diff --git a/packages/solaris/solaris/analyze/settings.py b/packages/solaris/solaris/analyze/settings.py
index cf2d65c..d29b62e 100644
--- a/packages/solaris/solaris/analyze/settings.py
+++ b/packages/solaris/solaris/analyze/settings.py
@@ -20,8 +20,14 @@ class DataSourceDirSettings(BaseSettings):
 
     @model_validator(mode='after')
     def combine_dirs(self) -> Self:
-        self.HTML5_DIR = self.HTML5_DIR
-        self.PATCH_DIR = self.PATCH_DIR
-        self.UNITY_DIR = self.UNITY_DIR
-        self.FLASH_DIR = self.FLASH_DIR
+        # 分类目录未显式指定（环境变量或构造参数）时，一律从当前 BASE_DIR 派生，
+        # 保证 BASE_DIR 来自 -w/--source-dir 或环境变量时子目录跟随变化
+        for field_name, sub_dir in (
+            ('PATCH_DIR', 'patch'),
+            ('HTML5_DIR', 'html5'),
+            ('UNITY_DIR', 'unity'),
+            ('FLASH_DIR', 'flash'),
+        ):
+            if field_name not in self.model_fields_set:
+                setattr(self, field_name, self.BASE_DIR / sub_dir)
         return self
diff --git a/packages/solaris/solaris/cli/analyze.py b/packages/solaris/solaris/cli/analyze.py
index 129848b..ee11e90 100644
--- a/packages/solaris/solaris/cli/analyze.py
+++ b/packages/solaris/solaris/cli/analyze.py
@@ -76,9 +76,15 @@ def analyze(
     """分析赛尔号客户端数据并生成API数据或文档。"""
 
     ctx.ensure_object(dict)
+    # 不同的包可能导出同一个分析器类（例如同时指定父包与其子包），
+    # 重复的类会让拓扑排序的入度统计失配，误报循环依赖
     analyzer_classes: list[type[BaseAnalyzer]] = []
+    seen_analyzers: set[type[BaseAnalyzer]] = set()
     for name in package_name:
-        analyzer_classes.extend(import_analyzer_classes(name))
+        for analyzer_class in import_analyzer_classes(name):
+            if analyzer_class not in seen_analyzers:
+                seen_analyzers.add(analyzer_class)
+                analyzer_classes.append(analyzer_class)
 
     ctx.obj['analyzer_classes'] = analyzer_classes
 
@@ -91,9 +97,10 @@ def analyze(
         ctx.exit()
 
     # 设置数据源目录
-    settings = DataSourceDirSettings()
     if source_dir:
-        settings.BASE_DIR = Path(source_dir)
+        settings = DataSourceDirSettings(BASE_DIR=source_dir)
+    else:
+        settings = DataSourceDirSettings()
     DataImportConfig.set_source_dir(settings)
     ctx.obj['data_source_settings'] = settings
 
diff --git a/packages/solaris/solaris/cli/parse.py b/packages/solaris/solaris/cli/parse.py
index 8da9eed..c80bc8b 100644
--- a/packages/solaris/solaris/cli/parse.py
+++ b/packages/solaris/solaris/cli/parse.py
@@ -87,9 +87,14 @@ def parse(
 ) -> None:
     """批量解析赛尔号 Unity 端二进制数据"""
 
+    # 同 analyze：重复的包会让同一个 parser 被导入并执行多次
     parser_classes = []
+    seen_parsers: set[type[BaseParser]] = set()
     for name in package_name:
-        parser_classes.extend(import_parser_classes(name))
+        for parser_class in import_parser_classes(name):
+            if parser_class not in seen_parsers:
+                seen_parsers.add(parser_class)
+                parser_classes.append(parser_class)
 
     if parser_names:
         parser_classes, not_found = filter_parser_classes(parser_classes, parser_names)
diff --git a/packages/solaris/tests/analyze/test_cli.py b/packages/solaris/tests/analyze/test_cli.py
new file mode 100644
index 0000000..714157b
--- /dev/null
+++ b/packages/solaris/tests/analyze/test_cli.py
@@ -0,0 +1,35 @@
+from click.testing import CliRunner
+
+from solaris.cli.analyze import analyze
+
+
+def _listed_analyzer_names(output: str) -> list[str]:
+    names = []
+    for line in output.splitlines():
+        if line.startswith('分析器: '):
+            names.append(line.removeprefix('分析器: ').split(' |')[0])
+    return names
+
+
+def test_overlapping_packages_do_not_duplicate_analyzers():
+    """pet 包会递归导入 skill 包也导出的分析器，重复类曾让拓扑排序误报循环依赖"""
+    runner = CliRunner()
+    result = runner.invoke(
+        analyze,
+        [
+            '--package-name',
+            'solaris.analyze.analyzers.pet',
+            '--package-name',
+            'solaris.analyze.analyzers.skill',
+            '--list-analyzers',
+            'data',
+        ],
+        catch_exceptions=False,
+    )
+
+    assert result.exit_code == 0
+    analyzer_names = _listed_analyzer_names(result.output)
+    assert len(analyzer_names) == len(set(analyzer_names))
+    # 两个包共有的分析器只保留一份
+    assert analyzer_names.count('PetAdvanceAnalyzer') == 1
+    assert 'SkillAnalyzer' in analyzer_names
diff --git a/packages/solaris/tests/analyze/test_data_source_settings.py b/packages/solaris/tests/analyze/test_data_source_settings.py
new file mode 100644
index 0000000..4f27701
--- /dev/null
+++ b/packages/solaris/tests/analyze/test_data_source_settings.py
@@ -0,0 +1,45 @@
+from pathlib import Path
+
+import pytest
+
+from solaris.analyze.settings import DataSourceDirSettings
+
+
+@pytest.fixture(autouse=True)
+def clear_solaris_data_env(monkeypatch):
+    """隔离开发机上可能存在的 SOLARIS_DATA_* 环境变量"""
+    for name in (
+        'SOLARIS_DATA_BASE_DIR',
+        'SOLARIS_DATA_PATCH_DIR',
+        'SOLARIS_DATA_HTML5_DIR',
+        'SOLARIS_DATA_UNITY_DIR',
+        'SOLARIS_DATA_FLASH_DIR',
+    ):
+        monkeypatch.delenv(name, raising=False)
+
+
+def test_sub_dirs_derive_from_base_dir():
+    settings = DataSourceDirSettings(BASE_DIR='custom')
+
+    assert settings.PATCH_DIR == Path('custom') / 'patch'
+    assert settings.HTML5_DIR == Path('custom') / 'html5'
+    assert settings.UNITY_DIR == Path('custom') / 'unity'
+    assert settings.FLASH_DIR == Path('custom') / 'flash'
+
+
+def test_default_base_dir_keeps_source_layout():
+    settings = DataSourceDirSettings()
+
+    assert settings.BASE_DIR == Path('./source')
+    assert settings.UNITY_DIR == Path('./source') / 'unity'
+    assert settings.PATCH_DIR == Path('./source') / 'patch'
+
+
+def test_explicit_sub_dir_wins_over_base_dir():
+    settings = DataSourceDirSettings(
+        BASE_DIR='custom',
+        UNITY_DIR='/elsewhere/unity',
+    )
+
+    assert settings.UNITY_DIR == Path('/elsewhere/unity')
+    assert settings.PATCH_DIR == Path('custom') / 'patch'