Upload public.js

backend/src/routes/public.js

@@ -585,7 +585,8 @@ router.get('/screenshot-data/:userId/:pptId/:slideIndex?', async (req, res, next
         if (result) {
           pptData = result.content;
           break;
-        } catch (error) {
+        }
+      } catch (error) {
         continue;
       }
     }