diff --git a/packages/webgal/src/Core/controller/scene/sceneFetcher.ts b/packages/webgal/src/Core/controller/scene/sceneFetcher.ts
index c66c04cf1..9f6102c84 100644
--- a/packages/webgal/src/Core/controller/scene/sceneFetcher.ts
+++ b/packages/webgal/src/Core/controller/scene/sceneFetcher.ts
@@ -6,6 +6,16 @@ import axios from 'axios';
  */
 export const sceneFetcher = (sceneUrl: string) => {
   return new Promise<string>((resolve, reject) => {
+    let scenePath = '';
+    try {
+      scenePath = sceneUrl ? new URL(sceneUrl, window.location.href).pathname : '';
+    } catch {
+      scenePath = '';
+    }
+    if (!scenePath.endsWith('.txt')) {
+      reject('Scene file must be a txt file');
+      return;
+    }
     axios
       .get(sceneUrl)
       .then((response) => {