diff --git a/test/maple_test/compare.py b/test/maple_test/compare.py
index b63206acb700dcc7266fd29193ccee73b69c6da9..a2f9c2ef987f8f5406b4eb1163e817c7f07efb7a 100644
--- a/test/maple_test/compare.py
+++ b/test/maple_test/compare.py
@@ -171,7 +171,7 @@ def is_valid_pattern(pattern):
 
 
 def regex_match(content, line_map, pattern, start=0):
-    pattern = r"\s*".join([word for word in pattern.split()])
+    pattern = r"\s+".join([word for word in pattern.split()])
     matches = re.finditer(str(pattern), content, re.MULTILINE)
     end = 0
     for _, match in enumerate(matches, start=1):
@@ -279,7 +279,7 @@ def extract_compare_lines(file_path, regex):
 
 
 def parse_cli():
-    parser = argparse.ArgumentParser(prog="compare")
+    parser = argparse.ArgumentParser(prog="compare.py")
     parser.add_argument("--comment", help="Test case comment")
     parser.add_argument(
         "--assert_flag",
diff --git a/test/maple_test/task.py b/test/maple_test/task.py
index da482f23e7912ddcc8f58c0bd1e9e34e777b4346..e6d4131499d8408f0f6bcd0a1379fc000edbfdb0 100644
--- a/test/maple_test/task.py
+++ b/test/maple_test/task.py
@@ -32,6 +32,7 @@ from maple_test.utils import (
     FAIL,
     NOT_RUN,
     UNRESOLVED,
+    OS_SEP,
 )
 from maple_test.utils import (
     read_config,
@@ -52,7 +53,7 @@ class TaskConfig:
             self.suffix_comments = {}
         else:
             self.inherit_top_config(top_config)
-            name = str(path.relative_to(top_config.path.parent)).replace("/", "_")
+            name = str(path.relative_to(top_config.path.parent)).replace(OS_SEP, "_")
         self.name = name.replace(".", "_")
         self.path = complete_path(path)
         self.base_dir = self.path.parent
@@ -169,7 +170,7 @@ class TestSuiteTask:
             base_dir = config.base_dir
             testlist = self._get_testlist(raw_config, base_dir, encoding)
             self.task_set_result[name] = OrderedDict(
-                {"PASS": 0, "FAIL": 0, "NOT_RUN": 0, "UNRESOLVED": 0}
+                {PASS: 0, FAIL: 0, NOT_RUN: 0, UNRESOLVED: 0}
             )
             for case in self._search_list(base_dir, testlist, encoding):
                 task = SingleTask(case, config, running_config)
@@ -282,7 +283,7 @@ class TestSuiteTask:
         print_type = configs.get_val("print_type")
         for line in self.gen_summary(print_type).splitlines():
             logger.info(line)
-        return self.result["FAIL"]
+        return self.result[FAIL]
 
     def gen_brief_summary(self):
         total = sum(self.result.values())
diff --git a/test/maple_test/utils.py b/test/maple_test/utils.py
index bf2d54a8405bd015d2b3d9d3b7df392bf0c2e633..14b3a709335434e4ad1e54921ebc6afb60563ff2 100644
--- a/test/maple_test/utils.py
+++ b/test/maple_test/utils.py
@@ -47,6 +47,7 @@ RESULT = {
 BASE_DIR = Path(__file__).parent.absolute()
 
 ENCODING = locale.getdefaultlocale()[1] if locale.getdefaultlocale()[1] else "UTF-8"
+OS_SEP = os.path.sep
 EXECUTABLE = sys.executable
 COMPARE = BASE_DIR / "compare.py"