diff --git a/util/data_util.py b/util/data_util.py
index 198da0e..94b2b36 100644
--- a/util/data_util.py
+++ b/util/data_util.py
@@ -102,7 +102,7 @@ def parse_department(string):
     result = []
     if not string:
         return result
-    string = re.sub(r'\([^()]*\)|\[[^\[\]]*\]|\{[^\{\}]*\}|（[^（）]*）|[^⺀-鿿]', '', string)[:255]
+    string = re.sub(r'\([^()]*\)|\[[^\[\]]*]|\{[^{}]*}|（[^（）]*）|[^⺀-鿿]', '', string)[:255]
     if string == "科":
         return result
     result.append(string)
diff --git a/util/util.py b/util/util.py
index 4c3d645..41d7b60 100644
--- a/util/util.py
+++ b/util/util.py
@@ -131,7 +131,7 @@ def chinese_to_number(chinese):
         num = chinese_char_to_number(c)
         if num >= 0:
             if num == 0:
-                if number > 0 and unit[0] != None:
+                if number > 0 and unit[0] is not None:
                     section += number * (unit[0] / 10)
                 unit = [None, False]
             elif number > 0:
@@ -139,21 +139,21 @@ def chinese_to_number(chinese):
             number = num
         else:
             unit = chinese_to_money_unit(c)
-            if unit[0] == None:
+            if unit[0] is None:
                 raise ValueError(f"{chinese} has unknown unit '{c}' at: {i}")
             if unit[1]:
                 section = (section + number) * unit[0]
                 result += section
                 section = 0
             else:
-                unitNumber = number
+                unit_number = number
                 if number == 0 and i == 0:
-                    unitNumber = 1
+                    unit_number = 1
 
-                section += unitNumber * unit[0]
+                section += unit_number * unit[0]
             number = 0
 
-    if number > 0 and unit[0] != None:
+    if number > 0 and unit[0] is not None:
         number *= unit[0] / 10
     return result + section + number
 
diff --git a/visual_model_test/visual_model_test.py b/visual_model_test/visual_model_test.py
index 5dad92f..c791218 100644
--- a/visual_model_test/visual_model_test.py
+++ b/visual_model_test/visual_model_test.py
@@ -50,7 +50,7 @@ def visual_model_test(model_type, test_img, task_path, schema):
         imgs = image_util.split(test_img)
         layout = []
         temp_files_paths = []
-        doc_parser = DocParser(layout_analysis=False)
+        # doc_parser = DocParser(layout_analysis=False)
         for img in imgs:
             with tempfile.NamedTemporaryFile(delete=False, suffix=".jpg") as temp_file:
                 # angle = image_util.parse_rotation_angles(img["img"])[0]