diff --git a/Cargo.lock b/Cargo.lock
index a0ae88f..02954ad 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1329,6 +1329,7 @@ dependencies = [
  "cumulus-pallet-aura-ext",
  "cumulus-pallet-dmp-queue",
  "cumulus-pallet-parachain-system",
+ "cumulus-pallet-solo-to-para",
  "cumulus-pallet-xcm",
  "cumulus-pallet-xcmp-queue",
  "cumulus-primitives-core",
@@ -1888,6 +1889,23 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "cumulus-pallet-solo-to-para"
+version = "0.1.0"
+source = "git+https://github.com/paritytech/cumulus?branch=polkadot-v0.9.27#b86cd207fc77af888f223c10363ae4d18a4b63b4"
+dependencies = [
+ "cumulus-pallet-parachain-system",
+ "cumulus-primitives-core",
+ "frame-support",
+ "frame-system",
+ "pallet-sudo",
+ "parity-scale-codec",
+ "polkadot-primitives",
+ "scale-info",
+ "sp-runtime",
+ "sp-std",
+]
+
 [[package]]
 name = "cumulus-pallet-xcm"
 version = "0.1.0"
@@ -2254,6 +2272,7 @@ dependencies = [
  "cumulus-pallet-aura-ext",
  "cumulus-pallet-dmp-queue",
  "cumulus-pallet-parachain-system",
+ "cumulus-pallet-solo-to-para",
  "cumulus-pallet-xcm",
  "cumulus-pallet-xcmp-queue",
  "cumulus-primitives-core",
@@ -6517,6 +6536,7 @@ dependencies = [
  "cumulus-pallet-aura-ext",
  "cumulus-pallet-dmp-queue",
  "cumulus-pallet-parachain-system",
+ "cumulus-pallet-solo-to-para",
  "cumulus-pallet-xcm",
  "cumulus-pallet-xcmp-queue",
  "cumulus-primitives-core",
@@ -11689,7 +11709,7 @@ version = "1.6.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "97fee6b57c6a41524a810daee9286c02d7752c4253064d0b05472833a438f675"
 dependencies = [
- "cfg-if 0.1.10",
+ "cfg-if 1.0.0",
  "digest 0.10.5",
  "rand 0.8.5",
  "static_assertions",
diff --git a/runtime/crab-parachain/Cargo.toml b/runtime/crab-parachain/Cargo.toml
index 56a9097..1367ea5 100644
--- a/runtime/crab-parachain/Cargo.toml
+++ b/runtime/crab-parachain/Cargo.toml
@@ -20,6 +20,7 @@ smallvec    = { version = "1.9" }
 cumulus-pallet-aura-ext         = { default-features = false, git = "https://github.com/paritytech/cumulus", branch = "polkadot-v0.9.27" }
 cumulus-pallet-dmp-queue        = { default-features = false, git = "https://github.com/paritytech/cumulus", branch = "polkadot-v0.9.27" }
 cumulus-pallet-parachain-system = { default-features = false, git = "https://github.com/paritytech/cumulus", branch = "polkadot-v0.9.27" }
+cumulus-pallet-solo-to-para     = { default-features = false, git = "https://github.com/paritytech/cumulus", branch = "polkadot-v0.9.27"}
 cumulus-pallet-xcm              = { default-features = false, git = "https://github.com/paritytech/cumulus", branch = "polkadot-v0.9.27" }
 cumulus-pallet-xcmp-queue       = { default-features = false, git = "https://github.com/paritytech/cumulus", branch = "polkadot-v0.9.27" }
 cumulus-primitives-core         = { default-features = false, git = "https://github.com/paritytech/cumulus", branch = "polkadot-v0.9.27" }
@@ -94,6 +95,7 @@ std = [
 	"cumulus-pallet-aura-ext/std",
 	"cumulus-pallet-dmp-queue/std",
 	"cumulus-pallet-parachain-system/std",
+	"cumulus-pallet-solo-to-para/std",
 	"cumulus-pallet-xcm/std",
 	"cumulus-pallet-xcmp-queue/std",
 	"cumulus-primitives-core/std",
diff --git a/runtime/crab-parachain/src/lib.rs b/runtime/crab-parachain/src/lib.rs
index 2b4891b..5215044 100644
--- a/runtime/crab-parachain/src/lib.rs
+++ b/runtime/crab-parachain/src/lib.rs
@@ -176,6 +176,7 @@ frame_support::construct_runtime! {
 		FromCrabIssuing: dp_common_runtime::helixbridge::{Pallet, Call, Storage, Event<T>} = 24,
 
 		MessageRouter: dp_common_runtime::message_router::{Pallet, Call, Storage, Event<T>} = 26,
+		SoloToPara: cumulus_pallet_solo_to_para::{Pallet, Call, Storage, Event} = 27,
 	}
 }
 
diff --git a/runtime/crab-parachain/src/pallets/mod.rs b/runtime/crab-parachain/src/pallets/mod.rs
index d222740..5592888 100644
--- a/runtime/crab-parachain/src/pallets/mod.rs
+++ b/runtime/crab-parachain/src/pallets/mod.rs
@@ -75,3 +75,6 @@ pub use helixbridge::*;
 
 pub mod message_router;
 pub use message_router::*;
+
+pub mod solo_to_para;
+pub use solo_to_para::*;
diff --git a/runtime/crab-parachain/src/pallets/parachain_system.rs b/runtime/crab-parachain/src/pallets/parachain_system.rs
index 2b23a55..9314ecb 100644
--- a/runtime/crab-parachain/src/pallets/parachain_system.rs
+++ b/runtime/crab-parachain/src/pallets/parachain_system.rs
@@ -14,7 +14,7 @@ impl Config for Runtime {
 	type CheckAssociatedRelayNumber = RelayNumberStrictlyIncreases;
 	type DmpMessageHandler = DmpQueue;
 	type Event = Event;
-	type OnSystemEvent = ();
+	type OnSystemEvent = cumulus_pallet_solo_to_para::Pallet<Runtime>;
 	type OutboundXcmpMessageSource = XcmpQueue;
 	type ReservedDmpWeight = ReservedDmpWeight;
 	type ReservedXcmpWeight = ReservedXcmpWeight;
diff --git a/runtime/crab-parachain/src/pallets/solo_to_para.rs b/runtime/crab-parachain/src/pallets/solo_to_para.rs
new file mode 100644
index 0000000..68b3fa1
--- /dev/null
+++ b/runtime/crab-parachain/src/pallets/solo_to_para.rs
@@ -0,0 +1,6 @@
+// --- darwinia-network ---
+use crate::*;
+
+impl cumulus_pallet_solo_to_para::Config for Runtime {
+	type Event = Event;
+}
diff --git a/runtime/darwinia-parachain/Cargo.toml b/runtime/darwinia-parachain/Cargo.toml
index 8fd4669..9637e16 100644
--- a/runtime/darwinia-parachain/Cargo.toml
+++ b/runtime/darwinia-parachain/Cargo.toml
@@ -20,6 +20,7 @@ smallvec    = { version = "1.9" }
 cumulus-pallet-aura-ext         = { default-features = false, git = "https://github.com/paritytech/cumulus", branch = "polkadot-v0.9.27" }
 cumulus-pallet-dmp-queue        = { default-features = false, git = "https://github.com/paritytech/cumulus", branch = "polkadot-v0.9.27" }
 cumulus-pallet-parachain-system = { default-features = false, git = "https://github.com/paritytech/cumulus", branch = "polkadot-v0.9.27" }
+cumulus-pallet-solo-to-para     = { default-features = false, git = "https://github.com/paritytech/cumulus", branch = "polkadot-v0.9.27"}
 cumulus-pallet-xcm              = { default-features = false, git = "https://github.com/paritytech/cumulus", branch = "polkadot-v0.9.27" }
 cumulus-pallet-xcmp-queue       = { default-features = false, git = "https://github.com/paritytech/cumulus", branch = "polkadot-v0.9.27" }
 cumulus-primitives-core         = { default-features = false, git = "https://github.com/paritytech/cumulus", branch = "polkadot-v0.9.27" }
@@ -91,6 +92,7 @@ std = [
 	"cumulus-pallet-aura-ext/std",
 	"cumulus-pallet-dmp-queue/std",
 	"cumulus-pallet-parachain-system/std",
+	"cumulus-pallet-solo-to-para/std",
 	"cumulus-pallet-xcm/std",
 	"cumulus-pallet-xcmp-queue/std",
 	"cumulus-primitives-core/std",
diff --git a/runtime/darwinia-parachain/src/lib.rs b/runtime/darwinia-parachain/src/lib.rs
index a262126..66323b5 100644
--- a/runtime/darwinia-parachain/src/lib.rs
+++ b/runtime/darwinia-parachain/src/lib.rs
@@ -171,7 +171,9 @@ frame_support::construct_runtime! {
 
 		DarwiniaFeeMarket: pallet_fee_market::<Instance1>::{Pallet, Call, Storage, Event<T>} = 23,
 		FromDarwiniaIssuing: dp_common_runtime::helixbridge::{Pallet, Call, Storage, Event<T>} = 24,
+
 		MessageRouter: dp_common_runtime::message_router::{Pallet, Call, Storage, Event<T>} = 26,
+		SoloToPara: cumulus_pallet_solo_to_para::{Pallet, Call, Storage, Event} = 27,
 	}
 }
 
diff --git a/runtime/darwinia-parachain/src/pallets/mod.rs b/runtime/darwinia-parachain/src/pallets/mod.rs
index d222740..5592888 100644
--- a/runtime/darwinia-parachain/src/pallets/mod.rs
+++ b/runtime/darwinia-parachain/src/pallets/mod.rs
@@ -75,3 +75,6 @@ pub use helixbridge::*;
 
 pub mod message_router;
 pub use message_router::*;
+
+pub mod solo_to_para;
+pub use solo_to_para::*;
diff --git a/runtime/darwinia-parachain/src/pallets/parachain_system.rs b/runtime/darwinia-parachain/src/pallets/parachain_system.rs
index 2b23a55..9314ecb 100644
--- a/runtime/darwinia-parachain/src/pallets/parachain_system.rs
+++ b/runtime/darwinia-parachain/src/pallets/parachain_system.rs
@@ -14,7 +14,7 @@ impl Config for Runtime {
 	type CheckAssociatedRelayNumber = RelayNumberStrictlyIncreases;
 	type DmpMessageHandler = DmpQueue;
 	type Event = Event;
-	type OnSystemEvent = ();
+	type OnSystemEvent = cumulus_pallet_solo_to_para::Pallet<Runtime>;
 	type OutboundXcmpMessageSource = XcmpQueue;
 	type ReservedDmpWeight = ReservedDmpWeight;
 	type ReservedXcmpWeight = ReservedXcmpWeight;
diff --git a/runtime/darwinia-parachain/src/pallets/solo_to_para.rs b/runtime/darwinia-parachain/src/pallets/solo_to_para.rs
new file mode 100644
index 0000000..68b3fa1
--- /dev/null
+++ b/runtime/darwinia-parachain/src/pallets/solo_to_para.rs
@@ -0,0 +1,6 @@
+// --- darwinia-network ---
+use crate::*;
+
+impl cumulus_pallet_solo_to_para::Config for Runtime {
+	type Event = Event;
+}
diff --git a/runtime/pangolin-parachain/Cargo.toml b/runtime/pangolin-parachain/Cargo.toml
index fe3c21b..b9c3445 100644
--- a/runtime/pangolin-parachain/Cargo.toml
+++ b/runtime/pangolin-parachain/Cargo.toml
@@ -20,6 +20,7 @@ smallvec    = { version = "1.9" }
 cumulus-pallet-aura-ext         = { default-features = false, git = "https://github.com/paritytech/cumulus", branch = "polkadot-v0.9.27" }
 cumulus-pallet-dmp-queue        = { default-features = false, git = "https://github.com/paritytech/cumulus", branch = "polkadot-v0.9.27" }
 cumulus-pallet-parachain-system = { default-features = false, git = "https://github.com/paritytech/cumulus", branch = "polkadot-v0.9.27" }
+cumulus-pallet-solo-to-para     = { default-features = false, git = "https://github.com/paritytech/cumulus", branch = "polkadot-v0.9.27"}
 cumulus-pallet-xcm              = { default-features = false, git = "https://github.com/paritytech/cumulus", branch = "polkadot-v0.9.27" }
 cumulus-pallet-xcmp-queue       = { default-features = false, git = "https://github.com/paritytech/cumulus", branch = "polkadot-v0.9.27" }
 cumulus-primitives-core         = { default-features = false, git = "https://github.com/paritytech/cumulus", branch = "polkadot-v0.9.27" }
@@ -95,6 +96,7 @@ std = [
 	"cumulus-pallet-aura-ext/std",
 	"cumulus-pallet-dmp-queue/std",
 	"cumulus-pallet-parachain-system/std",
+	"cumulus-pallet-solo-to-para/std",
 	"cumulus-pallet-xcm/std",
 	"cumulus-pallet-xcmp-queue/std",
 	"cumulus-primitives-core/std",
diff --git a/runtime/pangolin-parachain/src/lib.rs b/runtime/pangolin-parachain/src/lib.rs
index 68d7147..fda313f 100644
--- a/runtime/pangolin-parachain/src/lib.rs
+++ b/runtime/pangolin-parachain/src/lib.rs
@@ -188,6 +188,7 @@ frame_support::construct_runtime! {
 		FromPangolinIssuing: dp_common_runtime::helixbridge::{Pallet, Call, Storage, Event<T>} = 24,
 
 		MessageRouter: dp_common_runtime::message_router::{Pallet, Call, Storage, Event<T>} = 26,
+		SoloToPara: cumulus_pallet_solo_to_para::{Pallet, Call, Storage, Event} = 27,
 	}
 }
 
diff --git a/runtime/pangolin-parachain/src/pallets/mod.rs b/runtime/pangolin-parachain/src/pallets/mod.rs
index 20d10f3..f058663 100644
--- a/runtime/pangolin-parachain/src/pallets/mod.rs
+++ b/runtime/pangolin-parachain/src/pallets/mod.rs
@@ -75,3 +75,6 @@ pub use helixbridge::*;
 
 pub mod message_router;
 pub use message_router::*;
+
+pub mod solo_to_para;
+pub use solo_to_para::*;
diff --git a/runtime/pangolin-parachain/src/pallets/parachain_system.rs b/runtime/pangolin-parachain/src/pallets/parachain_system.rs
index 2b23a55..9314ecb 100644
--- a/runtime/pangolin-parachain/src/pallets/parachain_system.rs
+++ b/runtime/pangolin-parachain/src/pallets/parachain_system.rs
@@ -14,7 +14,7 @@ impl Config for Runtime {
 	type CheckAssociatedRelayNumber = RelayNumberStrictlyIncreases;
 	type DmpMessageHandler = DmpQueue;
 	type Event = Event;
-	type OnSystemEvent = ();
+	type OnSystemEvent = cumulus_pallet_solo_to_para::Pallet<Runtime>;
 	type OutboundXcmpMessageSource = XcmpQueue;
 	type ReservedDmpWeight = ReservedDmpWeight;
 	type ReservedXcmpWeight = ReservedXcmpWeight;
diff --git a/runtime/pangolin-parachain/src/pallets/solo_to_para.rs b/runtime/pangolin-parachain/src/pallets/solo_to_para.rs
new file mode 100644
index 0000000..68b3fa1
--- /dev/null
+++ b/runtime/pangolin-parachain/src/pallets/solo_to_para.rs
@@ -0,0 +1,6 @@
+// --- darwinia-network ---
+use crate::*;
+
+impl cumulus_pallet_solo_to_para::Config for Runtime {
+	type Event = Event;
+}