diff --git a/app/cross_compare_common.py b/app/cross_compare_common.py
index 5839408..d470198 100644
--- a/app/cross_compare_common.py
+++ b/app/cross_compare_common.py
@@ -97,7 +97,7 @@ def parse_comp_inroad_delay_infos(inroad_delay_infos, comp_inroad_delay_infos):
             'item': '变化量',
             'service_level': '-' if item_data['service_level'] == '-' or comp_data['service_level'] == '-' else compare_level(comp_data['service_level'], item_data['service_level']),
             'stop_times': '-' if item_data['stop_times'] == '-' or comp_data['stop_times'] == '-' else round(comp_data['stop_times'] - item_data['stop_times'], 2),
-            'high_park_percent': '-' if '-' in item_data['high_park_percent'] or '-' in comp_data['high_park_percent'] else str(int(float(item_data['high_park_percent'].replace('%', '')) - float(comp_data['high_park_percent'].replace('%', '')))) + '%',
+            'high_park_percent': '-' if '-' in item_data['high_park_percent'] or '-' in comp_data['high_park_percent'] else str(int(float(comp_data['high_park_percent'].replace('%', '')) - float(item_data['high_park_percent'].replace('%', '')))) + '%',
             'imbalance_index': '-' if item_data['imbalance_index'] == '-' or comp_data['imbalance_index'] == '-' else round(item_data['imbalance_index'] - comp_data['imbalance_index'], 2),
             'park_time': '-' if item_data['park_time'] == '-' or comp_data['park_time'] == '-' else item_data['park_time'] - comp_data['park_time'],
             'delay_time': '-' if item_data['delay_time'] == '-' or comp_data['delay_time'] == '-' else comp_data['delay_time'] - item_data['delay_time'],
diff --git a/app/cross_compare_report.py b/app/cross_compare_report.py
index 99d926d..016cf04 100644
--- a/app/cross_compare_report.py
+++ b/app/cross_compare_report.py
@@ -275,7 +275,7 @@ def gen_compare_report_part1_data(data_range, compare_date_range, time_range, cr
         compare_key = 'comp_' + key
         if key == 'service_level':
             service_level_compare_res = compare_service_level(final_overview[key], final_overview[compare_key])
-            if service_level_compare_res and service_level_compare_res > 0:
+            if service_level_compare_res and service_level_compare_res < 0:
                 service_level_compare_str = f"{index_dict[key]}由{final_overview[compare_key]}提升为{final_overview[key]}， 提升{service_level_compare_res}个等级；"
                 part1_data['data_list'].append(service_level_compare_str)
         elif key in ('jam_index', 'stop_times', 'high_park_percent', 'delay_time'):
@@ -467,7 +467,7 @@ def gen_compare_report_part5_data(part1_data, compared_inroad_delay_infos):
         for key in ('service_level', 'stop_times', 'high_park_percent', 'speed', 'delay_time'):
             if key == 'service_level':
                 service_level_compare_res = compare_service_level(item_data[key], compare_data[key])
-                if service_level_compare_res and service_level_compare_res > 0:
+                if service_level_compare_res and service_level_compare_res < 0:
                     service_level_compare_str = f"{index_dict[key]}由{compare_data[key]}提升为{item_data[key]}， 提升{service_level_compare_res}个等级；"
                     src_dir_data.append(service_level_compare_str)
             elif key in ('stop_times', 'high_park_percent', 'delay_time'):
diff --git a/app/report_common.py b/app/report_common.py
index 0904992..79c9e82 100644
--- a/app/report_common.py
+++ b/app/report_common.py
@@ -34,8 +34,8 @@ def compare_service_level(obj1, obj2):
     priority_map = {'A': 0, 'B': 1, 'C': 2, 'D': 3, 'E': 4, 'F': 5}
     if obj1 == '-' or obj2 == '-':
         return None
-    val1 = priority_map.get(obj1)
-    val2 = priority_map.get(obj2)
+    val1 = priority_map.get(obj1) # d 3
+    val2 = priority_map.get(obj2) # c 2
 
     if val1 is None or val2 is None:
         return None