diff --git a/coupledL2 b/coupledL2
index d66cd85aca..28fe702e8c 160000
--- a/coupledL2
+++ b/coupledL2
@@ -1 +1 @@
-Subproject commit d66cd85aca7164d35d409c230e2f48b857067687
+Subproject commit 28fe702e8c3c2ff4447230c1082731c05b4c4e60
diff --git a/src/main/scala/top/Configs.scala b/src/main/scala/top/Configs.scala
index 4fd63c70f1..1dce2c2fc7 100644
--- a/src/main/scala/top/Configs.scala
+++ b/src/main/scala/top/Configs.scala
@@ -296,6 +296,10 @@ class WithNKBL2
         )),
         reqField = Seq(utility.ReqSourceField()),
         echoField = Seq(huancun.DirtyField()),
+        tagECC = Some("secded"),
+        dataECC = Some("secded"),
+        enableTagECC = true,
+        enableDataECC = true,
         prefetch = Seq(BOPParameters()) ++
           (if (tp) Seq(TPParameters()) else Nil) ++
           (if (p.prefetcher.nonEmpty) Seq(PrefetchReceiverParams()) else Nil),
diff --git a/src/main/scala/xiangshan/L2Top.scala b/src/main/scala/xiangshan/L2Top.scala
index 6b037aaacf..a93e98e32e 100644
--- a/src/main/scala/xiangshan/L2Top.scala
+++ b/src/main/scala/xiangshan/L2Top.scala
@@ -177,7 +177,8 @@ class L2TopInlined()(implicit p: Parameters) extends LazyModule
 
     val resetDelayN = Module(new DelayN(UInt(PAddrBits.W), 5))
 
-    beu.module.io.errors <> io.beu_errors
+    beu.module.io.errors.icache := io.beu_errors.icache
+    beu.module.io.errors.dcache := io.beu_errors.dcache
     resetDelayN.io.in := io.reset_vector.fromTile
     io.reset_vector.toCore := resetDelayN.io.out
     io.hartId.toCore := io.hartId.fromTile
@@ -240,6 +241,9 @@ class L2TopInlined()(implicit p: Parameters) extends LazyModule
           io.chi.get <> l2.io_chi
         case l2cache: TL2TLCoupledL2 =>
       }
+
+      beu.module.io.errors.l2.ecc_error.valid := l2.io.error.valid
+      beu.module.io.errors.l2.ecc_error.bits := l2.io.error.address
     } else {
       io.l2_hint := 0.U.asTypeOf(io.l2_hint)
       io.debugTopDown <> DontCare
@@ -249,6 +253,8 @@ class L2TopInlined()(implicit p: Parameters) extends LazyModule
       io.l2_tlb_req.req_kill := DontCare
       io.l2_tlb_req.resp.ready := true.B
       io.perfEvents := DontCare
+
+      beu.module.io.errors.l2 := 0.U.asTypeOf(beu.module.io.errors.l2)
     }
   }