diff --git a/Cargo.toml b/Cargo.toml
index 07b2f25..5c1d55d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,7 +7,7 @@ edition = "2021"
 license = "Apache-2.0"
 name = "reqsign"
 repository = "https://github.com/Xuanwo/reqsign"
-version = "0.15.0"
+version = "0.15.1"
 
 [package.metadata.docs.rs]
 all-features = true
diff --git a/src/aws/credential.rs b/src/aws/credential.rs
index 62c3057..4e1d043 100644
--- a/src/aws/credential.rs
+++ b/src/aws/credential.rs
@@ -117,7 +117,7 @@ impl DefaultLoader {
         let cred = self.load_inner().await?;
 
         let mut lock = self.credential.lock().expect("lock poisoned");
-        *lock = cred.clone();
+        lock.clone_from(&cred);
 
         Ok(cred)
     }
diff --git a/src/azure/storage/loader.rs b/src/azure/storage/loader.rs
index dda61dc..717e230 100644
--- a/src/azure/storage/loader.rs
+++ b/src/azure/storage/loader.rs
@@ -37,7 +37,7 @@ impl Loader {
         let cred = self.load_inner().await?;
 
         let mut lock = self.credential.lock().expect("lock poisoned");
-        *lock = cred.clone();
+        lock.clone_from(&cred);
 
         Ok(cred)
     }
diff --git a/src/huaweicloud/obs/credential.rs b/src/huaweicloud/obs/credential.rs
index 80fd6a1..3be2a2f 100644
--- a/src/huaweicloud/obs/credential.rs
+++ b/src/huaweicloud/obs/credential.rs
@@ -46,7 +46,7 @@ impl CredentialLoader {
         let cred = self.load_inner().await?;
 
         let mut lock = self.credential.lock().expect("lock poisoned");
-        *lock = cred.clone();
+        lock.clone_from(&cred);
 
         Ok(cred)
     }
diff --git a/src/tencent/credential.rs b/src/tencent/credential.rs
index f98bb90..73ac51a 100644
--- a/src/tencent/credential.rs
+++ b/src/tencent/credential.rs
@@ -62,7 +62,7 @@ impl CredentialLoader {
         let cred = self.load_inner().await?;
 
         let mut lock = self.credential.lock().expect("lock poisoned");
-        *lock = cred.clone();
+        lock.clone_from(&cred);
 
         Ok(cred)
     }