diff --git a/.github/workflows/ci.sh b/.github/workflows/ci.sh
index 20296ceb..ab0228b0 100644
--- a/.github/workflows/ci.sh
+++ b/.github/workflows/ci.sh
@@ -37,7 +37,8 @@ if [ "${NO_RUN}" != "1" ] && [ "${NO_RUN}" != "true" ]; then
     fi
 
     if [ "${TARGET}" != "aarch64-unknown-linux-gnu" ] && [ "${TARGET}" != "armv7-unknown-linux-gnueabihf" ] &&
-        [ "${TARGET}" != "riscv64gc-unknown-linux-gnu" ] && [ "${TARGET}" != "s390x-unknown-linux-gnu" ]; then
+        [ "${TARGET}" != "riscv64gc-unknown-linux-gnu" ] && [ "${TARGET}" != "s390x-unknown-linux-gnu" ] &&
+        [ "${TARGET}" != "loongarch64-unknown-linux-gnu" ]; then
         # enable uring+legacy driver
         "${CARGO}" test --target "${TARGET}"
         "${CARGO}" test --target "${TARGET}" --release
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3b83afe7..8be6e28c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -66,8 +66,8 @@ jobs:
           armv7-unknown-linux-gnueabihf,
           riscv64gc-unknown-linux-gnu, 
           s390x-unknown-linux-gnu,
+          loongarch64-unknown-linux-gnu,
 #          mips64-unknown-linux-muslabi64,
-#          loongarch64-unknown-linux-gnu,
 
           x86_64-apple-darwin,
           aarch64-apple-darwin,
@@ -92,9 +92,9 @@ jobs:
             os: ubuntu-latest
           - target: s390x-unknown-linux-gnu
             os: ubuntu-latest
+          - target: loongarch64-unknown-linux-gnu
+            os: ubuntu-latest
 #          - target: mips64-unknown-linux-muslabi64
-#            os: ubuntu-latest
-#          - target: loongarch64-unknown-linux-gnu
 #            os: ubuntu-latest
 
           - target: x86_64-apple-darwin
diff --git a/deny.toml b/deny.toml
index 959825f4..15264ad4 100644
--- a/deny.toml
+++ b/deny.toml
@@ -6,7 +6,7 @@ allow = [
   "Zlib",
   "BSD-3-Clause",
   "Unlicense",
-  "Unicode-DFS-2016",
+  "Unicode-3.0",
 ]
 confidence-threshold = 0.95
 copyleft = "deny"
diff --git a/monoio/Cargo.toml b/monoio/Cargo.toml
index 29390fb2..e8b261af 100644
--- a/monoio/Cargo.toml
+++ b/monoio/Cargo.toml
@@ -49,7 +49,7 @@ windows-sys = { version = "0.48.0", features = [
 
 # unix dependencies
 [target.'cfg(unix)'.dependencies]
-nix = { version = "0.26", optional = true }
+nix = { version = "0.29", features = ["sched", "ucontext", "process"], optional = true }
 
 [target.'cfg(target_os = "linux")'.dependencies]
 io-uring = { version = "0.6", optional = true }
diff --git a/monoio/src/fs/metadata/mod.rs b/monoio/src/fs/metadata/mod.rs
index 34b100e5..add23572 100644
--- a/monoio/src/fs/metadata/mod.rs
+++ b/monoio/src/fs/metadata/mod.rs
@@ -343,9 +343,11 @@ impl MetadataExt for Metadata {
         self.0.stat.st_nlink.into()
     }
 
+    /// longarch64 need the `into` convert.
+    #[allow(clippy::useless_conversion)]
     #[cfg(not(any(target_arch = "aarch64", target_arch = "riscv64")))]
     fn nlink(&self) -> u64 {
-        self.0.stat.st_nlink
+        self.0.stat.st_nlink.into()
     }
 
     fn uid(&self) -> u32 {
diff --git a/monoio/src/time/driver/wheel/level.rs b/monoio/src/time/driver/wheel/level.rs
index 3d53aec1..fcc5f51b 100644
--- a/monoio/src/time/driver/wheel/level.rs
+++ b/monoio/src/time/driver/wheel/level.rs
@@ -135,10 +135,7 @@ impl Level {
     pub(crate) fn next_expiration(&self, now: u64) -> Option<Expiration> {
         // Use the `occupied` bit field to get the index of the next slot that
         // needs to be processed.
-        let slot = match self.next_occupied_slot(now) {
-            Some(slot) => slot,
-            None => return None,
-        };
+        let slot = self.next_occupied_slot(now)?;
 
         // From the slot index, calculate the `Instant` at which it needs to be
         // processed. This value *must* be in the future with respect to `now`.