diff --git a/Makefile b/Makefile
index 2a52fab3..aef0ad45 100644
--- a/Makefile
+++ b/Makefile
@@ -17,7 +17,7 @@ generate:
 check: generate
 	cargo check --all --all-targets --features "${ALL_FEATURES}"
 	cargo fmt -- --check
-	cargo clippy --fix --allow-dirty --all-targets --features "${ALL_FEATURES}" -- -D clippy::all
+	cargo clippy --all-targets --features "${ALL_FEATURES}" -- -D clippy::all
 
 unit-test: generate
 	cargo nextest run --all --no-default-features
diff --git a/src/proto.rs b/src/proto.rs
index 30f699f9..c86a819a 100644
--- a/src/proto.rs
+++ b/src/proto.rs
@@ -5,6 +5,7 @@
 
 pub use protos::*;
 
+#[allow(clippy::doc_lazy_continuation)]
 mod protos {
     include!("generated/mod.rs");
 }
diff --git a/src/raw/client.rs b/src/raw/client.rs
index d535cf5c..e5a996ab 100644
--- a/src/raw/client.rs
+++ b/src/raw/client.rs
@@ -806,16 +806,16 @@ impl<PdC: PdClient> Client<PdC> {
     ) -> Result<(Option<RawScanResponse>, Key)> {
         let start_key = scan_args.start_key;
 
-        let region = self.rpc.clone().region_for_key(&start_key).await?;
-        let store = self.rpc.clone().store_for_id(region.id()).await?;
-        let request = new_raw_scan_request(
-            scan_args.range.clone(),
-            scan_args.limit,
-            scan_args.key_only,
-            scan_args.reverse,
-            self.cf.clone(),
-        );
         loop {
+            let region = self.rpc.clone().region_for_key(&start_key).await?;
+            let store = self.rpc.clone().store_for_id(region.id()).await?;
+            let request = new_raw_scan_request(
+                scan_args.range.clone(),
+                scan_args.limit,
+                scan_args.key_only,
+                scan_args.reverse,
+                self.cf.clone(),
+            );
             let resp = self.do_store_scan(store.clone(), request.clone()).await;
             return match resp {
                 Ok(mut r) => {
diff --git a/src/transaction/client.rs b/src/transaction/client.rs
index 16d5c4f6..f3ea884c 100644
--- a/src/transaction/client.rs
+++ b/src/transaction/client.rs
@@ -42,7 +42,7 @@ const SCAN_LOCK_BATCH_SIZE: u32 = 1024;
 /// - `gc`: trigger a GC process which clears stale data in the cluster.
 /// - `current_timestamp`: get the current `Timestamp` from PD.
 /// - `snapshot`: get a [`Snapshot`] of the database at a specified timestamp.
-/// A `Snapshot` is a read-only transaction.
+///    A `Snapshot` is a read-only transaction.
 ///
 /// The returned results of transactional requests are [`Future`](std::future::Future)s that must be
 /// awaited to execute.
diff --git a/src/transaction/requests.rs b/src/transaction/requests.rs
index 231c9e5a..6a5538d9 100644
--- a/src/transaction/requests.rs
+++ b/src/transaction/requests.rs
@@ -904,7 +904,6 @@ impl Merge<kvrpcpb::UnsafeDestroyRangeResponse> for Collect {
 }
 
 #[cfg(test)]
-#[cfg_attr(feature = "protobuf-codec", allow(clippy::useless_conversion))]
 mod tests {
     use crate::common::Error::PessimisticLockError;
     use crate::common::Error::ResolveLockError;