diff --git a/codes/postprocess.py b/codes/postprocess.py
index 909ac9a..cee66c1 100755
--- a/codes/postprocess.py
+++ b/codes/postprocess.py
@@ -286,17 +286,17 @@ class PostProcess:
             filter_sum_pos_df['Validated'] = 1
             filter_sum_pos_df = filter_sum_pos_df.fillna('.')
 
-            grouped_df = filter_sum_pos_df.groupby(['POS', 'REF', 'ALT'])
+            grouped_df = filter_sum_pos_df.groupby(['POS', 'REF', 'FUSION'])
             # 对每个分组进行操作
             for group_name, group_data in grouped_df:
                 pos, ref, alt = group_name
                 if any(group_data['AMP_mut_level'] == 'I'):
                     filter_condition = (filter_sum_pos_df['POS'] == pos) & \
                                        (filter_sum_pos_df['REF'] == ref) & \
-                                       (filter_sum_pos_df['ALT'] == alt)
+                                       (filter_sum_pos_df['FUSION'] == alt)
                     filter_sum_pos_df.loc[filter_condition, 'AMP_mut_level'] = 'I'
 
-            pos_dict = filter_sum_pos_df.set_index(['POS', 'REF', 'ALT'])['AMP_mut_level'].to_dict()
+            pos_dict = filter_sum_pos_df.set_index(['POS', 'REF', 'FUSION'])['AMP_mut_level'].to_dict()
             filter_sum_pos_res = filter_sum_pos_df.to_dict('records')
 
         filter_sum = os.path.join(self.path, 'fusion',
@@ -309,7 +309,7 @@ class PostProcess:
             filter_sum_df['Validated'] = 1
             level_dict = dict()
             level_dict.update(pos_dict)
-            filter_sum_df['AMP_mut_level'] = filter_sum_df.set_index(['POS', 'REF', 'ALT']).index.map(level_dict)
+            filter_sum_df['AMP_mut_level'] = filter_sum_df.set_index(['POS', 'REF', 'FUSION']).index.map(level_dict)
             filter_sum_df = filter_sum_df.fillna('.')
             filter_sum_res = filter_sum_df.to_dict('records')