diff --git a/crates/rooch/src/commands/account/commands/verify.rs b/crates/rooch/src/commands/account/commands/verify.rs
index 69317ca33..26b0360b7 100644
--- a/crates/rooch/src/commands/account/commands/verify.rs
+++ b/crates/rooch/src/commands/account/commands/verify.rs
@@ -36,31 +36,20 @@ pub struct VerifyCommand {
 #[async_trait]
 impl CommandAction<Option<bool>> for VerifyCommand {
     async fn execute(self) -> RoochResult<Option<bool>> {
-        let signature_bytes = hex::decode(self.signature_hash).map_err(|e| {
-            RoochError::CommandArgumentError(format!("Decode hex failed: {}", e.to_string()))
-        })?;
+        let signature_bytes = hex::decode(self.signature_hash)
+            .map_err(|e| RoochError::CommandArgumentError(format!("Decode hex failed: {}", e)))?;
         let signatrue = Signature::from_bytes(&signature_bytes).map_err(|e| {
-            RoochError::CommandArgumentError(format!(
-                "Invalid signature argument: {}",
-                e.to_string()
-            ))
-        })?;
-        let pk = Secp256k1PublicKey::from_bytes(signatrue.public_key_bytes()).map_err(|e| {
-            RoochError::CommandArgumentError(format!("Invalid public key: {}", e.to_string()))
+            RoochError::CommandArgumentError(format!("Invalid signature argument: {}", e))
         })?;
+        let pk = Secp256k1PublicKey::from_bytes(signatrue.public_key_bytes())
+            .map_err(|e| RoochError::CommandArgumentError(format!("Invalid public key: {}", e)))?;
         let sig = Secp256k1Signature::from_bytes(signatrue.signature_bytes()).map_err(|e| {
-            RoochError::CommandArgumentError(format!(
-                "Invalid signature argument: {}",
-                e.to_string()
-            ))
-        })?;
-        let message_hash = hex::decode(self.message_hash).map_err(|e| {
-            RoochError::CommandArgumentError(format!("Decode hex failed: {}", e.to_string()))
+            RoochError::CommandArgumentError(format!("Invalid signature argument: {}", e))
         })?;
+        let message_hash = hex::decode(self.message_hash)
+            .map_err(|e| RoochError::CommandArgumentError(format!("Decode hex failed: {}", e)))?;
         pk.verify_with_hash::<Sha256>(&message_hash, &sig)
-            .map_err(|e| {
-                RoochError::CommandArgumentError(format!("Failed verification: {}", e.to_string()))
-            })?;
+            .map_err(|e| RoochError::CommandArgumentError(format!("Failed verification: {}", e)))?;
 
         if self.json {
             Ok(Some(true))