diff --git a/ylong_runtime/src/executor/queue.rs b/ylong_runtime/src/executor/queue.rs
index e034acde645608cb4af81450325326d78fa5e4b1..22bb808e8e59944d0d6b7492b11670de10326de9 100644
--- a/ylong_runtime/src/executor/queue.rs
+++ b/ylong_runtime/src/executor/queue.rs
@@ -214,7 +214,7 @@ impl InnerBuffer {
                 wrap(steal_pos, next_real)
             };
 
-            let res = self.front.compare_exchange(head, next, AcqRel, Acquire);
+            let res = self.front.compare_exchange_weak(head, next, AcqRel, Acquire);
             match res {
                 Ok(_) => break real_pos,
                 Err(actual) => head = actual,
@@ -365,7 +365,7 @@ impl InnerBuffer {
 
             let res = self
                 .front
-                .compare_exchange(src_prev_front, src_next_front, AcqRel, Acquire);
+                .compare_exchange_weak(src_prev_front, src_next_front, AcqRel, Acquire);
             match res {
                 Ok(_) => break n,
                 Err(actual) => src_prev_front = actual,
diff --git a/ylong_runtime/src/sync/mpsc/bounded/array.rs b/ylong_runtime/src/sync/mpsc/bounded/array.rs
index 872969a5e258c6f9dc42eedb354c40a6452aa24e..feba4e4b8c514a2bc84ddf2560cdb923ab4a1455 100644
--- a/ylong_runtime/src/sync/mpsc/bounded/array.rs
+++ b/ylong_runtime/src/sync/mpsc/bounded/array.rs
@@ -87,7 +87,7 @@ impl<T> Array<T> {
             // Compare the index of the node with the tail to avoid senders in different
             // cycles writing data to the same point at the same time.
             if (tail >> INDEX_SHIFT) == node_index {
-                match self.tail.compare_exchange(
+                match self.tail.compare_exchange_weak(
                     tail,
                     tail.wrapping_add(1 << INDEX_SHIFT),
                     AcqRel,
diff --git a/ylong_runtime/src/sync/mpsc/unbounded/queue.rs b/ylong_runtime/src/sync/mpsc/unbounded/queue.rs
index e44c122b36f8de836f1de82b3c464de6bd1b5ede..a21f369dfe07d2bd3ba879a2090c31a7145fb954 100644
--- a/ylong_runtime/src/sync/mpsc/unbounded/queue.rs
+++ b/ylong_runtime/src/sync/mpsc/unbounded/queue.rs
@@ -168,7 +168,7 @@ impl<T> Queue<T> {
             match self
                 .tail
                 .index
-                .compare_exchange(tail, tail + (1 << INDEX_SHIFT), AcqRel, Acquire)
+                .compare_exchange_weak(tail, tail + (1 << INDEX_SHIFT), AcqRel, Acquire)
             {
                 Ok(_) => {
                     self.send_inner(index, block, new_block, value);
diff --git a/ylong_runtime/src/sync/oneshot.rs b/ylong_runtime/src/sync/oneshot.rs
index f84c378480d888d03addd6231d5153c2a2d7cacc..5700afbf84176e9c289706819342091296944121 100644
--- a/ylong_runtime/src/sync/oneshot.rs
+++ b/ylong_runtime/src/sync/oneshot.rs
@@ -171,7 +171,7 @@ impl<T> Sender<T> {
                     if self
                         .channel
                         .state
-                        .compare_exchange(INIT, SENT, AcqRel, Acquire)
+                        .compare_exchange_weak(INIT, SENT, AcqRel, Acquire)
                         .is_ok()
                     {
                         self.channel.waker.wake();
diff --git a/ylong_runtime/src/sync/rwlock.rs b/ylong_runtime/src/sync/rwlock.rs
index 658849f1ea4edde5ac7d1e2d867b6f630526b852..4d0212a0db89cde728aedd65677132d17f427bff 100644
--- a/ylong_runtime/src/sync/rwlock.rs
+++ b/ylong_runtime/src/sync/rwlock.rs
@@ -141,7 +141,7 @@ impl<T: ?Sized> RwLock<T> {
             }
             match self
                 .read_count
-                .compare_exchange(read_count, read_count + 1, AcqRel, Acquire)
+                .compare_exchange_weak(read_count, read_count + 1, AcqRel, Acquire)
             {
                 Ok(_) => return Ok(RwLockReadGuard(self)),
                 Err(curr) => read_count = curr,