diff --git a/templates/repo/modelmanage/index.tmpl b/templates/repo/modelmanage/index.tmpl
index 910072fd1..e7b94deae 100644
--- a/templates/repo/modelmanage/index.tmpl
+++ b/templates/repo/modelmanage/index.tmpl
@@ -323,7 +323,7 @@
             $('#choice_Engine .default.text').text(selectedText)
             $('#choice_Engine input[name="Engine"]').val(selectedValue)
             $("#job-Engine").append(itemHtml);
-            $("#choice_Engine").attr('disabled','disabled')
+            $("#choice_Engine").addClass('disabled')
         }else{
             let itemHtml = "<option class=\"active item\" data-value=\"0\">Pytorch</option>";
             itemHtml += "<option class=\"item\" data-value=\"1\">TensorFlow</option>"
@@ -332,7 +332,7 @@
             $('#choice_Engine .default.text').text("Pytorch");
             $('#choice_Engine input[name="Engine"]').val(0)
             $("#job-Engine").append(itemHtml);
-            $("#choice_Engine").removeAttr('disabled');
+            $("#choice_Engine").removeClass('disabled');
         }
     }
 </script>