diff --git a/Cargo.toml b/Cargo.toml
index bb5f9253..dbbcdfe3 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,19 +12,23 @@ linkme = "0.3"
 axerrno = "0.1"
 memory_addr = "0.3"
 xmas-elf = "0.9"
+spin = "0.9"
+crate_interface = "0.1"
 bitflags = "2.6"
 
 kernel-elf-parser = "0.1.0"
 num_enum = { version = "0.7", default-features = false }
 syscalls = { version = "0.6", default-features = false }
 
+axfs = { git = "https://github.com/arceos-org/arceos.git", features = ["thread-local"] }
 axstd = { git = "https://github.com/arceos-org/arceos.git", features = ["paging"] }
 axhal = { git = "https://github.com/arceos-org/arceos.git", features = ["uspace"] }
 axmm = { git = "https://github.com/arceos-org/arceos.git" }
 axtask = { git = "https://github.com/arceos-org/arceos.git" }
 axsync = { git = "https://github.com/arceos-org/arceos.git" }
 axruntime = { git = "https://github.com/arceos-org/arceos.git", features = ["multitask"] }
-arceos_posix_api = { git = "https://github.com/arceos-org/arceos.git" }
+arceos_posix_api = { git = "https://github.com/arceos-org/arceos.git", features = ["uspace"] }
+axns = { git = "https://github.com/arceos-org/arceos.git", features = ["thread-local"] }
 
 [target.'cfg(target_arch = "x86_64")'.dependencies]
 x86 = "0.52"
diff --git a/apps/nimbos/test_cmd b/apps/nimbos/test_cmd
index 38e7fc6c..c76fd4fe 100644
--- a/apps/nimbos/test_cmd
+++ b/apps/nimbos/test_cmd
@@ -1 +1 @@
-test_one "LOG=off" "expect_off.out"
+test_one "LOG=info" "expect_off.out"
diff --git a/scripts/config.toml.temp b/scripts/config.toml.temp
index 9211c0ca..726cc465 100644
--- a/scripts/config.toml.temp
+++ b/scripts/config.toml.temp
@@ -6,3 +6,5 @@ axmm = { path = "%AX_ROOT%/modules/axmm" }
 axtask = { path = "%AX_ROOT%/modules/axtask" }
 axsync = { path = "%AX_ROOT%/modules/axsync" }
 axruntime = { path = "%AX_ROOT%/modules/axruntime" }
+axns = { path = "%AX_ROOT%/modules/axns" }
+axfs = { path = "%AX_ROOT%/modules/axfs" }
\ No newline at end of file
diff --git a/scripts/get_deps.sh b/scripts/get_deps.sh
index 92011146..2ced3f39 100755
--- a/scripts/get_deps.sh
+++ b/scripts/get_deps.sh
@@ -3,6 +3,6 @@
 AX_ROOT=.arceos
 
 test ! -d "$AX_ROOT" && echo "Cloning repositories ..." || true
-test ! -d "$AX_ROOT" && git clone https://github.com/arceos-org/arceos -b monolithic "$AX_ROOT" --depth=1 || true
+test ! -d "$AX_ROOT" && git clone https://github.com/Azure-stars/Starry -b monolithic "$AX_ROOT" --depth=1 || true
 
 $(dirname $0)/set_ax_root.sh $AX_ROOT
diff --git a/src/syscall_imp/fs/mod.rs b/src/syscall_imp/fs/mod.rs
index 3e925036..98b1e253 100644
--- a/src/syscall_imp/fs/mod.rs
+++ b/src/syscall_imp/fs/mod.rs
@@ -1,5 +1,7 @@
 mod ctl;
 mod io;
+mod path;
 
 pub(crate) use self::ctl::*;
 pub(crate) use self::io::*;
+pub(crate) use self::path::*;
diff --git a/src/syscall_imp/fs/path.rs b/src/syscall_imp/fs/path.rs
new file mode 100644
index 00000000..ce9e8597
--- /dev/null
+++ b/src/syscall_imp/fs/path.rs
@@ -0,0 +1,12 @@
+use core::ffi::c_char;
+
+use crate::syscall_body;
+use axerrno::LinuxError;
+
+pub(crate) fn sys_getcwd(buf: *mut c_char, size: usize) -> *mut c_char {
+    arceos_posix_api::sys_getcwd(buf, size)
+}
+
+pub(crate) fn sys_chdir(path: *const c_char) -> i32 {
+    arceos_posix_api::sys_chdir(path)
+}
diff --git a/src/task.rs b/src/task.rs
index 403dbacf..d4b5acb3 100644
--- a/src/task.rs
+++ b/src/task.rs
@@ -4,6 +4,7 @@ use alloc::sync::Arc;
 
 use axhal::arch::UspaceContext;
 use axmm::AddrSpace;
+use axns::{AxNamespace, AxNamespaceIf};
 use axsync::Mutex;
 use axtask::{AxTaskRef, TaskExtRef, TaskInner};
 
@@ -21,15 +22,18 @@ pub struct TaskExt {
     pub uctx: UspaceContext,
     /// The virtual memory address space.
     pub aspace: Arc<Mutex<AddrSpace>>,
+    /// The resource namespace
+    pub ns: AxNamespace,
 }
 
 impl TaskExt {
-    pub const fn new(uctx: UspaceContext, aspace: Arc<Mutex<AddrSpace>>) -> Self {
+    pub fn new(uctx: UspaceContext, aspace: Arc<Mutex<AddrSpace>>) -> Self {
         Self {
             proc_id: 233,
             uctx,
             clear_child_tid: AtomicU64::new(0),
             aspace,
+            ns: AxNamespace::new_thread_local(),
         }
     }
 
@@ -44,6 +48,21 @@ impl TaskExt {
     }
 }
 
+struct AxNamespaceImpl;
+
+#[crate_interface::impl_interface]
+impl AxNamespaceIf for AxNamespaceImpl {
+    #[inline(never)]
+    fn current_namespace_base() -> *mut u8 {
+        log::info!("current_namespace_base {}", axtask::current().id_name());
+        let current = axtask::current();
+        if current.name() == "main" {
+            return axns::AxNamespace::global().base();
+        }
+        axtask::current().task_ext().ns.base()
+    }
+}
+
 axtask::def_task_ext!(TaskExt);
 
 pub fn spawn_user_task(aspace: Arc<Mutex<AddrSpace>>, uctx: UspaceContext) -> AxTaskRef {