Update app.py

app.py

@@ -878,8 +878,8 @@ async def read_root():
             reader.onload = function(e) {
                 const img = new Image();
                 img.onload = function() {
-                    const maxWidth = 800;
-                    const maxHeight = 800;
+                    const maxWidth = 600;
+                    const maxHeight = 600;
                     let width = img.width;
                     let height = img.height;