diff --git a/web_demo.py b/web_demo.py
index ad9c54a..a9a0727 100644
--- a/web_demo.py
+++ b/web_demo.py
@@ -154,7 +154,7 @@ def chat(img, msgs, ctx, params=None, vision_hidden_states=None):
         res = res.replace('</ref>', '')
         res = res.replace('<box>', '')
         answer = res.replace('</box>', '')
-        return -1, answer, None, None
+        return 0, answer, None, None
     except Exception as err:
         print(err)
         traceback.print_exc()
diff --git a/web_demo_2.5.py b/web_demo_2.5.py
index cc80a82..2076da3 100644
--- a/web_demo_2.5.py
+++ b/web_demo_2.5.py
@@ -151,7 +151,7 @@ def chat(img, msgs, ctx, params=None, vision_hidden_states=None):
         res = res.replace('</ref>', '')
         res = res.replace('<box>', '')
         answer = res.replace('</box>', '')
-        return -1, answer, None, None
+        return 0, answer, None, None
     except Exception as err:
         print(err)
         traceback.print_exc()