Update app.py

app.py

@@ -76,7 +76,8 @@ def init_leaderboard(dataframe):
                                      placeholder="Search by work name or basemodel. To search by country, type 'basemodel:<query>'",
                                      label="Search"),
         filter_columns=[
-            ColumnFilter("Target-research", type="checkbox", label="Comparison settings for target researches"),
+            ColumnFilter("Target-research", type="checkboxgroup", label="Comparison settings for target researches (Single Selection)"),
+            ColumnFilter("BaseModel", type="dropdown", label="Select The base lmm model that fultill the task."),
             # ColumnFilter(AutoEvalColumn.precision.name, type="checkboxgroup", label="Precision"),
             # ColumnFilter(
             #     AutoEvalColumn.params.name,