.90*mm"/>
     <constant name="SIT1_half_length"    value="368.00*mm"/>
diff --git a/Detector/DetCRD/compact/CRD_o1_v02/CRD_Dimensions_v01_02.xml b/Detector/DetCRD/compact/CRD_o1_v02/CRD_Dimensions_v01_02.xml
index 59f64c500208a49c1fa6444bf8ce63360b08b547..ca49e6ca4666085ae35f13b2c2c3ea5b4166f812 100644
--- a/Detector/DetCRD/compact/CRD_o1_v02/CRD_Dimensions_v01_02.xml
+++ b/Detector/DetCRD/compact/CRD_o1_v02/CRD_Dimensions_v01_02.xml
@@ -5,7 +5,7 @@
 
   <info name="CRDDimensions"
        title="master file with includes and world dimension"
-       author="C.D.Fu, "
+       author="C.D.Fu, Mengyao Liu"
        url="no"
        status="development"
        version="1.0">
@@ -96,12 +96,11 @@
 
     <!-- Parameters of single drift chamber  -->
     <constant name="DC_chamber_layer_rbegin" value="800*mm"/>
-    <constant name="DC_chamber_layer_rend" value="1720*mm"/>
+    <constant name="DC_chamber_layer_rend" value="1800*mm"/>
     <constant name="DC_chamber_radius_min" value="DC_chamber_layer_rbegin-DC_safe_distance"/>
     <constant name="DC_chamber_radius_max" value="DC_chamber_layer_rend+DC_safe_distance"/>
-    <constant name="Tracker_half_length"  value="DC_half_length" />
     <constant name="Tracker_inner_radius" value="799.78*mm"/>
-    <constant name="Tracker_outer_radius" value="1723*mm"/>
+    <constant name="Tracker_outer_radius" value="1803*mm"/>
 
 
     <constant name="SIT1_inner_radius"   value="140*mm"/>
diff --git a/Detector/DetDriftChamber/compact/det.xml b/Detector/DetDriftChamber/compact/det.xml
index 73f1c278e96d650b4721f35e1312f626d91b02d8..58bd2dd9c3b16c8409d222fcdc28f5ca57d8fe09 100644
--- a/Detector/DetDriftChamber/compact/det.xml
+++ b/Detector/DetDriftChamber/compact/det.xml
@@ -27,7 +27,7 @@
     <!-- SDT -->
     <constant name="DetID_DC"  value="7"/>
     <constant name="SDT_radius_min" value="799.78*mm"/>
-    <constant name="SDT_radius_max" value="1723*mm"/>
+    <constant name="SDT_radius_max" value="1803*mm"/>
 
     <constant name="DC_Endcap_dz" value="0.1*mm"/>
 
@@ -42,7 +42,7 @@
     <constant name="SDT_outer_wall_thickness" value="2.8*mm"/>
 
     <constant name="DC_chamber_layer_rbegin" value="800*mm"/>
-    <constant name="DC_chamber_layer_rend" value="1720*mm"/>
+    <constant name="DC_chamber_layer_rend" value="1800*mm"/>
 
     <constant name="DC_chamber_radius_min" value="DC_chamber_layer_rbegin-DC_safe_distance"/>
     <constant name="DC_chamber_radius_max" value="DC_chamber_layer_rend+DC_safe_distance"/>