diff --git a/internal/accesslogs/storage_base.go b/internal/accesslogs/storage_base.go
index f125d617..fe7af2ba 100644
--- a/internal/accesslogs/storage_base.go
+++ b/internal/accesslogs/storage_base.go
@@ -44,7 +44,7 @@ func (this *BaseStorage) Marshal(accessLog *pb.HTTPAccessLog) ([]byte, error) {
 
 // FormatVariables 格式化字符串中的变量
 func (this *BaseStorage) FormatVariables(s string) string {
-	now := time.Now()
+	var now = time.Now()
 	return configutils.ParseVariables(s, func(varName string) (value string) {
 		switch varName {
 		case "year":
diff --git a/internal/accesslogs/storage_syslog.go b/internal/accesslogs/storage_syslog.go
index 4ddc60e7..2c878a3a 100644
--- a/internal/accesslogs/storage_syslog.go
+++ b/internal/accesslogs/storage_syslog.go
@@ -1,7 +1,9 @@
 package accesslogs
 
 import (
+	"bytes"
 	"errors"
+	"github.com/TeaOSLab/EdgeAPI/internal/remotelogs"
 	"github.com/TeaOSLab/EdgeCommon/pkg/rpc/pb"
 	"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs"
 	"github.com/iwind/TeaGo/logs"
@@ -95,7 +97,10 @@ func (this *SyslogStorage) Write(accessLogs []*pb.HTTPAccessLog) error {
 
 	args = append(args, "-S", "10240")
 
-	cmd := exec.Command(this.exe, args...)
+	var cmd = exec.Command(this.exe, args...)
+	var stderrBuffer = &bytes.Buffer{}
+	cmd.Stderr = stderrBuffer
+
 	w, err := cmd.StdinPipe()
 	if err != nil {
 		return err
@@ -111,7 +116,7 @@ func (this *SyslogStorage) Write(accessLogs []*pb.HTTPAccessLog) error {
 		}
 		data, err := this.Marshal(accessLog)
 		if err != nil {
-			logs.Error(err)
+			remotelogs.Error("ACCESS_LOG_POLICY_SYSLOG", "marshal accesslog failed: "+err.Error())
 			continue
 		}
 		_, err = w.Write(data)
@@ -121,14 +126,15 @@ func (this *SyslogStorage) Write(accessLogs []*pb.HTTPAccessLog) error {
 
 		_, err = w.Write([]byte("\n"))
 		if err != nil {
-			logs.Error(err)
+			remotelogs.Error("ACCESS_LOG_POLICY_SYSLOG", "write accesslog failed: "+err.Error())
 		}
 	}
 
 	_ = w.Close()
+
 	err = cmd.Wait()
 	if err != nil {
-		return err
+		return errors.New("send syslog failed: " + err.Error() + ", stderr: " + stderrBuffer.String())
 	}
 
 	return nil
diff --git a/internal/const/const.go b/internal/const/const.go
index 0904b532..8f800212 100644
--- a/internal/const/const.go
+++ b/internal/const/const.go
@@ -22,7 +22,7 @@ const (
 	UserNodeVersion      = "0.3.4"
 	AuthorityNodeVersion = "0.0.2"
 	MonitorNodeVersion   = "0.0.3"
-	DNSNodeVersion       = "0.2.2"
+	DNSNodeVersion       = "0.2.3"
 	ReportNodeVersion    = "0.1.0"
 
 	// SQLVersion SQL版本号
diff --git a/internal/nodes/api_node.go b/internal/nodes/api_node.go
index 6a522cc2..18709163 100644
--- a/internal/nodes/api_node.go
+++ b/internal/nodes/api_node.go
@@ -5,7 +5,6 @@ import (
 	"crypto/tls"
 	"encoding/json"
 	"errors"
-	"fmt"
 	"github.com/TeaOSLab/EdgeAPI/internal/accesslogs"
 	"github.com/TeaOSLab/EdgeAPI/internal/configs"
 	teaconst "github.com/TeaOSLab/EdgeAPI/internal/const"
@@ -292,7 +291,7 @@ func (this *APINode) checkDB() error {
 					return err
 				} else {
 					if i%10 == 0 { // 这让提示不会太多
-						logs.Println("[API_NODE]reconnecting to database (" + fmt.Sprintf("%.1f", float32(i*100)/float32(maxTries+1)) + "%) ...")
+						logs.Println("[API_NODE]check database connection failed: " + err.Error() + ", reconnecting to database ...")
 					}
 					time.Sleep(1 * time.Second)
 				}
@@ -764,8 +763,8 @@ func (this *APINode) dbIssueSuggestion(errString string) string {
 	}
 
 	// 权限错误
-	if strings.Contains(errString, "Error 1045") {
-		return "使用的用户和密码没有权限连接到指定数据库，请检查：数据库配置文件中的用户名（" + dsnConfig.User + "）和密码（" + dsnConfig.Passwd + "）是否正确；（当前数据库配置为：" + dsn + "，配置文件位置：" + dbConfigPath + "）。"
+	if strings.Contains(errString, "Error 1045") || strings.Contains(errString, "Error 1044") {
+		return "使用的用户和密码没有权限连接到指定数据库，请检查：1）数据库配置文件中的用户名（" + dsnConfig.User + "）和密码（" + dsnConfig.Passwd + "）是否正确；2）使用的用户是否已经在数据库中设置了正确的权限；（当前数据库配置为：" + dsn + "，配置文件位置：" + dbConfigPath + "）。"
 	}
 
 	// 数据库名称错误