diff --git a/lib/core/utils/ctx/ctx.go b/lib/core/utils/ctx/ctx.go
index dac758b1..2fed7d50 100644
--- a/lib/core/utils/ctx/ctx.go
+++ b/lib/core/utils/ctx/ctx.go
@@ -128,7 +128,7 @@ func LoginUser(r *http.Request) (vo.LoginUser, error) {
 	if v != nil {
 		return v.(vo.LoginUser), nil
 	}
-	return vo.LoginUser{}, fmt.Errorf("无用户信息")
+	return vo.LoginUser{}, fmt.Errorf("No user information")
 }
 
 // LoginUserToUserID 登录用户信息-用户ID
diff --git a/lib/dborm/dborm.go b/lib/dborm/dborm.go
index b8c69f8b..3bc0ebd3 100644
--- a/lib/dborm/dborm.go
+++ b/lib/dborm/dborm.go
@@ -820,12 +820,13 @@ func XormCheckLoginUser(name, password, cryptArgo string) (bool, *User, error) {
 			return false, nil, err
 		}
 		if oauth.BcryptCompare(user.Password, password) != nil {
-			err := errors.New("用户名或密码错误")
+			err := errors.New("Incorrect user name or password")
 			log.Error(err)
 			// 记录错误
 			errCoutn := pwdErrCountAdd(user.AccountId, user.Profile, false)
 			if errCoutn > 3 {
-				return false, nil, errors.New("登录失败次数过多，请30分钟后重试")
+				// 登录失败次数过多，请30分钟后重试
+				return false, nil, errors.New("Login failed too many times, please retry after 30 minutes")
 			}
 			return false, nil, err
 		}
@@ -841,9 +842,9 @@ func XormCheckLoginUser(name, password, cryptArgo string) (bool, *User, error) {
 	errMsg := ""
 	switch user.Status {
 	case "Closed":
-		errMsg = "账户已禁用"
+		errMsg = "Account disabled" // 账户已禁用
 	case "Locked":
-		errMsg = "账户已锁定"
+		errMsg = "Account locked" // 账户已锁定
 	case "Pending":
 		// 	errMsg = "账户已挂起"
 		_, err := xEngine.Exec("UPDATE user SET status = 'Active' WHERE account_id = ?", user.AccountId)
@@ -865,7 +866,7 @@ func XormCheckLoginUser(name, password, cryptArgo string) (bool, *User, error) {
 				return false, nil, err
 			}
 			if t.Before(time.Now()) {
-				errMsg := "密码到期时间"
+				errMsg := "Password expiration time" // 密码到期时间
 				// 读取配置信息
 				result, err := XormGetConfig("Security", "pwdStrong")
 				if err != nil {
@@ -893,7 +894,7 @@ func XormCheckLoginUser(name, password, cryptArgo string) (bool, *User, error) {
 				return false, nil, err
 			}
 			if t.Before(time.Now()) {
-				errMsg := "用户账户到期"
+				errMsg := "User account expiration" // 用户账户到期
 				log.Error("UserExpiration:%s", errMsg)
 				return false, nil, errors.New(errMsg)
 			}
diff --git a/lib/routes/routes.go b/lib/routes/routes.go
index edda7df8..886fb54a 100644
--- a/lib/routes/routes.go
+++ b/lib/routes/routes.go
@@ -139,9 +139,9 @@ func init() {
 
 	// parameter config management
 	Register("GET", cm.ParamConfigUri, cm.GetParamConfigFromNF, nil)
-	Register("POST", cm.ParamConfigUri, cm.PostParamConfigToNF, midware.LogOperate(collectlogs.OptionNew("Parameter config management", collectlogs.BUSINESS_TYPE_INSERT)))
-	Register("PUT", cm.ParamConfigUri, cm.PutParamConfigToNF, midware.LogOperate(collectlogs.OptionNew("Parameter config management", collectlogs.BUSINESS_TYPE_UPDATE)))
-	Register("DELETE", cm.ParamConfigUri, cm.DeleteParamConfigToNF, midware.LogOperate(collectlogs.OptionNew("Parameter config management", collectlogs.BUSINESS_TYPE_INSERT)))
+	Register("POST", cm.ParamConfigUri, cm.PostParamConfigToNF, midware.LogOperate(collectlogs.OptionNew("Parameter Config", collectlogs.BUSINESS_TYPE_INSERT)))
+	Register("PUT", cm.ParamConfigUri, cm.PutParamConfigToNF, midware.LogOperate(collectlogs.OptionNew("Parameter Config", collectlogs.BUSINESS_TYPE_UPDATE)))
+	Register("DELETE", cm.ParamConfigUri, cm.DeleteParamConfigToNF, midware.LogOperate(collectlogs.OptionNew("Parameter Config", collectlogs.BUSINESS_TYPE_INSERT)))
 
 	Register("GET", cm.CustomParamConfigUri, cm.GetParamConfigFromNF, nil)
 	Register("POST", cm.CustomParamConfigUri, cm.PostParamConfigToNF, nil)
@@ -150,9 +150,9 @@ func init() {
 
 	// Get/Create/Modify/Delete NE info
 	Register("GET", cm.UriNeInfo, cm.GetNeInfo, nil)
-	Register("POST", cm.UriNeInfo, cm.PostNeInfo, midware.LogOperate(collectlogs.OptionNew("NE info", collectlogs.BUSINESS_TYPE_INSERT)))
-	Register("PUT", cm.UriNeInfo, cm.PutNeInfo, midware.LogOperate(collectlogs.OptionNew("NE info", collectlogs.BUSINESS_TYPE_UPDATE)))
-	Register("DELETE", cm.UriNeInfo, cm.DeleteNeInfo, midware.LogOperate(collectlogs.OptionNew("NE info", collectlogs.BUSINESS_TYPE_DELETE)))
+	Register("POST", cm.UriNeInfo, cm.PostNeInfo, midware.LogOperate(collectlogs.OptionNew("NE Info", collectlogs.BUSINESS_TYPE_INSERT)))
+	Register("PUT", cm.UriNeInfo, cm.PutNeInfo, midware.LogOperate(collectlogs.OptionNew("NE Info", collectlogs.BUSINESS_TYPE_UPDATE)))
+	Register("DELETE", cm.UriNeInfo, cm.DeleteNeInfo, midware.LogOperate(collectlogs.OptionNew("NE Info", collectlogs.BUSINESS_TYPE_DELETE)))
 
 	// Get/Create/Modify/Delete NE info
 	Register("GET", cm.CustomUriNeInfo, cm.GetNeInfo, nil)
@@ -191,12 +191,12 @@ func init() {
 	// Software management
 	Register("GET", cm.UriSoftware, cm.DownloadSoftwareFile, nil)
 	//Register("POST", cm.UriSoftware, cm.UploadSoftwareFile, nil)
-	Register("POST", cm.UriSoftware, cm.UploadSoftwareMultiFile, midware.LogOperate(collectlogs.OptionNew("Software management", collectlogs.BUSINESS_TYPE_UPDATE)))
-	Register("DELETE", cm.UriSoftware, cm.DeleteSoftwareFile, midware.LogOperate(collectlogs.OptionNew("Software management", collectlogs.BUSINESS_TYPE_DELETE)))
+	Register("POST", cm.UriSoftware, cm.UploadSoftwareMultiFile, midware.LogOperate(collectlogs.OptionNew("Software", collectlogs.BUSINESS_TYPE_UPDATE)))
+	Register("DELETE", cm.UriSoftware, cm.DeleteSoftwareFile, midware.LogOperate(collectlogs.OptionNew("Software", collectlogs.BUSINESS_TYPE_DELETE)))
 
-	Register("POST", cm.UriSoftwareNE, cm.DistributeSoftwareToNF, midware.LogOperate(collectlogs.OptionNew("Software management", collectlogs.BUSINESS_TYPE_OTHER)))
-	Register("PUT", cm.UriSoftwareNE, cm.ActiveSoftwareToNF, midware.LogOperate(collectlogs.OptionNew("Software management", collectlogs.BUSINESS_TYPE_OTHER)))
-	Register("PATCH", cm.UriSoftwareNE, cm.RollBackSoftwareToNF, midware.LogOperate(collectlogs.OptionNew("Software management", collectlogs.BUSINESS_TYPE_OTHER)))
+	Register("POST", cm.UriSoftwareNE, cm.DistributeSoftwareToNF, midware.LogOperate(collectlogs.OptionNew("Software", collectlogs.BUSINESS_TYPE_OTHER)))
+	Register("PUT", cm.UriSoftwareNE, cm.ActiveSoftwareToNF, midware.LogOperate(collectlogs.OptionNew("Software", collectlogs.BUSINESS_TYPE_OTHER)))
+	Register("PATCH", cm.UriSoftwareNE, cm.RollBackSoftwareToNF, midware.LogOperate(collectlogs.OptionNew("Software", collectlogs.BUSINESS_TYPE_OTHER)))
 
 	Register("GET", cm.CustomUriSoftware, cm.DownloadSoftwareFile, nil)
 	Register("POST", cm.CustomUriSoftware, cm.UploadSoftwareFile, nil)
@@ -207,8 +207,8 @@ func init() {
 	Register("PATCH", cm.CustomUriSoftwareNE, cm.RollBackSoftwareToNF, nil)
 
 	// License management
-	Register("POST", cm.UriLicense, cm.UploadLicenseFileData, midware.LogOperate(collectlogs.OptionNew("License management", collectlogs.BUSINESS_TYPE_INSERT)))
-	Register("POST", cm.UriLicenseExt, cm.UploadLicenseFileData, midware.LogOperate(collectlogs.OptionNew("License management", collectlogs.BUSINESS_TYPE_INSERT)))
+	Register("POST", cm.UriLicense, cm.UploadLicenseFileData, midware.LogOperate(collectlogs.OptionNew("License", collectlogs.BUSINESS_TYPE_INSERT)))
+	Register("POST", cm.UriLicenseExt, cm.UploadLicenseFileData, midware.LogOperate(collectlogs.OptionNew("License", collectlogs.BUSINESS_TYPE_INSERT)))
 
 	Register("POST", cm.CustomUriLicense, cm.UploadLicenseFileData, nil)
 	Register("POST", cm.CustomUriLicenseExt, cm.UploadLicenseFileData, nil)
@@ -224,19 +224,19 @@ func init() {
 	Register("DELETE", trace.CustomUriTraceTask, trace.DeleteTraceTaskToNF, nil)
 
 	// 网元发送执行 pcap抓包任务
-	Register("POST", trace.UriTcpdumpTask, trace.TcpdumpNeTask, midware.LogOperate(collectlogs.OptionNew("Packet capturing task", collectlogs.BUSINESS_TYPE_INSERT)))
-	Register("POST", trace.CustomUriTcpdumpTask, trace.TcpdumpNeTask, midware.LogOperate(collectlogs.OptionNew("Packet capturing task", collectlogs.BUSINESS_TYPE_INSERT)))
+	Register("POST", trace.UriTcpdumpTask, trace.TcpdumpNeTask, midware.LogOperate(collectlogs.OptionNew("Packet Capturing Task", collectlogs.BUSINESS_TYPE_INSERT)))
+	Register("POST", trace.CustomUriTcpdumpTask, trace.TcpdumpNeTask, midware.LogOperate(collectlogs.OptionNew("Packet Capturing Task", collectlogs.BUSINESS_TYPE_INSERT)))
 	// 网元发送执行 抓包下载pcap文件
-	Register("POST", trace.UriTcpdumpPcapDownload, trace.TcpdumpPcapDownload, midware.LogOperate(collectlogs.OptionNew("Packet capturing task", collectlogs.BUSINESS_TYPE_EXPORT)))
-	Register("POST", trace.CustomUriTcpdumpPcapDownload, trace.TcpdumpPcapDownload, midware.LogOperate(collectlogs.OptionNew("Packet capturing task", collectlogs.BUSINESS_TYPE_EXPORT)))
+	Register("POST", trace.UriTcpdumpPcapDownload, trace.TcpdumpPcapDownload, midware.LogOperate(collectlogs.OptionNew("Packet Capturing Task", collectlogs.BUSINESS_TYPE_EXPORT)))
+	Register("POST", trace.CustomUriTcpdumpPcapDownload, trace.TcpdumpPcapDownload, midware.LogOperate(collectlogs.OptionNew("Packet Capturing Task", collectlogs.BUSINESS_TYPE_EXPORT)))
 	// 网元发送执行UPF pcap抓包
-	Register("POST", trace.UriTcpdumpNeUPFTask, trace.TcpdumpNeUPFTask, midware.LogOperate(collectlogs.OptionNew("Packet capturing task", collectlogs.BUSINESS_TYPE_INSERT)))
-	Register("POST", trace.CustomUriTcpdumpNeUPFTask, trace.TcpdumpNeUPFTask, midware.LogOperate(collectlogs.OptionNew("Packet capturing task", collectlogs.BUSINESS_TYPE_INSERT)))
+	Register("POST", trace.UriTcpdumpNeUPFTask, trace.TcpdumpNeUPFTask, midware.LogOperate(collectlogs.OptionNew("Packet Capturing Task", collectlogs.BUSINESS_TYPE_INSERT)))
+	Register("POST", trace.CustomUriTcpdumpNeUPFTask, trace.TcpdumpNeUPFTask, midware.LogOperate(collectlogs.OptionNew("Packet Capturing Task", collectlogs.BUSINESS_TYPE_INSERT)))
 
 	// file management
-	Register("POST", file.UriFile, file.UploadFile, midware.LogOperate(collectlogs.OptionNew("File management", collectlogs.BUSINESS_TYPE_INSERT)))
-	Register("GET", file.UriFile, file.DownloadFile, midware.LogOperate(collectlogs.OptionNew("File management", collectlogs.BUSINESS_TYPE_OTHER)))
-	Register("DELETE", file.UriFile, file.DeleteFile, midware.LogOperate(collectlogs.OptionNew("File management", collectlogs.BUSINESS_TYPE_DELETE)))
+	Register("POST", file.UriFile, file.UploadFile, midware.LogOperate(collectlogs.OptionNew("File", collectlogs.BUSINESS_TYPE_INSERT)))
+	Register("GET", file.UriFile, file.DownloadFile, midware.LogOperate(collectlogs.OptionNew("File", collectlogs.BUSINESS_TYPE_OTHER)))
+	Register("DELETE", file.UriFile, file.DeleteFile, midware.LogOperate(collectlogs.OptionNew("File", collectlogs.BUSINESS_TYPE_DELETE)))
 
 	Register("POST", file.CustomUriFile, file.UploadFile, nil)
 	Register("GET", file.CustomUriFile, file.DownloadFile, nil)
diff --git a/lib/services/file.go b/lib/services/file.go
index fef202da..14841038 100644
--- a/lib/services/file.go
+++ b/lib/services/file.go
@@ -3,7 +3,6 @@ package services
 import (
 	"bufio"
 	"bytes"
-	"errors"
 	"fmt"
 	"io"
 	"mime/multipart"
@@ -220,7 +219,7 @@ func HandleUploadFormFile(w http.ResponseWriter, r *http.Request) {
 	r.ParseMultipartForm(32 << 20)
 	//mForm := r.MultipartForm
 
-	for k, _ := range r.MultipartForm.File {
+	for k := range r.MultipartForm.File {
 		// k is the key of file part
 		file, fileHeader, err := r.FormFile(k)
 		if err != nil {
@@ -253,7 +252,7 @@ func PostFileHandler(w http.ResponseWriter, r *http.Request) {
 	if !strings.Contains(r.Header.Get("Content-Type"), "multipart/form-data") {
 		// 不支持的 Content-Type 类型
 		fmt.Println("Invalid Content-Type: ", r.Header.Get("Content-Type"))
-		http.Error(w, " 不支持的 Content-Type 类型", http.StatusBadRequest)
+		http.Error(w, " Unsupported Content-Type Types", http.StatusBadRequest)
 		return
 	}
 
@@ -284,7 +283,8 @@ func PostFileHandler(w http.ResponseWriter, r *http.Request) {
 		var buf = &bytes.Buffer{}
 		// 非文件字段部分大小限制验证（非文件字段，go中filename会是空）
 		if fileName == "" {
-			var limitError = "请求主体中非文件字段" + formName + "超出大小限制"
+			// "请求主体中非文件字段" + formName + "超出大小限制"
+			var limitError = fmt.Sprintf("Non-file field %s in request body exceeds size limit", formName)
 			err = uploadSizeLimit(buf, part, ValuesMax, limitError)
 			if err != nil {
 				http.Error(w, err.Error(), http.StatusBadRequest)
@@ -294,7 +294,8 @@ func PostFileHandler(w http.ResponseWriter, r *http.Request) {
 		}
 
 		// 文件字段部分大小限制验证
-		var limitError = "请求主体中文件字段" + fileName + "超出大小限制"
+		// "请求主体中文件字段" + fileName + "超出大小限制"
+		var limitError = fmt.Sprintf("File field %s in request body exceeds size limit", fileName)
 		err = uploadSizeLimit(buf, part, FilesMax, limitError)
 		if err != nil {
 			http.Error(w, err.Error(), http.StatusBadRequest)
@@ -310,9 +311,11 @@ func PostFileHandler(w http.ResponseWriter, r *http.Request) {
 		// 非逻辑内容，仅为测试使用
 		var chunkNumber = r.Header.Get("chunk-number")
 		if chunkNumber == "" {
-			http.Error(w, "文件"+fileName+"上传成功", http.StatusOK)
+			// "文件"+fileName+"上传成功"
+			http.Error(w, fmt.Sprintf("File %s uploaded successfully", fileName), http.StatusOK)
 		} else {
-			http.Error(w, "分片文件"+fileName+chunkNumber+"上传成功", http.StatusOK)
+			// "分片文件 %s %s 上传成功"
+			http.Error(w, fmt.Sprintf("Sliced file %s %s uploaded successfully.", fileName, chunkNumber), http.StatusOK)
 		}
 	}
 }
@@ -326,7 +329,7 @@ func uploadSizeLimit(buf *bytes.Buffer, part *multipart.Part, maxLimit int64, li
 	}
 	maxLimit -= n
 	if maxLimit < 0 {
-		return errors.New(limitError)
+		return fmt.Errorf(limitError)
 	}
 	return nil
 }
diff --git a/lib/services/services.go b/lib/services/services.go
index 44b3c6e3..4024e904 100644
--- a/lib/services/services.go
+++ b/lib/services/services.go
@@ -138,20 +138,14 @@ func ExtGetUriPageLimitString(r *http.Request) string {
 }
 
 func IsJsonContentType(r *http.Request) bool {
-	if strings.Contains(r.Header.Get("Content-Type"), "application/json") {
-		return true
-	}
-	return false
+	hType := r.Header.Get("Content-Type")
+	return strings.Contains(hType, "application/json")
 }
 
 func IsValidOAuthUri(r *http.Request) bool {
 	vars := mux.Vars(r)
 	apiVer := vars["apiVersion"] // 获取Uri
-	if apiVer != "v1" {
-		return false
-	}
-
-	return true
+	return apiVer == "v1"
 }
 
 func IsVallidContentType(r *http.Request, checkFlag bool) bool {
@@ -386,7 +380,7 @@ func CheckCommonValidRequest(w http.ResponseWriter, r *http.Request) (string, er
 	// error processing ...
 	// 401-1 response
 	token, ret = oauth.IsCarriedToken(r)
-	if ret == false {
+	if !ret {
 		log.Error("accessToken is not carried")
 		ResponseUnauthorized401AccessTokenNotCarried(w)
 		return token, err
diff --git a/lib/session/session.go b/lib/session/session.go
index 1d186752..c2d09679 100644
--- a/lib/session/session.go
+++ b/lib/session/session.go
@@ -3,7 +3,7 @@ package session
 import (
 	"crypto/rand"
 	"encoding/base64"
-	"errors"
+	"fmt"
 	"io"
 	"net/http"
 	"strconv"
@@ -89,7 +89,7 @@ func (smgr *SessManager) SetSessionValue(token string, key interface{}, value in
 		session.values[key] = value
 		return nil
 	}
-	return errors.New("invalid session ID")
+	return fmt.Errorf("invalid session ID")
 }
 
 // GetSessionValue get value fo session
@@ -101,7 +101,7 @@ func (smgr *SessManager) GetSessionValue(token string, key interface{}) (interfa
 			return val, nil
 		}
 	}
-	return nil, errors.New("invalid session ID")
+	return nil, fmt.Errorf("invalid session ID")
 }
 
 func (smgr *SessManager) GetTokenFromHttpRequest(r *http.Request) string {
@@ -111,7 +111,6 @@ func (smgr *SessManager) GetTokenFromHttpRequest(r *http.Request) string {
 			return v[0]
 		}
 	}
-
 	return ""
 }