diff --git a/pkg/exchangerates/bank_of_israel_datasource.go b/pkg/exchangerates/bank_of_israel_datasource.go
index e05a031c..d3e6e122 100644
--- a/pkg/exchangerates/bank_of_israel_datasource.go
+++ b/pkg/exchangerates/bank_of_israel_datasource.go
@@ -1,10 +1,13 @@
 package exchangerates
 
 import (
+	"bytes"
 	"encoding/xml"
 	"math"
 	"time"
 
+	"golang.org/x/net/html/charset"
+
 	"github.com/mayswind/ezbookkeeping/pkg/core"
 	"github.com/mayswind/ezbookkeeping/pkg/errs"
 	"github.com/mayswind/ezbookkeeping/pkg/log"
@@ -127,8 +130,11 @@ func (e *BankOfIsraelDataSource) GetRequestUrls() []string {
 
 // Parse returns the common response entity according to the bank of Israel data source raw response
 func (e *BankOfIsraelDataSource) Parse(c core.Context, content []byte) (*models.LatestExchangeRateResponse, error) {
+	xmlDecoder := xml.NewDecoder(bytes.NewReader(content))
+	xmlDecoder.CharsetReader = charset.NewReaderLabel
+
 	bankOfIsraelData := &BankOfIsraelExchangeRateData{}
-	err := xml.Unmarshal(content, bankOfIsraelData)
+	err := xmlDecoder.Decode(bankOfIsraelData)
 
 	if err != nil {
 		log.Errorf(c, "[bank_of_israel_datasource.Parse] failed to parse xml data, content is %s, because %s", string(content), err.Error())
diff --git a/pkg/exchangerates/danmarks_national_bank_datasource.go b/pkg/exchangerates/danmarks_national_bank_datasource.go
index b37edada..1abfee8e 100644
--- a/pkg/exchangerates/danmarks_national_bank_datasource.go
+++ b/pkg/exchangerates/danmarks_national_bank_datasource.go
@@ -1,10 +1,13 @@
 package exchangerates
 
 import (
+	"bytes"
 	"encoding/xml"
 	"math"
 	"time"
 
+	"golang.org/x/net/html/charset"
+
 	"github.com/mayswind/ezbookkeeping/pkg/core"
 	"github.com/mayswind/ezbookkeeping/pkg/errs"
 	"github.com/mayswind/ezbookkeeping/pkg/log"
@@ -135,8 +138,11 @@ func (e *DanmarksNationalbankDataSource) GetRequestUrls() []string {
 
 // Parse returns the common response entity according to the Danmarks Nationalbank data source raw response
 func (e *DanmarksNationalbankDataSource) Parse(c core.Context, content []byte) (*models.LatestExchangeRateResponse, error) {
+	xmlDecoder := xml.NewDecoder(bytes.NewReader(content))
+	xmlDecoder.CharsetReader = charset.NewReaderLabel
+
 	danmarksNationalbankData := &DanmarksNationalbankExchangeRateData{}
-	err := xml.Unmarshal(content, danmarksNationalbankData)
+	err := xmlDecoder.Decode(danmarksNationalbankData)
 
 	if err != nil {
 		log.Errorf(c, "[danmarks_national_bank_datasource.Parse] failed to parse xml data, content is %s, because %s", string(content), err.Error())
diff --git a/pkg/exchangerates/euro_central_bank_datasource.go b/pkg/exchangerates/euro_central_bank_datasource.go
index a9eda8d7..a55ead0a 100644
--- a/pkg/exchangerates/euro_central_bank_datasource.go
+++ b/pkg/exchangerates/euro_central_bank_datasource.go
@@ -1,9 +1,12 @@
 package exchangerates
 
 import (
+	"bytes"
 	"encoding/xml"
 	"time"
 
+	"golang.org/x/net/html/charset"
+
 	"github.com/mayswind/ezbookkeeping/pkg/core"
 	"github.com/mayswind/ezbookkeeping/pkg/errs"
 	"github.com/mayswind/ezbookkeeping/pkg/log"
@@ -114,8 +117,11 @@ func (e *EuroCentralBankDataSource) GetRequestUrls() []string {
 
 // Parse returns the common response entity according to the euro central bank data source raw response
 func (e *EuroCentralBankDataSource) Parse(c core.Context, content []byte) (*models.LatestExchangeRateResponse, error) {
+	xmlDecoder := xml.NewDecoder(bytes.NewReader(content))
+	xmlDecoder.CharsetReader = charset.NewReaderLabel
+
 	euroCentralBankData := &EuroCentralBankExchangeRateData{}
-	err := xml.Unmarshal(content, euroCentralBankData)
+	err := xmlDecoder.Decode(euroCentralBankData)
 
 	if err != nil {
 		log.Errorf(c, "[euro_central_bank_datasource.Parse] failed to parse xml data, content is %s, because %s", string(content), err.Error())
diff --git a/pkg/exchangerates/national_bank_of_poland_datasource.go b/pkg/exchangerates/national_bank_of_poland_datasource.go
index fd8860e8..ea7e60b9 100644
--- a/pkg/exchangerates/national_bank_of_poland_datasource.go
+++ b/pkg/exchangerates/national_bank_of_poland_datasource.go
@@ -127,11 +127,11 @@ func (e *NationalBankOfPolandDataSource) GetRequestUrls() []string {
 
 // Parse returns the common response entity according to the National Bank of Poland data source raw response
 func (e *NationalBankOfPolandDataSource) Parse(c core.Context, content []byte) (*models.LatestExchangeRateResponse, error) {
-	nationalBankOfPolandData := &NationalBankOfPolandExchangeRateData{}
-
 	xmlDecoder := xml.NewDecoder(bytes.NewReader(content))
 	xmlDecoder.CharsetReader = charset.NewReaderLabel
-	err := xmlDecoder.Decode(&nationalBankOfPolandData)
+	
+	nationalBankOfPolandData := &NationalBankOfPolandExchangeRateData{}
+	err := xmlDecoder.Decode(nationalBankOfPolandData)
 
 	if err != nil {
 		log.Errorf(c, "[national_bank_of_poland_datasource.Parse] failed to parse xml data, content is %s, because %s", string(content), err.Error())
diff --git a/pkg/exchangerates/national_bank_of_romania_datasource.go b/pkg/exchangerates/national_bank_of_romania_datasource.go
index fee4b62d..483b6800 100644
--- a/pkg/exchangerates/national_bank_of_romania_datasource.go
+++ b/pkg/exchangerates/national_bank_of_romania_datasource.go
@@ -1,10 +1,13 @@
 package exchangerates
 
 import (
+	"bytes"
 	"encoding/xml"
 	"math"
 	"time"
 
+	"golang.org/x/net/html/charset"
+
 	"github.com/mayswind/ezbookkeeping/pkg/core"
 	"github.com/mayswind/ezbookkeeping/pkg/errs"
 	"github.com/mayswind/ezbookkeeping/pkg/log"
@@ -163,8 +166,11 @@ func (e *NationalBankOfRomaniaDataSource) GetRequestUrls() []string {
 
 // Parse returns the common response entity according to the national bank of Romania data source raw response
 func (e *NationalBankOfRomaniaDataSource) Parse(c core.Context, content []byte) (*models.LatestExchangeRateResponse, error) {
+	xmlDecoder := xml.NewDecoder(bytes.NewReader(content))
+	xmlDecoder.CharsetReader = charset.NewReaderLabel
+
 	nationalBankOfRomaniaData := &NationalBankOfRomaniaExchangeRateData{}
-	err := xml.Unmarshal(content, nationalBankOfRomaniaData)
+	err := xmlDecoder.Decode(nationalBankOfRomaniaData)
 
 	if err != nil {
 		log.Errorf(c, "[national_bank_of_romania_datasource.Parse] failed to parse xml data, content is %s, because %s", string(content), err.Error())
diff --git a/pkg/exchangerates/norges_bank_datasource.go b/pkg/exchangerates/norges_bank_datasource.go
index 37cac009..43be8a27 100644
--- a/pkg/exchangerates/norges_bank_datasource.go
+++ b/pkg/exchangerates/norges_bank_datasource.go
@@ -1,10 +1,13 @@
 package exchangerates
 
 import (
+	"bytes"
 	"encoding/xml"
 	"math"
 	"time"
 
+	"golang.org/x/net/html/charset"
+
 	"github.com/mayswind/ezbookkeeping/pkg/core"
 	"github.com/mayswind/ezbookkeeping/pkg/errs"
 	"github.com/mayswind/ezbookkeeping/pkg/log"
@@ -159,8 +162,11 @@ func (e *NorgesBankDataSource) GetRequestUrls() []string {
 
 // Parse returns the common response entity according to the Norges Bank data source raw response
 func (e *NorgesBankDataSource) Parse(c core.Context, content []byte) (*models.LatestExchangeRateResponse, error) {
+	xmlDecoder := xml.NewDecoder(bytes.NewReader(content))
+	xmlDecoder.CharsetReader = charset.NewReaderLabel
+
 	norgesBankData := &NorgesBankExchangeRateData{}
-	err := xml.Unmarshal(content, norgesBankData)
+	err := xmlDecoder.Decode(norgesBankData)
 
 	if err != nil {
 		log.Errorf(c, "[norges_bank_datasource.Parse] failed to parse xml data, content is %s, because %s", string(content), err.Error())
diff --git a/pkg/exchangerates/reserve_bank_of_australia_datasource.go b/pkg/exchangerates/reserve_bank_of_australia_datasource.go
index 7dbd4f89..ff384415 100644
--- a/pkg/exchangerates/reserve_bank_of_australia_datasource.go
+++ b/pkg/exchangerates/reserve_bank_of_australia_datasource.go
@@ -1,9 +1,12 @@
 package exchangerates
 
 import (
+	"bytes"
 	"encoding/xml"
 	"time"
 
+	"golang.org/x/net/html/charset"
+
 	"github.com/mayswind/ezbookkeeping/pkg/core"
 	"github.com/mayswind/ezbookkeeping/pkg/errs"
 	"github.com/mayswind/ezbookkeeping/pkg/log"
@@ -129,8 +132,11 @@ func (e *ReserveBankOfAustraliaDataSource) GetRequestUrls() []string {
 
 // Parse returns the common response entity according to the the reserve bank of Australia data source raw response
 func (e *ReserveBankOfAustraliaDataSource) Parse(c core.Context, content []byte) (*models.LatestExchangeRateResponse, error) {
+	xmlDecoder := xml.NewDecoder(bytes.NewReader(content))
+	xmlDecoder.CharsetReader = charset.NewReaderLabel
+
 	reserveBankOfAustraliaData := &ReserveBankOfAustraliaData{}
-	err := xml.Unmarshal(content, reserveBankOfAustraliaData)
+	err := xmlDecoder.Decode(reserveBankOfAustraliaData)
 
 	if err != nil {
 		log.Errorf(c, "[reserve_bank_of_australia_datasource.Parse] failed to parse xml data, content is %s, because %s", string(content), err.Error())
diff --git a/pkg/exchangerates/swiss_national_bank_datasource.go b/pkg/exchangerates/swiss_national_bank_datasource.go
index 44c511fe..69da8c1a 100644
--- a/pkg/exchangerates/swiss_national_bank_datasource.go
+++ b/pkg/exchangerates/swiss_national_bank_datasource.go
@@ -1,10 +1,13 @@
 package exchangerates
 
 import (
+	"bytes"
 	"encoding/xml"
 	"math"
 	"time"
 
+	"golang.org/x/net/html/charset"
+
 	"github.com/mayswind/ezbookkeeping/pkg/core"
 	"github.com/mayswind/ezbookkeeping/pkg/errs"
 	"github.com/mayswind/ezbookkeeping/pkg/log"
@@ -189,8 +192,11 @@ func (e *SwissNationalBankDataSource) GetRequestUrls() []string {
 
 // Parse returns the common response entity according to the the reserve Swiss National Bank data source raw response
 func (e *SwissNationalBankDataSource) Parse(c core.Context, content []byte) (*models.LatestExchangeRateResponse, error) {
+	xmlDecoder := xml.NewDecoder(bytes.NewReader(content))
+	xmlDecoder.CharsetReader = charset.NewReaderLabel
+
 	swissNationalBankData := &SwissNationalBankData{}
-	err := xml.Unmarshal(content, swissNationalBankData)
+	err := xmlDecoder.Decode(swissNationalBankData)
 
 	if err != nil {
 		log.Errorf(c, "[swiss_national_bank_datasource.Parse] failed to parse xml data, content is %s, because %s", string(content), err.Error())