diff --git a/kernel/aster-nix/src/thread/kernel_thread.rs b/kernel/aster-nix/src/thread/kernel_thread.rs
index 8fbdc2a2a..b0e58b003 100644
--- a/kernel/aster-nix/src/thread/kernel_thread.rs
+++ b/kernel/aster-nix/src/thread/kernel_thread.rs
@@ -44,6 +44,8 @@ impl KernelThreadExt for Thread {
             let weal_thread = thread_ref.clone();
             let task = TaskOptions::new(thread_fn)
                 .data(weal_thread)
+                .priority(thread_options.priority)
+                .cpu_affinity(thread_options.cpu_affinity)
                 .build()
                 .unwrap();
             let status = ThreadStatus::Init;