diff --git a/data/dataset_info.json b/data/dataset_info.json
index 5a90e077..1deb3d6d 100644
--- a/data/dataset_info.json
+++ b/data/dataset_info.json
@@ -39,7 +39,7 @@
     }
   },
   "mllm_pt_demo": {
-    "file_name": "mllm_pt_demo.json",
+    "hf_hub_url": "BUAADreamer/mllm_pt_demo",
     "formatting": "sharegpt",
     "columns": {
       "messages": "messages",
diff --git a/data/mllm_pt_demo.json b/data/mllm_pt_demo.json
deleted file mode 100644
index 2ee01ce6..00000000
--- a/data/mllm_pt_demo.json
+++ /dev/null
@@ -1,92 +0,0 @@
-[
-  {
-    "messages": [
-      {
-        "content": "Render a clear and concise summary of the photo.",
-        "role": "user"
-      },
-      {
-        "content": "There are two soccer players on the field.",
-        "role": "assistant"
-      }
-    ],
-    "images": [
-      "mllm_demo_data/1.jpg"
-    ]
-  },
-  {
-    "messages": [
-      {
-        "content": "Write a terse but informative summary of the picture.",
-        "role": "user"
-      },
-      {
-        "content": "A soccer player is sliding on his knees to celebrate",
-        "role": "assistant"
-      }
-    ],
-    "images": [
-      "mllm_demo_data/2.jpg"
-    ]
-  },
-  {
-    "messages": [
-      {
-        "content": "What is this?",
-        "role": "user"
-      },
-      {
-        "content": "A man is giving a speech.",
-        "role": "assistant"
-      }
-    ],
-    "images": [
-      "mllm_demo_data/3.jpg"
-    ]
-  },
-  {
-    "messages": [
-      {
-        "content": "对照片进行简明扼要的概括。",
-        "role": "user"
-      },
-      {
-        "content": "两个足球运动员在场上",
-        "role": "assistant"
-      }
-    ],
-    "images": [
-      "mllm_demo_data/1.jpg"
-    ]
-  },
-  {
-    "messages": [
-      {
-        "content": "为图片写一个简短但内容丰富的摘要。",
-        "role": "user"
-      },
-      {
-        "content": "一个足球运动员在跪地滑行庆祝",
-        "role": "assistant"
-      }
-    ],
-    "images": [
-      "mllm_demo_data/2.jpg"
-    ]
-  },
-  {
-    "messages": [
-      {
-        "content": "这是什么？",
-        "role": "user"
-      },
-      {
-        "content": "一个男人在演讲",
-        "role": "assistant"
-      }
-    ],
-    "images": [
-      "mllm_demo_data/3.jpg"
-    ]
-  }
-]
\ No newline at end of file