diff --git a/src/pyflowx/cli/_ops/dev.py b/src/pyflowx/cli/_ops/dev.py
index 2fb26e9..d106efe 100644
--- a/src/pyflowx/cli/_ops/dev.py
+++ b/src/pyflowx/cli/_ops/dev.py
@@ -93,10 +93,12 @@ _INIT_VERSION_PATTERN = re.compile(
 PACKAGE_DIR = "packages"
 REQUIREMENTS_FILE = "requirements.txt"
 
-_PROTECTED_PACKAGES: frozenset[str] = frozenset({
-    "pyflowx",
-    "bitool",
-})
+_PROTECTED_PACKAGES: frozenset[str] = frozenset(
+    {
+        "pyflowx",
+        "bitool",
+    }
+)
 
 
 # ============================================================================
diff --git a/src/pyflowx/yaml_loader.py b/src/pyflowx/yaml_loader.py
index 25ccec6..425e6da 100644
--- a/src/pyflowx/yaml_loader.py
+++ b/src/pyflowx/yaml_loader.py
@@ -136,13 +136,15 @@ _ENV_VAR_EQUALS_RE = re.compile(r"^env\.(\w+)\s*==\s*['\"]([^'\"]*)['\"]$")
 _ENV_VAR_NOT_EQUALS_RE = re.compile(r"^env\.(\w+)\s*!=\s*['\"]([^'\"]*)['\"]$")
 
 # 支持的 job 字段名（连字符形式）
-_JOB_FIELDS_HYPHEN = frozenset({
-    "continue-on-error",
-    "skip-if-missing",
-    "allow-upstream-skip",
-    "concurrency-key",
-    "runs-on",
-})
+_JOB_FIELDS_HYPHEN = frozenset(
+    {
+        "continue-on-error",
+        "skip-if-missing",
+        "allow-upstream-skip",
+        "concurrency-key",
+        "runs-on",
+    }
+)
 
 
 class YamlLoadError(px.PyFlowXError):
diff --git a/tests/cli/test_gittool.py b/tests/cli/test_gittool.py
index e6e5104..f76ad4c 100644
--- a/tests/cli/test_gittool.py
+++ b/tests/cli/test_gittool.py
@@ -48,19 +48,25 @@ class TestNotHasGitRepo:
 class TestHasFiles:
     """Test has_files function."""
 
-    def test_has_files_true(self, tmp_path: Path) -> None:
-        """Should return True when files exist."""
-        (tmp_path / "test.txt").write_text("test")
+    def test_has_files_true(self, tmp_path: Path, monkeypatch: pytest.MonkeyPatch) -> None:
+        """Should return True when there are uncommitted changes."""
 
-        with patch.object(Path, "cwd", return_value=tmp_path):
-            result = dev.has_files()
-            assert result is True
+        class _FakeResult:
+            stdout = " M test.txt\n"
 
-    def test_has_files_false(self, tmp_path: Path) -> None:
-        """Should return False when no files."""
-        with patch.object(Path, "cwd", return_value=tmp_path):
-            result = dev.has_files()
-            assert result is False
+        monkeypatch.setattr("subprocess.run", lambda *_, **__: _FakeResult())
+        result = dev.has_files()
+        assert result is True
+
+    def test_has_files_false(self, tmp_path: Path, monkeypatch: pytest.MonkeyPatch) -> None:
+        """Should return False when no uncommitted changes."""
+
+        class _FakeResult:
+            stdout = ""
+
+        monkeypatch.setattr("subprocess.run", lambda *_, **__: _FakeResult())
+        result = dev.has_files()
+        assert result is False
 
 
 # ---------------------------------------------------------------------- #
diff --git a/tests/test_registry.py b/tests/test_registry.py
index dbb93e5..df297c1 100644
--- a/tests/test_registry.py
+++ b/tests/test_registry.py
@@ -237,11 +237,11 @@ class TestOpsModules:
                 assert px.has_fn(name), f"{module.__name__}.{name} 未注册"
 
     def test_total_function_count(self) -> None:
-        """注册函数总数 = 16+15+18+11 = 60."""
+        """注册函数总数 = 18+15+18+11 = 62."""
         from pyflowx.cli._ops import dev, files, media, system  # noqa: F401
 
         all_names = px.FnRegistry.names()
-        assert len(all_names) == 60
+        assert len(all_names) == 62
 
     def test_specific_functions_callable(self) -> None:
         """关键注册函数可调用."""