diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index d784298f..1037d451 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -23,7 +23,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: dtolnay/rust-toolchain@stable
         with:
-          toolchain: 1.71.1
+          toolchain: 1.92.0
       - if: matrix.os == 'windows-latest'
         name: Windows Dependencies
         shell: pwsh
@@ -44,7 +44,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: dtolnay/rust-toolchain@stable
         with:
-          toolchain: 1.71.1
+          toolchain: 1.92.0
       - name: Integration_Test
         run: make integration
 
@@ -57,7 +57,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: dtolnay/rust-toolchain@stable
         with:
-          toolchain: 1.71.1
+          toolchain: 1.92.0
       - name: Linters
         run: |
           cargo fmt --version || rustup component add rustfmt
@@ -78,8 +78,9 @@ jobs:
       - uses: actions/checkout@v3
       - uses: dtolnay/rust-toolchain@stable
         with:
-          toolchain: 1.71.1
-      - uses: EmbarkStudios/cargo-deny-action@v1
+          toolchain: 1.92.0
+      - name: cargo-deny
+        uses: EmbarkStudios/cargo-deny-action@v2
         with:
           command: check ${{ matrix.checks }}
 
diff --git a/Makefile b/Makefile
index 5bd9e248..cc8e15f0 100644
--- a/Makefile
+++ b/Makefile
@@ -17,7 +17,7 @@ ci: fmt clippy test security-audit check-crates check-licenses
 	git diff --exit-code Cargo.lock
 
 integration:
-	bash devtools/ci/integration.sh v0.203.0 $(ARGS)
+	bash devtools/ci/integration.sh v0.204.0 $(ARGS)
 
 integration-spec:
 	@if [ -z "$(SPEC)" ]; then \
@@ -25,7 +25,7 @@ integration-spec:
 		echo "Example: make integration-spec SPEC=deploy_type_id"; \
 		exit 1; \
 	fi
-	bash devtools/ci/integration.sh v0.203.0 --spec=$(SPEC)
+	bash devtools/ci/integration.sh v0.204.0 --spec=$(SPEC)
 
 prod: ## Build binary with release profile.
 	cargo build --locked --release
diff --git a/rust-toolchain b/rust-toolchain
index f288d111..7f229af9 100644
--- a/rust-toolchain
+++ b/rust-toolchain
@@ -1 +1 @@
-1.85.0
+1.92.0
diff --git a/src/main.rs b/src/main.rs
index 4ae6346f..8344282c 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -112,12 +112,8 @@ async fn main() -> Result<(), io::Error> {
     if let Some(format) = matches.value_of("output-format") {
         output_format = OutputFormat::from_str(format).unwrap();
     }
-    let mut key_store = get_key_store(ckb_cli_dir.clone()).map_err(|err| {
-        io::Error::new(
-            io::ErrorKind::Other,
-            format!("Open file based key store error: {}", err),
-        )
-    })?;
+    let mut key_store = get_key_store(ckb_cli_dir.clone())
+        .map_err(|err| io::Error::other(format!("Open file based key store error: {}", err)))?;
     let mut plugin_mgr = PluginManager::init(&ckb_cli_dir, ckb_url).unwrap();
     let result = match matches.subcommand() {
         ("rpc", Some(sub_matches)) => match sub_matches.subcommand() {
diff --git a/src/utils/arg_parser.rs b/src/utils/arg_parser.rs
index 66c69339..5f76f24a 100644
--- a/src/utils/arg_parser.rs
+++ b/src/utils/arg_parser.rs
@@ -158,7 +158,7 @@ impl ArgParser<Vec<u8>> for HexParser {
         if input.starts_with("0x") || input.starts_with("0X") {
             input = &input[2..];
         }
-        if input.len() % 2 != 0 {
+        if !input.len().is_multiple_of(2) {
             return Err(format!("Invalid hex string lenth: {}", input.len()));
         }
         let mut bytes = vec![0u8; input.len() / 2];
@@ -515,6 +515,7 @@ impl ArgParser<(Address, u128)> for UdtTargetParser {
     }
 }
 
+#[allow(dead_code)]
 pub struct ScriptIdParser;
 
 impl ArgParser<ScriptId> for ScriptIdParser {
diff --git a/src/utils/config.rs b/src/utils/config.rs
index 88562866..d124c1ed 100644
--- a/src/utils/config.rs
+++ b/src/utils/config.rs
@@ -48,7 +48,7 @@ impl GlobalConfig {
         self
     }
 
-    pub fn get(&self, key: Option<&str>) -> KV {
+    pub fn get(&self, key: Option<&str>) -> KV<'_> {
         match key {
             Some(key) => {
                 let mut parts_iter = key.split('.');
diff --git a/src/utils/mock_tx_helper.rs b/src/utils/mock_tx_helper.rs
index 4dcf2ca4..93e66fc6 100644
--- a/src/utils/mock_tx_helper.rs
+++ b/src/utils/mock_tx_helper.rs
@@ -266,7 +266,6 @@ impl<'a> MockTransactionHelper<'a> {
             witnesses[init_witness_idx] = init_witness.as_bytes().pack();
             rpc_tx.witnesses = witnesses
                 .iter()
-                .cloned()
                 .map(|witness| rpc_types::JsonBytes::from_bytes(witness.raw_data()))
                 .collect();
             let sig =
diff --git a/src/utils/rpc/types.rs b/src/utils/rpc/types.rs
index 6f2d4071..6fb59c37 100644
--- a/src/utils/rpc/types.rs
+++ b/src/utils/rpc/types.rs
@@ -359,6 +359,7 @@ impl From<rpc_types::TransactionView> for TransactionView {
 
 /// The enum `Either` with variants `Left` and `Right` is a general purpose
 /// sum type with two cases.
+#[allow(dead_code)]
 #[derive(Clone, Serialize, Deserialize, PartialEq, Eq, Hash, Debug)]
 #[serde(untagged)]
 pub enum Either<L, R> {
@@ -374,6 +375,7 @@ pub enum Either<L, R> {
 ///
 /// `ResponseFormat<BlockView>` returns the block in its Json format or molecule serialized
 /// Hex format.
+#[allow(dead_code)]
 #[derive(Clone, Serialize, Deserialize, PartialEq, Eq, Hash, Debug)]
 #[serde(transparent)]
 pub struct ResponseFormat<V> {
@@ -458,6 +460,7 @@ impl TryFrom<rpc_types::TransactionWithStatusResponse> for PackedTransactionWith
 }
 
 /// The JSON view of a transaction as well as its status.
+#[allow(dead_code)]
 #[derive(Clone, Serialize, Deserialize, PartialEq, Eq, Hash, Debug)]
 pub struct TransactionWithStatusResponse {
     /// The transaction.