diff --git a/preview.yml b/preview.yml
index 4852622a6ffde744efb42a154a037c098470478f..9095027ad817bccf58d934f91984b9ef87b77c05 100644
--- a/preview.yml
+++ b/preview.yml
@@ -1,8 +1,8 @@
 autoOpen: true
 apps:
-  - port: 8501 
-    run: streamlit run cnocr/app.py
+  - port: 8501
+    command: streamlit run cnocr/app.py
     root: /ide/workspace/CnOCR
     name: CnOCR
-    description: CnOCR 
-    autoOpen: true
\ No newline at end of file
+    description: CnOCR
+    autoOpen: true