diff --git a/internvl_chat_gpt_oss/shell/data/debug_mpo.json b/internvl_chat_gpt_oss/shell/data/debug_mpo.json
index 8ab010c6..6619de36 100644
--- a/internvl_chat_gpt_oss/shell/data/debug_mpo.json
+++ b/internvl_chat_gpt_oss/shell/data/debug_mpo.json
@@ -12,5 +12,5 @@
         "data_augment": false,
         "repeat_time": 1,
         "length": 201
-    },
-}
\ No newline at end of file
+    }
+}