diff --git a/codes/postprocess.py b/codes/postprocess.py
index a56427b..909ac9a 100755
--- a/codes/postprocess.py
+++ b/codes/postprocess.py
@@ -234,16 +234,23 @@ class PostProcess:
         cols = list(filter_sum_df.columns)
 
         tmb_file_check = check_file_exist_and_empty(tmb_file)
+        filter_sum_df = filter_sum_df.sort_index()
         if not tmb_file_check:
             tmb_df = pd.read_csv(tmb_file, sep='\t')
             key_cols = ['Chr', 'Start', 'End']
             filter_sum_df = filter_sum_df.set_index(key_cols)
+            filter_sum_df = filter_sum_df.sort_index()
             tmb_df = tmb_df.set_index(key_cols)
 
             # 在filter_sum_df中的process列中追加字符串";tmb"，对应tmb_df中的行 并且 是非 1，2类突变
-            filter_sum_df['process'] = filter_sum_df.index.map(
-                lambda x: filter_sum_df.at[x, 'process'] + ';tmb' if x in tmb_df.index and filter_sum_df.at[
-                    x, 'AMP_mut_level'] not in ['I', 'II'] else filter_sum_df.at[x, 'process'])
+            # filter_sum_df['process'] = filter_sum_df.index.map(
+            #     lambda x: filter_sum_df.at[x, 'process'] + ';tmb' if (x in tmb_df.index) and (filter_sum_df.at[
+            #         x, 'AMP_mut_level'] not in ['I', 'II']) else filter_sum_df.at[x, 'process'])
+            for index, row in filter_sum_df.iterrows():
+                amp_mut_level = row['AMP_mut_level']
+                process = row['process']
+                if (index in tmb_df.index) and (amp_mut_level not in ['I', 'II']):
+                    filter_sum_df.loc[index, 'process'] = process + ';tmb'
 
             # 找到tmb_df中不在filter_sum_df中的行，并将这些新的行添加到filter_sum_df中
             new_rows = tmb_df[~tmb_df.index.isin(filter_sum_df.index)]