diff --git a/imkey-core/ikc/src/handler.rs b/imkey-core/ikc/src/handler.rs
index fdc84b0c..52fdf73c 100644
--- a/imkey-core/ikc/src/handler.rs
+++ b/imkey-core/ikc/src/handler.rs
@@ -203,11 +203,32 @@ pub(crate) fn get_extended_public_keys(data: &[u8]) -> Result<Vec<u8>> {
     let mut extended_public_keys = vec![];
     for public_key_derivation in param.derivations.iter() {
         // if "".eq(&public_key_derivation.path) || &public_key_derivation.path.split("/") {  }
-        let extended_public_key = match public_key_derivation.curve.as_str() {
-            "secp256k1" => {
+        if !public_key_derivation.curve.eq("secp256k1") {
+            return Err(anyhow!("unsupported_curve_type"));
+        }
+        let extended_public_key = match public_key_derivation.chain_type.as_str() {
+            "BITCOIN" | "LITCOIN" | "BITCOINCASH" => {
                 BtcAddress::get_xpub(Network::Bitcoin, public_key_derivation.path.as_str())?
-            }
-            _ => return Err(anyhow!("unsupported_curve_type")),
+            },
+            "ETHEREUM" => {
+                EthAddress::get_xpub(public_key_derivation.path.as_str())?
+            },
+            "COSMOS" => {
+                CosmosAddress::get_xpub(public_key_derivation.path.as_str())?
+            },
+            "FILECOIN" => {
+                FilecoinAddress::get_xpub("MAINNET", public_key_derivation.path.as_str())?
+            },
+            "TRON" => {
+                TronAddress::get_xpub(public_key_derivation.path.as_str())?
+            },
+            "EOS" => {
+                EosPubkey::get_xpub(public_key_derivation.path.as_str())?
+            },
+            "NERVOS" => {
+                CkbAddress::get_xpub("MAINNET", public_key_derivation.path.as_str())?
+            },
+            _ => return Err(anyhow!("unsupported_chain_type")),
         };
         extended_public_keys.push(extended_public_key);
     }
diff --git a/imkey-core/ikc/src/lib.rs b/imkey-core/ikc/src/lib.rs
index a4a6fd3f..45a7701c 100644
--- a/imkey-core/ikc/src/lib.rs
+++ b/imkey-core/ikc/src/lib.rs
@@ -1419,6 +1419,36 @@ mod tests {
                 path: "m/44'/145'/0'".to_string(),
                 curve: "secp256k1".to_string(),
             },
+            PublicKeyDerivation {
+                chain_type: "ETHEREUM".to_string(),
+                path: "m/44'/60'/0'".to_string(),
+                curve: "secp256k1".to_string(),
+            },
+            PublicKeyDerivation {
+                chain_type: "COSMOS".to_string(),
+                path: "m/44'/118'/0'".to_string(),
+                curve: "secp256k1".to_string(),
+            },
+            PublicKeyDerivation {
+                chain_type: "FILECOIN".to_string(),
+                path: "m/44'/461'/0'".to_string(),
+                curve: "secp256k1".to_string(),
+            },
+            PublicKeyDerivation {
+                chain_type: "TRON".to_string(),
+                path: "m/44'/195'/0'".to_string(),
+                curve: "secp256k1".to_string(),
+            },
+            PublicKeyDerivation {
+                chain_type: "EOS".to_string(),
+                path: "m/44'/194'/0'".to_string(),
+                curve: "secp256k1".to_string(),
+            },
+            PublicKeyDerivation {
+                chain_type: "NERVOS".to_string(),
+                path: "m/44'/309'/0'".to_string(),
+                curve: "secp256k1".to_string(),
+            },
         ];
         let param = GetExtendedPublicKeysParam { derivations };
         let action: ImkeyAction = ImkeyAction {
@@ -1437,6 +1467,12 @@ mod tests {
         assert_eq!(extended_public_key.extended_public_keys[1], "xpub6FmdMKZ36pLzf1iF7DLCzKtZms33cZ6mVjvBSy2dCPugFCH23cS3jgHfQ9PKmxs989ZyiyALuADMtLokCzpw7Fi35ap4uybfQAY5WVakan7");
         assert_eq!(extended_public_key.extended_public_keys[2], "xpub6AQmexrYd5utZNmD9Gnf4CjrzJ4kuvaxacLyuSD5sA34g4oKuzBpX5rhAZrCZoxkcqWLVyWSz1rEh5ECs4PDRN16PLfNKFftxm48y6zsWX3");
         assert_eq!(extended_public_key.extended_public_keys[3], "xpub6Bmkv3mmRZZWoFSBdj9vDMqR2PCPSP6DEj8u3bBuv44g3Ncnro6cPVqZAw6wTEcxHQuodkuJG4EmAinqrrRXGsN3HHnRRMtAvzfYTiBATV1");
+        assert_eq!(extended_public_key.extended_public_keys[4], "xpub6CZG7sArTpFs5n47cUxtbcVXuq4QfUTykGWL8t8RJdPXvnSnF2VrDwgqjuS7JvJ7DK8B4pnbMxCNtPsbHdPjuFBCcBo81cfMRWcPUXWND3e");
+        assert_eq!(extended_public_key.extended_public_keys[5], "xpub6CrWRZY39gj49G1ipdmcVunEnb5RoTGf9o6QnJQp8c4b84V2piN1Rdy1xWVJ4P7VXNx5Ckg6rZcvSNvJtvWz8zs3RkPayHn9vMMuK9ERrFr");
+        assert_eq!(extended_public_key.extended_public_keys[6], "xpub6DCc3LkXWVzLHfCFSvmxmXytMfVnxeQQ3LDiLmHwTojg3p3U6qFmNLqzPijosTwRqeC4j2TqJamUjM44GBVRcdPukxEN94Rac8WndUhfYEK");
+        assert_eq!(extended_public_key.extended_public_keys[7], "xpub6CaaaWKi9NRFAnRyDFZxWKWs7Sh8d9WiaCspHVpkDcaVwqQFRH2z5ygLbHZs8yWtwyR3QhJLDJzbrdSTZRC9PWaRfAMNCruoSJnWhKFFCWV");
+        assert_eq!(extended_public_key.extended_public_keys[8], "xpub6CUtvjXi3yjmhjaC2GxjiWE9FbQs1TrtqAgRDhB2gmDBsPzTfwqZ7MvGGYScKiVx8PBNFSmHm4mCnFDCaX23c1nJS4p8ynR2wnGne4qEEX9");
+        assert_eq!(extended_public_key.extended_public_keys[9], "xpub6CyvXfYwHJjJ9syYjG7qZMva1yMx93SUmqUcKHvoReUadCzqJA8mMXrrXQjRvzveuahgdQmCsdsuiCkMRsLec63DW83Wwu5UqKJQmsonKpo");
     }
 
     #[test]
@@ -1716,4 +1752,11 @@ mod tests {
             assert_eq!("success", bind_result.bind_status);
         }
     }
+
+    #[test]
+    fn test1(){
+        let req_hex = "1218696d6b65795f636f6d6d616e645f646174615f6572726f72";
+        let res = ErrorResponse::decode(hex::decode(req_hex).unwrap().as_slice()).unwrap();
+        println!("{:?}",res);
+    }
 }