update

app.py

@@ -296,13 +296,13 @@ with gr.Blocks(
         ],
     )
     image_prompt.change(
-        active_btn_by_content,
-        inputs=image_prompt,
-        outputs=generate_btn,
-    ).success(
         preprocess_image_fn,
         inputs=image_prompt,
         outputs=image_prompt,
+    ).success(
+        active_btn_by_content,
+        inputs=image_prompt,
+        outputs=generate_btn,
     )
 
     # image_prompt_sam.upload(