diff --git a/api/api_v1/endpoints/query.py b/api/api_v1/endpoints/query.py
index e849c91..d85df36 100644
--- a/api/api_v1/endpoints/query.py
+++ b/api/api_v1/endpoints/query.py
@@ -1556,8 +1556,8 @@ async def guide_model(
     for k, nedf in df.groupby("date"):
         ste_k = {}
         for kk, ste_df in nedf.groupby(group_str):
-            ste_df.reset_index(drop=True, inplace=True)
-            ste_k[str(kk)] = int(ste_df['values'][0])
+            value_list = ste_df.iloc[:, -1].to_list()
+            ste_k[str(kk)] = int(sum(value_list))
         for ste in step_list:
             if ste not in list(ste_k.keys()):
                 ste_k[ste] = 0