fix: 解决 nexus 安装失败的问题 (#1189)

Refs https://github.com/1Panel-dev/1Panel/issues/1179

backend/app/service/app.go

@@ -335,9 +335,6 @@ func (a AppService) Install(ctx context.Context, req request.AppInstallCreate) (
 	if err = createLink(ctx, app, appInstall, req.Params); err != nil {
 		return
 	}
-	if err = upAppPre(app, appInstall); err != nil {
-		return
-	}
 	go func() {
 		if err = copyData(app, appDetail, appInstall, req); err != nil {
 			if appInstall.Status == constant.Installing {
@@ -347,6 +344,9 @@ func (a AppService) Install(ctx context.Context, req request.AppInstallCreate) (
 			_ = appInstallRepo.Save(context.Background(), appInstall)
 			return
 		}
+		if err = upAppPre(app, appInstall); err != nil {
+			return
+		}
 		go func() {
 			_, _ = http.Get(appDetail.DownloadCallBackUrl)
 		}()

backend/app/service/app_install.go

@@ -257,6 +257,9 @@ func (a *AppInstallService) Update(req request.AppInstalledUpdate) error {
 	backupDockerCompose := installed.DockerCompose
 	if req.Advanced {
 		composeMap := make(map[string]interface{})
+		if err = yaml.Unmarshal([]byte(installed.DockerCompose), &composeMap); err != nil {
+			return err
+		}
 		if err := addDockerComposeCommonParam(composeMap, installed.ServiceName, req.AppContainerConfig, req.Params); err != nil {
 			return err
 		}