diff --git a/modules/storage/obs.go b/modules/storage/obs.go
index 33730b72c..ab978b084 100755
--- a/modules/storage/obs.go
+++ b/modules/storage/obs.go
@@ -575,6 +575,8 @@ func GetObsLogFileName(prefix string) (string, error) {
 		log.Error("PutObject failed:", err.Error())
 		return "", err
 	}
-
+	if output == nil || len(output.Contents) == 0 {
+		return "", errors.New("obs log files not exist")
+	}
 	return output.Contents[0].Key, nil
 }
diff --git a/templates/repo/modelarts/trainjob/show.tmpl b/templates/repo/modelarts/trainjob/show.tmpl
index 9c2a91921..53cf614fe 100755
--- a/templates/repo/modelarts/trainjob/show.tmpl
+++ b/templates/repo/modelarts/trainjob/show.tmpl
@@ -488,7 +488,7 @@
                     <div class="ui tab" data-tab="second{{$k}}">
                         <div>
                             <a id="{{.VersionName}}-log-down"
-                                class='{{if and ($.CanLogDownload) (eq .Status "KILLED" "FAILED" "START_FAILED" "STOPPED" "COMPLETED") }}ti-download-file{{else}}disabled{{end}}'
+                                class='{{if  eq .Status "KILLED" "FAILED" "START_FAILED" "STOPPED" "COMPLETED" }}ti-download-file{{else}}disabled{{end}}'
                                 href="{{$.RepoLink}}/modelarts/train-job/{{.JobID}}/download_log_file?version_name={{.VersionName}}">
                                 <i class="ri-download-cloud-2-line"></i>
                                 <span style="margin-left: 0.3rem;">{{$.i18n.Tr "repo.modelarts.download_log"}}</span>
@@ -752,7 +752,6 @@
             $('#' + version_name + '-status').text(data.JobStatus)
             console.log(data)
             if (["KILLED", "FAILED", "START_FAILED", "STOPPED", "COMPLETED"].includes(data.JobStatus)) {
-                $(`#${version_name}-log-down`).removeClass('disabled').addClass('ti-download-file')
                 $('#' + version_name + '-stop').addClass('disabled')
             }
 
@@ -809,6 +808,12 @@
             $('input[name=end_line]').val(data.EndLine)
             $('input[name=start_line]').val(data.StartLine)
             $(`#log_file${version_name}`).text(data.Content)
+            if(data.CanLogDownload){
+                $(`#${version_name}-log-down`).removeClass('disabled').addClass('ti-download-file')
+            }else{
+                $(`#${version_name}-log-down`).removeClass('ti-download-file').addClass('disabled')
+            }
+            
         }).fail(function (err) {
             console.log(err);
         });
@@ -1029,6 +1034,11 @@
             $(`#log${version_name} input[name=end_line]`).val(data.EndLine)   //如果变动就改变所对应的值
             $(`#log${version_name} input[name=start_line]`).val(data.StartLine)
             $(`#log${version_name}`).append('<pre>' + data.Content)
+            if(data.CanLogDownload){
+                $(`#${version_name}-log-down`).removeClass('disabled').addClass('ti-download-file')
+            }else{
+                $(`#${version_name}-log-down`).removeClass('ti-download-file').addClass('disabled')
+            }
             $.get(`/api/v1/repos/${userName}/${repoPath}/modelarts/train-job/${jobID}/log?version_name=${version_name}&base_line=${data.EndLine}&lines=50&order=desc`, (data) => {
                 if (data.Lines == 0) {
                     $(`.message${version_name} #header`).text('您已翻阅至日志底部')