diff --git a/examples/transfer_from_opentx.md b/examples/transfer_from_opentx.md
index 65560347..88530ae5 100644
--- a/examples/transfer_from_opentx.md
+++ b/examples/transfer_from_opentx.md
@@ -59,8 +59,6 @@ ckb-cli wallet transfer --from-account 0xc8328aabcd9b9e8e64fbc566c4385c3bdeb219d
 ```
 output:
 ```json
-pubkey:"038d3cfceea4f9c2e76c5c4f5e99aec74c26d6ac894648b5700a0b71f91f9b5c2a"
-pubkey:"048d3cfceea4f9c2e76c5c4f5e99aec74c26d6ac894648b5700a0b71f91f9b5c2a26b16aac1d5753e56849ea83bf795eb8b06f0b6f4e5ed7b8caca720595458039"
 {
   "lock-arg": "0x01cf2485c76aff1f2b4464edf04a1c8045068cf7e010",
   "lock-hash": "0x057dcd204f26621ef49346ed77d2bdbf3069b83a5ef0a2b52be5299a93507cf6",
diff --git a/examples/transfer_from_opentx.rs b/examples/transfer_from_opentx.rs
index 47b2df93..794363af 100644
--- a/examples/transfer_from_opentx.rs
+++ b/examples/transfer_from_opentx.rs
@@ -35,6 +35,10 @@ use clap::{Args, Parser, Subcommand};
 use serde::{Deserialize, Serialize};
 use std::{collections::HashMap, error::Error as StdErr, fs, path::PathBuf};
 
+// The transaction hash i deployed my omnilock script with open transaction function on my test environment.
+// You should not use this hash to find your open transaction code_hash at any circumstances,
+// or you will lost your CKB for ever, or not make the example work.
+// You should replace this hash with your own transaction hash or provide one with command line parameter for this example.
 const OPENTX_TX_HASH: &str = "d7697f6b3684d1451c42cc538b3789f13b01430007f65afe74834b6a28714a18";
 const OPENTX_TX_IDX: &str = "0";
 
@@ -438,8 +442,8 @@ fn build_omnilock_addr(args: &BuildOmniLockAddrArgs) -> Result<(), Box<dyn StdEr
     } else if let Some(ethereum_receiver) = args.ethereum_receiver.as_ref() {
         let privkey = secp256k1::SecretKey::from_slice(ethereum_receiver.as_bytes()).unwrap();
         let pubkey = secp256k1::PublicKey::from_secret_key(&SECP256K1, &privkey);
-        println!("pubkey:{:?}", hex_string(&pubkey.serialize()));
-        println!("pubkey:{:?}", hex_string(&pubkey.serialize_uncompressed()));
+        // println!("pubkey:{:?}", hex_string(&pubkey.serialize()));
+        // println!("pubkey:{:?}", hex_string(&pubkey.serialize_uncompressed()));
         let addr = keccak160(Pubkey::from(pubkey).as_ref());
         OmniLockConfig::new_ethereum(addr)
     } else if !args.multis_args.sighash_address.is_empty() {