diff --git a/src/cmd_decrypt.rs b/src/cmd_decrypt.rs
index 53b44dc..cfce4fd 100644
--- a/src/cmd_decrypt.rs
+++ b/src/cmd_decrypt.rs
@@ -28,7 +28,7 @@ use crate::consts::{
 };
 use crate::crypto_cryptor::{Cryptor, KeyNonce};
 use crate::spec::{EncEncryptedMeta, TinyEncryptEnvelop, TinyEncryptEnvelopType, TinyEncryptMeta};
-use crate::util::{decode_base64, SecVec};
+use crate::util::SecVec;
 use crate::util_digest::DigestWrite;
 #[cfg(feature = "secure-enclave")]
 use crate::util_keychainkey;
@@ -489,7 +489,7 @@ fn try_decrypt_piv_key_rsa(config: &Option<TinyEncryptConfig>,
                            envelop: &TinyEncryptEnvelop,
                            pin: &Option<String>,
                            slot: &Option<String>) -> XResult<Vec<u8>> {
-    let encrypted_key_bytes = opt_result!(decode_base64(&envelop.encrypted_key), "Decode encrypt key failed: {}");
+    let encrypted_key_bytes = opt_result!(util::decode_base64(&envelop.encrypted_key), "Decode encrypt key failed: {}");
 
     let slot = util_piv::read_piv_slot(config, &envelop.kid, slot)?;
     let pin = util::read_pin(pin);