diff --git a/common/price_compoent/price_util.go b/common/price_compoent/price_util.go
index 287588e..59ab5e5 100644
--- a/common/price_compoent/price_util.go
+++ b/common/price_compoent/price_util.go
@@ -45,9 +45,9 @@ func GetPriceUsd(tokenType global_const.TokenType) (float64, error) {
 	if global_const.IsStableToken(tokenType) {
 		return 1, nil
 	}
-	//if tokenType == global_const.ETH {
-	//	return 3100, nil
-	//}
+	if tokenType == global_const.TokenTypeETH {
+		return 3500, nil
+	}
 	tokenUrl, ok := URLMap[tokenType]
 	if !ok {
 		return 0, xerrors.Errorf("tokens type [%w] not found", tokenType)
@@ -76,7 +76,7 @@ func GetPriceUsd(tokenType global_const.TokenType) (float64, error) {
 	return strconv.ParseFloat(usdstr, 64)
 }
 
-// GetToken Get The FromToken/ToToken Rate
+// GetToken Get The FromToken/ToToken Ratew
 func GetToken(fromToken global_const.TokenType, toToken global_const.TokenType) (float64, error) {
 	if toToken == global_const.TokenTypeUSDT {
 		return GetPriceUsd(fromToken)
diff --git a/rpc_server/api/v1/paymaster.go b/rpc_server/api/v1/paymaster.go
index 94b046c..0df5ba8 100644
--- a/rpc_server/api/v1/paymaster.go
+++ b/rpc_server/api/v1/paymaster.go
@@ -165,10 +165,12 @@ func parseTryPayUserOperationParams(params []interface{}) (*model.UserOpRequest,
 	}
 
 	if extra["token"] != nil {
-		result.UserPayErc20Token = extra["token"].(global_const.TokenType)
+		tokenStr := extra["token"].(string)
+		result.UserPayErc20Token = global_const.TokenType(tokenStr)
 	}
 	if extra["version"] != nil {
-		result.EntryPointVersion = extra["version"].(global_const.EntrypointVersion)
+		versionStr := extra["version"].(string)
+		result.EntryPointVersion = global_const.EntrypointVersion(versionStr)
 	}
 	return &result, nil
 }