diff --git a/templates/repo/modelmanage/index.tmpl b/templates/repo/modelmanage/index.tmpl
index 587893150..e26e3321a 100644
--- a/templates/repo/modelmanage/index.tmpl
+++ b/templates/repo/modelmanage/index.tmpl
@@ -330,5 +330,15 @@
             $("#choice_Engine").removeClass('disabled');
         }
     }
+    let isChange = false;
+    const inputEl = document.getElementById("JobId");
+    inputEl.addEventListener("change", function(ev) {
+            console.log(ev.target.value);
+            isChange = true;
+    });
+    window.onbeforeunload = function(e) {
+        return !isChange && null;
+    };
+
 </script>