diff --git a/.gitignore b/.gitignore
index 4b7638e..b7df153 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,7 +3,7 @@ logs/
 por_test.csv
 por_test_*.csv
 userPathJson-*
-okx_por_*.csv
+*_por_*.csv
 *_address_balance.csv
 venv/
 origin/
diff --git a/cmd/checkbalance/main.go b/cmd/checkbalance/main.go
index 5488fc9..2865304 100644
--- a/cmd/checkbalance/main.go
+++ b/cmd/checkbalance/main.go
@@ -105,7 +105,7 @@ func CoinAddressBalanceValidator(cmd *cobra.Command, args []string) {
 			return
 		}
 		// coin black list
-		if _, exist := common.CheckBalanceCoinBlackList[coin]; exist {
+		if common.IsCheckBalanceBannedCoin(coin) {
 			log.Errorf("check balance not support the coin %s, please set the correct one!", coin)
 			return
 		}
@@ -234,7 +234,7 @@ func VerifySingleCoinAllAddressBalance(validator *common.AddressBalanceValidator
 func VerifyAllCoinAddressBalance(validator *common.AddressBalanceValidator) {
 	for _, v := range common.PorCoinDataMap {
 		// check coin black list
-		if _, exist := common.CheckBalanceCoinBlackList[v.Coin]; exist {
+		if common.IsCheckBalanceBannedCoin(coin) {
 			continue
 		}
 		balance, err := validator.GetCoinAddressBalanceInfo(strings.ToLower(v.Coin), v.Address, v.SnapshotHeight)
@@ -355,7 +355,7 @@ func getDestCoinList(coin string) []string {
 		for k, v := range common.PorCoinUnitMap {
 			if v == destCoin {
 				// check coin black list
-				if _, exist := common.CheckBalanceCoinBlackList[k]; exist {
+				if common.IsCheckBalanceBannedCoin(k) {
 					log.Errorf("check balance not support the coin %s, ignore por total balance: %s", k, porCoinTotalBalance[k].String())
 					continue
 				}
diff --git a/cmd/verifyaddress/main.go b/cmd/verifyaddress/main.go
index ec23637..2dee705 100644
--- a/cmd/verifyaddress/main.go
+++ b/cmd/verifyaddress/main.go
@@ -62,7 +62,7 @@ func handle(i int, line string) (string, bool) {
 		coinTotalBalance[totalCoin] = val
 	}
 
-	if coin == "EOS" || coin == "RIPPLE" {
+	if common.IsVerifyAddressBannedCoin(coin) {
 		return coin, true
 	}
 
@@ -146,10 +146,19 @@ func AddressVerify(cmd *cobra.Command, args []string) {
 			continue
 		}
 		coin, ok := handle(count, strings.TrimSpace(temp))
-		// not stats EOS and RIPPLE
-		if coin == "EOS" || coin == "RIPPLE" {
+
+		if common.IsVerifyAddressBannedCoin(coin) {
 			continue
 		}
+
+		if _, exist := fail[coin]; !exist {
+			fail[coin] = 0
+		}
+
+		if _, exist := success[coin]; !exist {
+			success[coin] = 0
+		}
+
 		if !ok {
 			fail[coin]++
 		} else {
diff --git a/common/coin.go b/common/coin.go
index ed20926..26785c8 100644
--- a/common/coin.go
+++ b/common/coin.go
@@ -8,6 +8,7 @@ const (
 
 	TrxCoinType  = "TRX"
 	BethCoinType = "BETH"
+	AlgoCoinType = "ALGO"
 
 	BtcMessageSignatureHeader  = "Bitcoin Signed Message:\n"
 	LtcMessageSignatureHeader  = "Litecoin Signed Message:\n"
@@ -53,6 +54,7 @@ var (
 		"USDT-AVAXC":     "ETH",
 		"USDT-ARBITRUM":  "ETH",
 		"USDT-OPTIMISM":  "ETH",
+		"USDT-OKC20":     "ETH",
 		"USDC":           "ETH",
 		"POLY-USDC":      "ETH",
 		"USDC-AVAXC":     "ETH",
@@ -103,6 +105,9 @@ var (
 		"APTOS":       "APTOS",
 		"TONCOIN-NEW": "TON",
 		"DOT":         "DOT",
+
+		// ALGO
+		"USDT-ALGO": "ALGO",
 	}
 
 	PorCoinTypeMap = map[string]string{
@@ -175,12 +180,16 @@ var (
 		"LINKK-OKC20":    EcdsaCoinType,
 		"TRXK-KIP20":     EcdsaCoinType,
 		"OKT":            EcdsaCoinType,
+		"USDT-OKC20":     EcdsaCoinType,
 
 		// ED25519
 		"SOL":         Ed25519CoinType,
 		"APTOS":       Ed25519CoinType,
 		"TONCOIN-NEW": Ed25519CoinType,
 		"DOT":         Ed25519CoinType,
+
+		// ALGO
+		"USDT-ALGO": AlgoCoinType,
 	}
 
 	PorCoinMessageSignatureHeaderMap = map[string]string{
@@ -253,12 +262,16 @@ var (
 		"LINKK-OKC20":    OKXMessageSignatureHeader,
 		"TRXK-KIP20":     OKXMessageSignatureHeader,
 		"OKT":            OKXMessageSignatureHeader,
+		"USDT-OKC20":     OKXMessageSignatureHeader,
 
 		// ED25519
 		"SOL":         OKXMessageSignatureHeader,
 		"APTOS":       OKXMessageSignatureHeader,
 		"TONCOIN-NEW": OKXMessageSignatureHeader,
 		"DOT":         OKXMessageSignatureHeader,
+
+		// ALGO
+		"USDT-ALGO": OKXMessageSignatureHeader,
 	}
 
 	PorCoinUnitMap = map[string]string{
@@ -288,6 +301,7 @@ var (
 		"USDT-AVAXC":     "USDT",
 		"USDT-ARBITRUM":  "USDT",
 		"USDT-OPTIMISM":  "USDT",
+		"USDT-OKC20":     "USDT",
 		"USDC":           "USDC",
 		"POLY-USDC":      "USDC",
 		"USDC-AVAXC":     "USDC",
@@ -342,6 +356,9 @@ var (
 		// EOS
 		"EOS":    "EOS",
 		"RIPPLE": "RIPPLE",
+
+		// ALGO
+		"USDT-ALGO": "USDT",
 	}
 
 	PorCoinBaseUnitPrecisionMap = map[string]int{
@@ -371,6 +388,7 @@ var (
 		"USDT-AVAXC":     6,
 		"USDT-ARBITRUM":  6,
 		"USDT-OPTIMISM":  6,
+		"USDT-OKC20":     18,
 		"USDC":           6,
 		"POLY-USDC":      6,
 		"USDC-AVAXC":     6,
@@ -425,6 +443,9 @@ var (
 		// EOS
 		"EOS":    4,
 		"RIPPLE": 6,
+
+		// ALGO
+		"USDT-ALGO": 6,
 	}
 
 	CheckBalanceCoinBlackList = map[string]bool{
@@ -448,5 +469,21 @@ var (
 
 		"EOS":    true,
 		"RIPPLE": true,
+
+		"USDT-ALGO": true,
+	}
+
+	VerifyAddressCoinBlackList = map[string]bool{
+		"EOS":       true,
+		"RIPPLE":    true,
+		"USDT-ALGO": true,
 	}
 )
+
+func IsCheckBalanceBannedCoin(coin string) bool {
+	return CheckBalanceCoinBlackList[coin]
+}
+
+func IsVerifyAddressBannedCoin(coin string) bool {
+	return VerifyAddressCoinBlackList[coin]
+}
diff --git a/common/crypto_test.go b/common/crypto_test.go
index c40ade6..4a7f92b 100644
--- a/common/crypto_test.go
+++ b/common/crypto_test.go
@@ -88,6 +88,14 @@ func TestVerifyUtxoCoinSignature(t *testing.T) {
 			sign2:  "IFMFCCk781/sT/oHoUxL5oZpqQZlImQrhJ3odvkVWARcaK4EAl3XPEA/IVgxh6VaSLmMP/Wno1dxWdmxe2gcs3U=",
 			script: "522102f5c9ab0dd178eb44cd6baae7c1698ae23caec399d58da93a32509665113152742103729f817997a0442e6a39ee0c15f0cd3a17e55ef768ae6f055b2c323a1cba9eb121021e6568b58ef452791f56d0ba2f2ea1200c730f114ab88701833a0a2cf77ef09e53ae",
 		},
+		{
+			coin:   "BTC",
+			addr:   "3Dqq8D5NNfH28RM2kEGzLnhPYRuXDL6bu6",
+			msg:    "I am an Okcoin address",
+			sign1:  "ILLlcEugYiWkge8aS7cQqhHIhk7iVZU5VpJWG830lch7I02Psg3SM/2s1/YY0aWHhNvtcA3QAK0Wnj8NWOTugKA=",
+			sign2:  "IAhfztm0YG0yddgGanfbtA0XfB1kgp+UnHzKnfDyLn4BRnD5v6Q6vb/PgshH8i/gcfcgizdBbPUCIaFsXnP5Sag=",
+			script: "52210357df00444cf67ada94e25d6a6c6178b14beb6aa33147c74b43a629968d38b07521021922578fd9f4736d52effb0a2404b279557d8e442febd81b46d52eb17948b5462103f587f7297e4d5f8f58007a26cd5e7d83db4687421e08b97d3cbda9387959d6f453ae",
+		},
 	}
 
 	for _, tt := range args {
@@ -122,7 +130,13 @@ func TestVerifyEvmCoinSignature(t *testing.T) {
 			coin: "ETH",
 			addr: "0x8c3cb9665833fd9f79eb14cba16d82bbab6f22d8",
 			msg:  "I am an OKX address",
-			sign: "0xa2412073bf6b489c58e4937a4c5cdb3f35aff31bd76e643f56b303b3a0109f1461fe7497c64a66b1baecd6605d866b4d51ddd9e62fa1472c3ddb89a0dc27c7ae1c",
+			sign: "0xc75173a3ca53bcfeb7b2bfc16aed036191436085fe1a5c846f7021ae2baf5f81646b5089822399b6ee076bb59974ec6bd425954ca97bff084a74efeca0c8c8c61c",
+		},
+		{
+			coin: "ETH",
+			addr: "0xa28062bd708ce49e9311d6293def7df63f2b0816",
+			msg:  "I am an Okcoin address",
+			sign: "0x462950c4dbbc0f2fb36002ba7e5c2a98dfae7d89203f4dbf152e03304edb444d670c8bbacb78072c4dc1184db245401c73ee1395715afbb8dd600ba6a63e3abc1b",
 		},
 	}
 	for _, tt := range args {
diff --git a/docs/support_coins.md b/docs/support_coins.md
index 4222317..b5beb73 100644
--- a/docs/support_coins.md
+++ b/docs/support_coins.md
@@ -16,6 +16,7 @@
 | USDT     | Avalanche |
 | USDT     | Arbitrum  |
 | USDT     | Optimism  |
+| USDT     | OKC       |
 | USDC     | Ethereum  |
 | USDC     | OKC       |
 | USDC     | Polygon   |
@@ -50,6 +51,7 @@
 | USDT   | Avalanche        |
 | USDT   | Arbitrum         |
 | USDT   | Optimism         |
+| USDT   | OKC              |
 | USDC   | Ethereum         |
 | USDC   | OKC              |
 | USDC   | Tron             |
diff --git a/example/rpc.json b/example/rpc.json
index 8d68db8..495535e 100644
--- a/example/rpc.json
+++ b/example/rpc.json
@@ -970,6 +970,32 @@
         "tokenAddress": "",
         "enabled": false
       }
+    },
+    {
+      "name": "usdt-okc20",
+      "coin": "okc",
+      "api": {
+        "endpoint": "https://www.oklink.com/api/v5/explorer/block/address-balance-history",
+        "jsonPattern": "$.data[0].balance",
+        "defaultUnit": "OKT",
+        "tokenAddress": "0x382bB369d343125BfB2117af9c149795C6C65C50",
+        "customHeaders": {
+          "Ok-Access-Key": "e1fae3b0-07c3-4a5a-a29f-8cd55181fff3",
+          "Content-Type": "application/x-www-form-urlencoded",
+          "Accept": "*/*"
+        },
+        "enabled": true
+      },
+      "rpc": {
+        "endpoint": "",
+        "jsonPattern": "$.result",
+        "defaultUnit": "",
+        "customHeaders": {},
+        "authUser": "",
+        "authPassword": "",
+        "tokenAddress": "0x382bB369d343125BfB2117af9c149795C6C65C50",
+        "enabled": false
+      }
     }
   ]
 }
\ No newline at end of file