diff --git a/Frontend/_dashboard.html b/Frontend/_dashboard.html
index f42db70..4eb48fb 100644
--- a/Frontend/_dashboard.html
+++ b/Frontend/_dashboard.html
@@ -1044,31 +1044,33 @@
   }
 
   function show3DModel() {
-    launchViewerNoTools(
-      pageAct.urn,
-      (viewer) => {
-        let elevOption = {
-          selector: "#forgeViewer",
-          viewer: viewer,
-          ordPath: {
-            area_tag: pageAct.AreaTag,
-            building_tag: pageAct.buiTag,
-          },
-        };
-
-        // 電梯移動訂閱程序載入
-        if (elevatorShow) {
-          let forge3DElev = new Forge3DElevFull(elevOption);
-          forge3DElev.bajaEndCallback = function () {
-            endPageLoading();
+    if(typeof launchViewerNoTools != "undefined"){
+      launchViewerNoTools(
+        pageAct.urn,
+        (viewer) => {
+          let elevOption = {
+            selector: "#forgeViewer",
+            viewer: viewer,
+            ordPath: {
+              area_tag: pageAct.AreaTag,
+              building_tag: pageAct.buiTag,
+            },
           };
-          forge3DElev.init();
+
+          // 電梯移動訂閱程序載入
+          if (elevatorShow) {
+            let forge3DElev = new Forge3DElevFull(elevOption);
+            forge3DElev.bajaEndCallback = function () {
+              endPageLoading();
+            };
+            forge3DElev.init();
+          }
+        },
+        () => {
+          endPageLoading();
         }
-      },
-      () => {
-        endPageLoading();
-      }
-    );
+      );
+    }
   }
 
   $(window).on("timeout:5m", function () {