fixed mpw6V
diff --git a/openlane/user_proj_example/config.tcl b/openlane/user_proj_example/config.tcl
index a83ed31..b029ab3 100755
--- a/openlane/user_proj_example/config.tcl
+++ b/openlane/user_proj_example/config.tcl
@@ -66,7 +66,9 @@
# This is because this macro will be inserted in a top level (user_project_wrapper)
# where the PDN is planned on metal 5. So, to avoid having shorts between routes
# in this macro and the top level metal 5 stripes, we have to restrict routes to metal4.
-set ::env(GLB_RT_MAXLAYER) 5
+#set ::env(GLB_RT_MAXLAYER) 5
+set ::env(RT_MAX_LAYER) {met4} ;# fix mpw6
+
# You can draw more power domains if you need to
set ::env(VDD_NETS) [list {vccd1}]
