diff --git a/setup.env b/setup.env
index 65dd3c234..c0ecae879 100644
--- a/setup.env
+++ b/setup.env
@@ -21,7 +21,7 @@ export PLUGIN_SW=OFF
 
 ## If the value is OFF, Spider does not perform ID transformation.
 # default: ON
-export IDTransformMode=ON
+export ID_TRANSFORM_MODE=ON
 
 # root path of cb-log
 export CBLOG_ROOT=$CBSPIDER_ROOT