diff --git a/codes/rust/chapter_hashing/hash_map_chaining.rs b/codes/rust/chapter_hashing/hash_map_chaining.rs
index 8f081f0066..f0773d82db 100644
--- a/codes/rust/chapter_hashing/hash_map_chaining.rs
+++ b/codes/rust/chapter_hashing/hash_map_chaining.rs
@@ -63,7 +63,7 @@ impl HashMapChaining {
     /* 扩容哈希表 */
     fn extend(&mut self) {
         // 暂存原哈希表
-        let buckets_tmp = std::mem::replace(&mut self.buckets, vec![]);
+        let buckets_tmp = std::mem::take(&mut self.buckets);
 
         // 初始化扩容后的新哈希表
         self.capacity *= self.extend_ratio;