diff --git a/src/main/scala/xiangshan/frontend/FTB.scala b/src/main/scala/xiangshan/frontend/FTB.scala
index bfbe108dff..d5f138e9c6 100644
--- a/src/main/scala/xiangshan/frontend/FTB.scala
+++ b/src/main/scala/xiangshan/frontend/FTB.scala
@@ -809,7 +809,7 @@ class FTB(implicit p: Parameters) extends BasePredictor with FTBParams with BPUU
   val update = io.update.bits
 
   val u_meta  = update.meta.asTypeOf(new FTBMeta)
-  val u_valid = io.update.valid && !io.update.bits.old_entry
+  val u_valid = io.update.valid && !io.update.bits.old_entry && !s0_close_ftb_req
 
   val (_, delay2_pc)    = DelayNWithValid(update.pc, u_valid, 2)
   val (_, delay2_entry) = DelayNWithValid(update.ftb_entry, u_valid, 2)
@@ -870,6 +870,7 @@ class FTB(implicit p: Parameters) extends BasePredictor with FTBParams with BPUU
   XSPerfAccumulate("ftb_update_req", io.update.valid)
   XSPerfAccumulate("ftb_update_ignored", io.update.valid && io.update.bits.old_entry)
   XSPerfAccumulate("ftb_updated", u_valid)
+  XSPerfAccumulate("ftb_closing_update_counter", s0_close_ftb_req && u_valid)
 
   override val perfEvents = Seq(
     ("ftb_commit_hits            ", io.update.valid && u_meta.hit),