diff --git a/packages/kos-sdk/src/chains/ethereum/mod.rs b/packages/kos-sdk/src/chains/ethereum/mod.rs
index 4b537fd..9564bf3 100644
--- a/packages/kos-sdk/src/chains/ethereum/mod.rs
+++ b/packages/kos-sdk/src/chains/ethereum/mod.rs
@@ -254,13 +254,12 @@ impl ETH {
         if !is_eth_token {
             // update contract data for token transfer
             let contract = evm20::get_contract_evm20();
-            let func = contract.function("transferFrom").map_err(|e| {
-                Error::InvalidMessage(format!("failed to get transferFrom function: {}", e))
+            let func = contract.function("transfer").map_err(|e| {
+                Error::InvalidMessage(format!("failed to get transfer function: {}", e))
             })?;
 
             let encoded = func
                 .encode_input(&[
-                    ethabi::Token::Address(addr_sender.into()),
                     ethabi::Token::Address(addr_receiver.into()),
                     ethabi::Token::Uint(
                         U256::from_dec_str(&amount.to_string())
diff --git a/packages/kos-sdk/src/chains/evm20.rs b/packages/kos-sdk/src/chains/evm20.rs
index 43328d1..d3a10b0 100644
--- a/packages/kos-sdk/src/chains/evm20.rs
+++ b/packages/kos-sdk/src/chains/evm20.rs
@@ -47,7 +47,7 @@ const EVM20_CONTRACT_ABI: &str = r#"
         }
     ],
     "payable": false,
-        "stateMutability": "nonpayable",
+    "stateMutability": "nonpayable",
     "type": "function"
   },
   {