diff --git a/backend/app/service/app.go b/backend/app/service/app.go
index 5241e13cf..f8915161a 100644
--- a/backend/app/service/app.go
+++ b/backend/app/service/app.go
@@ -305,10 +305,10 @@ func (a AppService) SyncInstalled(installId uint) error {
 }
 
 func (a AppService) SyncAppList() error {
-	//if err := getAppFromOss(); err != nil {
-	//	global.LOG.Errorf("get app from oss  error: %s", err.Error())
-	//	return err
-	//}
+	if err := getAppFromOss(); err != nil {
+		global.LOG.Errorf("get app from oss  error: %s", err.Error())
+		return err
+	}
 
 	appDir := constant.AppResourceDir
 	listFile := path.Join(appDir, "list.json")
diff --git a/backend/app/service/app_utils.go b/backend/app/service/app_utils.go
index 85c89fc0c..cc400af06 100644
--- a/backend/app/service/app_utils.go
+++ b/backend/app/service/app_utils.go
@@ -138,15 +138,6 @@ func createLink(ctx context.Context, app model.App, appInstall *model.AppInstall
 		if err := mysqlRepo.Create(ctx, &database); err != nil {
 			return err
 		}
-		//var database model.AppDatabase
-		//database.Dbname = dbConfig.DbName
-		//database.Username = dbConfig.DbUser
-		//database.Password = dbConfig.Password
-		//database.AppInstallId = dbInstall.ID
-		//database.Key = dbInstall.App.Key
-		//if err := dataBaseRepo.Create(ctx, &database); err != nil {
-		//	return err
-		//}
 		var installResource model.AppInstallResource
 		installResource.ResourceId = database.ID
 		installResource.AppInstallId = appInstall.ID
diff --git a/backend/app/service/website_utils.go b/backend/app/service/website_utils.go
index 1b00e3bbc..5d5270052 100644
--- a/backend/app/service/website_utils.go
+++ b/backend/app/service/website_utils.go
@@ -352,14 +352,14 @@ func createPemFile(websiteSSL model.WebSiteSSL) error {
 
 func getParamArray(key string, param interface{}) []string {
 	var res []string
-	switch param.(type) {
+	switch p := param.(type) {
 	case string:
 		if key == "index" {
-			res = strings.Split(param.(string), "\n")
+			res = strings.Split(p, "\n")
 			return res
 		}
 
-		res = strings.Split(param.(string), " ")
+		res = strings.Split(p, " ")
 		return res
 	}
 	return res
@@ -388,19 +388,15 @@ func handleParamMap(paramMap map[string]string, keys []string) []dto.NginxParam
 func getNginxParams(params interface{}, keys []string) []dto.NginxParam {
 	var nginxParams []dto.NginxParam
 
-	switch params.(type) {
+	switch p := params.(type) {
 	case map[string]interface{}:
-		return handleParamMap(toMapStr(params.(map[string]interface{})), keys)
+		return handleParamMap(toMapStr(p), keys)
 	case []interface{}:
-
-		if mArray, ok := params.([]interface{}); ok {
-			for _, mA := range mArray {
-				if m, ok := mA.(map[string]interface{}); ok {
-					nginxParams = append(nginxParams, handleParamMap(toMapStr(m), keys)...)
-				}
+		for _, mA := range p {
+			if m, ok := mA.(map[string]interface{}); ok {
+				nginxParams = append(nginxParams, handleParamMap(toMapStr(m), keys)...)
 			}
 		}
-
 	}
 	return nginxParams
 }
diff --git a/backend/utils/cmd/cmd.go b/backend/utils/cmd/cmd.go
index f470387dd..e41b45a5a 100644
--- a/backend/utils/cmd/cmd.go
+++ b/backend/utils/cmd/cmd.go
@@ -12,7 +12,7 @@ func Exec(cmdStr string) (string, error) {
 	cmd.Stderr = &stderr
 	err := cmd.Run()
 	if err != nil {
-		return string(stderr.Bytes()), err
+		return stderr.String(), err
 	}
-	return string(stdout.Bytes()), nil
+	return stdout.String(), nil
 }
diff --git a/backend/utils/files/file_op.go b/backend/utils/files/file_op.go
index 38f923507..75f37bfdd 100644
--- a/backend/utils/files/file_op.go
+++ b/backend/utils/files/file_op.go
@@ -422,9 +422,9 @@ func (f FileOp) Backup(srcFile string) (string, error) {
 	info, _ := f.Fs.Stat(backupPath)
 	if info != nil {
 		if info.IsDir() {
-			f.DeleteDir(backupPath)
+			_ = f.DeleteDir(backupPath)
 		} else {
-			f.DeleteFile(backupPath)
+			_ = f.DeleteFile(backupPath)
 		}
 	}
 	if err := f.Rename(srcFile, backupPath); err != nil {
diff --git a/backend/utils/websocket/client.go b/backend/utils/websocket/client.go
index 3d17df6d5..6623b0902 100644
--- a/backend/utils/websocket/client.go
+++ b/backend/utils/websocket/client.go
@@ -70,7 +70,7 @@ func ProcessData(c *Client, msg *WsMsg) {
 			}
 
 			process := &files.Process{}
-			json.Unmarshal(value, process)
+			_ = json.Unmarshal(value, process)
 			res = append(res, *process)
 		}
 		reByte, _ := json.Marshal(res)