diff --git a/templates/repo/modelmanage/convertIndex.tmpl b/templates/repo/modelmanage/convertIndex.tmpl
index eb57f660a..243819d09 100644
--- a/templates/repo/modelmanage/convertIndex.tmpl
+++ b/templates/repo/modelmanage/convertIndex.tmpl
@@ -258,17 +258,22 @@
     }
     function loadModelVersion(value){
         console.log("value=" + value);
-        let nameMap = modelData.nameMap
-        let versionList = nameMap[value]
-        n_length = versionList.length
-        let train_html=''
-        for (let i=0;i<n_length;i++){
-                train_html += `<div class="item" data-value="${versionList[i].ID}">${versionList[i].Version}</div>`
-                train_html += '</div>'
+        if(value ==null && value ==""){
+            $(".ui.dropdown.selection.search.width70").removeClass("loading")
+        }else{
+            let nameMap = modelData.nameMap
+            let versionList = nameMap[value]
+            n_length = versionList.length
+            let train_html=''
+            for (let i=0;i<n_length;i++){
+                    train_html += `<div class="item" data-value="${versionList[i].ID}">${versionList[i].Version}</div>`
+                    train_html += '</div>'
+            }
+            $("#model-version").append(train_html)
+            $(".ui.dropdown.selection.search.width70").removeClass("loading")
+            $('#choice_version .default.text').text(versionList[0].Version)
         }
-        $("#model-version").append(train_html)
-        $(".ui.dropdown.selection.search.width70").removeClass("loading")
-        $('#choice_version .default.text').text(versionList[0].Version)
+       
     }
 </script>