diff --git a/rdagent/log/ui/ds_summary.py b/rdagent/log/ui/ds_summary.py
index 3b03b117..5ee9317a 100755
--- a/rdagent/log/ui/ds_summary.py
+++ b/rdagent/log/ui/ds_summary.py
@@ -1,3 +1,7 @@
+"""
+Please refer to rdagent/log/ui/utils.py:get_summary_df for more detailed documents about metrics
+"""
+
 import re
 from pathlib import Path
 
@@ -113,7 +117,10 @@ def all_summarize_win():
         return folder
 
     selected_folders = st.multiselect(
-        "Show these folders", state.log_folders, state.log_folders, format_func=shorten_folder_name
+        "Show these folders",
+        state.log_folders,
+        state.log_folders,
+        format_func=shorten_folder_name,
     )
     for lf in selected_folders:
         if not (Path(lf) / "summary.pkl").exists():
@@ -166,7 +173,13 @@ def all_summarize_win():
     base_df = st.data_editor(
         base_df.style.apply(
             lambda col: col.map(lambda val: "background-color: #F0F8FF"),
-            subset=["Baseline Score", "Bronze Threshold", "Silver Threshold", "Gold Threshold", "Medium Threshold"],
+            subset=[
+                "Baseline Score",
+                "Bronze Threshold",
+                "Silver Threshold",
+                "Gold Threshold",
+                "Medium Threshold",
+            ],
             axis=0,
         )
         .apply(
@@ -226,10 +239,18 @@ def all_summarize_win():
         mean_value = Loop_counts.mean()
         median_value = Loop_counts.median()
         fig.add_vline(
-            x=mean_value, line_color="orange", annotation_text="Mean", annotation_position="top right", line_width=3
+            x=mean_value,
+            line_color="orange",
+            annotation_text="Mean",
+            annotation_position="top right",
+            line_width=3,
         )
         fig.add_vline(
-            x=median_value, line_color="red", annotation_text="Median", annotation_position="top right", line_width=3
+            x=median_value,
+            line_color="red",
+            annotation_text="Median",
+            annotation_position="top right",
+            line_width=3,
         )
         st.plotly_chart(fig)
 
diff --git a/rdagent/log/ui/utils.py b/rdagent/log/ui/utils.py
index 2f25f8b2..c2029bfa 100644
--- a/rdagent/log/ui/utils.py
+++ b/rdagent/log/ui/utils.py
@@ -216,6 +216,25 @@ def _log_folders_summary_hash_func(log_folders: list[str], hours: int | None = N
 
 @cache_with_pickle(_log_folders_summary_hash_func, force=True)
 def get_summary_df(log_folders: list[str], hours: int | None = None) -> tuple[dict, pd.DataFrame]:
+    """Process experiment logs and generate summary DataFrame.
+
+    Several key metrics that need explanation:
+
+    * Successful Final Decision: Percentage of experiment loops where code executed correctly
+      and produced expected output, as determined by evaluation feedback
+
+    * Best Result: The highest achievement level reached by any experiment throughout the entire
+      process, ranging from lowest to highest: made_submission, valid_submission, above_median,
+      bronze, silver, gold
+
+    * SOTA Exp: Version found by working backward from the last attempt to find the most recent
+      successful experiment
+
+    * SOTA Exp (_to_submit): Version selected by LLM from all successful experiments for
+      competition submission, considering not only scores but also generalization ability
+      and overfitting risk, totally decided by LLM
+
+    """
     summarys = {}
     if hours is None:
         sn = "summary.pkl"
@@ -260,7 +279,7 @@ def get_summary_df(log_folders: list[str], hours: int | None = None) -> tuple[di
             else:
                 v["sota_exp_score_valid"] = None
             v["sota_exp_stat_new"] = get_sota_exp_stat(Path(lf) / k)
-            # 调整实验名字
+            # change experiment name
             if "amlt" in lf:
                 summary[f"{lf[lf.rfind('amlt')+5:].split('/')[0]} - {k}"] = v
             elif "ep" in lf:
@@ -375,7 +394,10 @@ def get_summary_df(log_folders: list[str], hours: int | None = None) -> tuple[di
 
     base_df["SOTA Exp"] = base_df["SOTA Exp"].replace("", pd.NA)
 
-    base_df.loc[base_df["SOTA Exp Score (valid)"].apply(lambda x: isinstance(x, str)), "SOTA Exp Score (valid)"] = 0.0
+    base_df.loc[
+        base_df["SOTA Exp Score (valid)"].apply(lambda x: isinstance(x, str)),
+        "SOTA Exp Score (valid)",
+    ] = 0.0
     base_df = base_df.astype(
         {
             "Total Loops": int,