diff --git a/public/logos/evmos.png b/public/logos/evmos.png
new file mode 100644
index 00000000..e801519d
Binary files /dev/null and b/public/logos/evmos.png differ
diff --git a/public/logos/juno.png b/public/logos/juno.png
new file mode 100644
index 00000000..30f5011b
Binary files /dev/null and b/public/logos/juno.png differ
diff --git a/src/chains/mainnet/evmos.json b/src/chains/mainnet/evmos.json
index a8d9f119..731ccf90 100644
--- a/src/chains/mainnet/evmos.json
+++ b/src/chains/mainnet/evmos.json
@@ -6,9 +6,9 @@
     "snapshot_provider": "",
     "sdk_version": "0.45.1",
     "coin_type": "60",
-    "min_tx_fee": "3000000000000000",
+    "min_tx_fee": "5000000000000000",
     "addr_prefix": "evmos",
-    "logo": "/logos/evmos.jpeg",
+    "logo": "/logos/evmos.png",
     "keplr_features": ["ibc-transfer", "ibc-go", "eth-address-gen", "eth-key-sign"],
     "assets": [{
         "base": "aevmos",
diff --git a/src/chains/mainnet/juno.json b/src/chains/mainnet/juno.json
index 6aaccb2d..6c8ca19d 100644
--- a/src/chains/mainnet/juno.json
+++ b/src/chains/mainnet/juno.json
@@ -8,7 +8,7 @@
     "coin_type": "118",
     "min_tx_fee": "3000",
     "addr_prefix": "juno",
-    "logo": "/logos/juno.jpg",
+    "logo": "/logos/juno.png",
     "assets": [{
         "base": "ujuno",
         "symbol": "JUNO",
diff --git a/src/libs/client/EthereumLedgerSigner.ts b/src/libs/client/EthereumLedgerSigner.ts
index f8218f8f..ab72f178 100644
--- a/src/libs/client/EthereumLedgerSigner.ts
+++ b/src/libs/client/EthereumLedgerSigner.ts
@@ -54,6 +54,14 @@ export class EthereumLedgerSigner implements OfflineAminoSigner{
         algo: "secp256k1" // should be 'ethsecp256k1'
       }
       return [x2, x1]
+    }).catch(e=> {
+      if(e.toString().indexOf('0x6b0c')> 0) {
+        throw new Error('Please unlock your Ledger first')
+      } 
+      if(e.toString().indexOf('0x6e00')> 0) {
+        throw new Error('Please open Ethereum app on the Ledger!')
+      }
+      throw e
     })
   };
 
@@ -85,7 +93,6 @@ export class EthereumLedgerSigner implements OfflineAminoSigner{
             signed: signDoc,
             signature
           }
-          console.log(result, output)
           return output
         })
       }
diff --git a/src/libs/client/MessageAdapter.ts b/src/libs/client/MessageAdapter.ts
index c83f2df7..93db81e0 100644
--- a/src/libs/client/MessageAdapter.ts
+++ b/src/libs/client/MessageAdapter.ts
@@ -64,7 +64,8 @@ export class BeginRedelegateMessageAdapter implements MessageAdapter {
 export class DelegateMessageAdapter implements MessageAdapter {
     toProto(message: EncodeObject) {
         const param = message.value
-        return createMsgDelegate(param.delegatorAddress, param.validatorAddress, param.amount[0].amount, param.amount[0].denom)
+        const amount = Array.isArray(param.amount) ? param.amount[0] : param.amount
+        return createMsgDelegate(param.delegatorAddress, param.validatorAddress, amount.amount, amount.denom)
     }
     getTypes() {
         return MSG_DELEGATE_TYPES
@@ -74,7 +75,8 @@ export class DelegateMessageAdapter implements MessageAdapter {
 export class SendMessageAdapter implements MessageAdapter {
     toProto(message: EncodeObject) {
         const param = message.value
-        return createMsgSend(param.fromAddress, param.toAddress, param.amount[0].amount, param.amount[0].denom)
+        const amount = Array.isArray(param.amount) ? param.amount[0] : param.amount
+        return createMsgSend(param.fromAddress, param.toAddress, amount.amount, param.amount.denom)
     }
     getTypes() {
         return MSG_SEND_TYPES
@@ -84,7 +86,8 @@ export class SendMessageAdapter implements MessageAdapter {
 export class UndelegateMessageAdapter implements MessageAdapter {
     toProto(message: EncodeObject) {
         const param = message.value
-        return createMsgUndelegate(param.delegatorAddress, param.validatorAddress, param.amount[0].amount, param.amount[0].denom)
+        const amount = Array.isArray(param.amount) ? param.amount[0] : param.amount
+        return createMsgUndelegate(param.delegatorAddress, param.validatorAddress, amount.amount, amount.denom)
     }
     getTypes() {
         return MSG_UNDELEGATE_TYPES
diff --git a/src/libs/client/PingWalletClient.ts b/src/libs/client/PingWalletClient.ts
index e267a6a4..f9542f27 100644
--- a/src/libs/client/PingWalletClient.ts
+++ b/src/libs/client/PingWalletClient.ts
@@ -156,6 +156,10 @@ export class SigningEthermintClient {
         this.signer.prefix = fromBech32(signerAddress).prefix
         const account = await this.signer.getAccounts()
 
+        const acc = account.find(x => x.address === signerAddress)
+        if(!acc) {
+            throw new Error('The signer address dose not exsits in Ledger!')
+        }
         const sender = {
             accountAddress: signerAddress,
             sequence: explicitSignerData.sequence,
@@ -240,7 +244,6 @@ function makeRawTx(sender, messages, memo, fee, signature, registry): TxRaw {
         signatures: [fromHex(signature)],
     });
 
-    console.log("rawTx", rawTx)
     return rawTx
 }