diff --git a/rust/task/affinity/src/main.rs b/rust/task/affinity/src/main.rs
index 008dfd7..382e639 100644
--- a/rust/task/affinity/src/main.rs
+++ b/rust/task/affinity/src/main.rs
@@ -59,11 +59,11 @@ fn main() {
                 assert_ne!(this_cpu_id(), cpu_id, "CPU affinity changes failed!");
                 thread::yield_now();
             }
-            let _ = FINISHED_TASKS.fetch_add(1, Ordering::SeqCst);
+            let _ = FINISHED_TASKS.fetch_add(1, Ordering::Relaxed);
         });
     }
 
-    while FINISHED_TASKS.load(Ordering::SeqCst) < NUM_TASKS {
+    while FINISHED_TASKS.load(Ordering::Relaxed) < NUM_TASKS {
         thread::yield_now();
     }
 
diff --git a/scripts/get_deps.sh b/scripts/get_deps.sh
index 8ee684f..74d13f1 100755
--- a/scripts/get_deps.sh
+++ b/scripts/get_deps.sh
@@ -3,7 +3,7 @@
 AX_ROOT=.arceos
 
 test ! -d "$AX_ROOT" && echo "Cloning repositories ..." || true
-test ! -d "$AX_ROOT" && git clone https://github.com/arceos-org/arceos "$AX_ROOT" --depth=1 || true
+test ! -d "$AX_ROOT" && git clone -b axsync https://github.com/arceos-org/arceos "$AX_ROOT" --depth=1 || true
 
 echo "Copying Cargo.lock ..."
 cp "$AX_ROOT/Cargo.lock" Cargo.lock