diff --git a/.gitignore b/.gitignore
index 21f015e88..ce84e704d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,6 +12,7 @@
 /lotuspond/front/build
 /cmd/lotus-townhall/townhall/node_modules
 /cmd/lotus-townhall/townhall/build
+extern/filecoin-ffi/rust/target
 **/*.h
 **/*.a
 **/*.pc
diff --git a/node/modules/lp2p/host.go b/node/modules/lp2p/host.go
index 6564b62fe..ccb579763 100644
--- a/node/modules/lp2p/host.go
+++ b/node/modules/lp2p/host.go
@@ -42,7 +42,12 @@ func Host(mctx helpers.MetricsCtx, lc fx.Lifecycle, params P2PHostIn) (RawHost,
 		return nil, fmt.Errorf("missing private key for node ID: %s", params.ID.Pretty())
 	}
 
-	opts := []libp2p.Option{libp2p.Identity(pkey), libp2p.Peerstore(params.Peerstore), libp2p.NoListenAddrs, libp2p.UserAgent("lotus-" + build.UserVersion)}
+	opts := []libp2p.Option{
+		libp2p.Identity(pkey),
+		libp2p.Peerstore(params.Peerstore),
+		libp2p.NoListenAddrs,
+		libp2p.Ping(true),
+		libp2p.UserAgent("lotus-" + build.UserVersion)}
 	for _, o := range params.Opts {
 		opts = append(opts, o...)
 	}