diff --git a/src/dragonball/Cargo.toml b/src/dragonball/Cargo.toml
index 3b45ca4dc1..88902ebd51 100644
--- a/src/dragonball/Cargo.toml
+++ b/src/dragonball/Cargo.toml
@@ -50,7 +50,7 @@ vm-memory = { version = "0.10.0", features = ["backend-mmap"] }
 crossbeam-channel = "0.5.6"
 fuse-backend-rs = "0.10.5"
 vfio-bindings = { version = "0.3.0", optional = true }
-vfio-ioctls =  { version = "0.1.0", optional = true }
+vfio-ioctls = { version = "0.1.0", optional = true }
 
 [dev-dependencies]
 slog-async = "2.7.0"
@@ -81,3 +81,8 @@ vhost-user-fs = ["dbs-virtio-devices/vhost-user-fs"]
 vhost-user-net = ["dbs-virtio-devices/vhost-user-net"]
 vhost-user-blk = ["dbs-virtio-devices/vhost-user-blk"]
 host-device = ["dep:vfio-bindings", "dep:vfio-ioctls", "dep:dbs-pci"]
+
+[lints.rust]
+unexpected_cfgs = { level = "warn", check-cfg = [
+    'cfg(feature, values("test-mock"))',
+] }
diff --git a/src/dragonball/src/dbs_pci/Cargo.toml b/src/dragonball/src/dbs_pci/Cargo.toml
index 7dfc8c9344..70aa2a0be1 100644
--- a/src/dragonball/src/dbs_pci/Cargo.toml
+++ b/src/dragonball/src/dbs_pci/Cargo.toml
@@ -9,14 +9,18 @@ homepage = "https://github.com/openanolis/dragonball-sandbox"
 repository = "https://github.com/openanolis/dragonball-sandbox/tree/main/crates/dbs-pci"
 keywords = ["dragonball", "secure-sandbox", "devices", "pci"]
 readme = "README.md"
- 
+
 [dependencies]
 log = "0.4.14"
 thiserror = "1"
 dbs-allocator = { path = "../dbs_allocator" }
 dbs-boot = { path = "../dbs_boot" }
 dbs-device = { path = "../dbs_device" }
-dbs-interrupt = { path = "../dbs_interrupt", features = ["kvm-irq", "kvm-legacy-irq", "kvm-msi-irq"] }
+dbs-interrupt = { path = "../dbs_interrupt", features = [
+    "kvm-irq",
+    "kvm-legacy-irq",
+    "kvm-msi-irq",
+] }
 downcast-rs = "1.2.0"
 byteorder = "1.4.3"
 vm-memory = "0.10.0"
@@ -28,4 +32,9 @@ libc = "0.2.39"
 
 [dev-dependencies]
 dbs-arch = { path = "../dbs_arch" }
-kvm-ioctls = "0.12.0"
\ No newline at end of file
+kvm-ioctls = "0.12.0"
+
+[lints.rust]
+unexpected_cfgs = { level = "warn", check-cfg = [
+    'cfg(feature, values("test-mock"))',
+] }