diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index c6fb261..61befab 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -25,7 +25,7 @@ jobs:
         run: |
           pytest tests/ -q
 
-      - name: Ruff lint
+      - name: Ruff lint (includes F401 unused-import)
         run: |
           ruff check agent_go/ --select=E,F,W --ignore=E501
 
diff --git a/agent_go/api.py b/agent_go/api.py
index 8d5735f..0ad6b27 100644
--- a/agent_go/api.py
+++ b/agent_go/api.py
@@ -1,15 +1,15 @@
+import hashlib
 import json, re, time, logging
 from pathlib import Path
 from datetime import datetime
 from typing import Any, Optional
 
-logger = logging.getLogger(__name__)
-
 from .config import get_api_key, log_event, DECOMPOSE_RULES, AGENT_GO_DIR
 from .git_utils import analyze_project, get_git_info, get_resource_map
 from .skills import list_skills
 from .role_skill_map import load_role_skill_map
-import hashlib
+
+logger = logging.getLogger(__name__)
 
 __all__ = [
     "call_api", "generate_plan", "decompose_fallback",
diff --git a/agent_go/cli.py b/agent_go/cli.py
index 7d6f9a0..eec04ed 100644
--- a/agent_go/cli.py
+++ b/agent_go/cli.py
@@ -3,7 +3,6 @@
 from datetime import datetime
 from typing import Any, Optional
 
-logger = logging.getLogger(__name__)
 
 from .config import load_config, safe_input, setup_logger, AGENT_GO_DIR
 from .api import generate_plan, decompose_fallback
@@ -16,6 +15,8 @@
 from .tui import cmd_status_tui
 from .workflow_gen import cmd_ci
 
+logger = logging.getLogger(__name__)
+
 __all__ = [
     "main", "cmd_run", "cmd_resume", "cmd_list", "cmd_show",
     "cmd_status", "cmd_config", "cmd_clean", "cmd_pr", "cmd_review",
diff --git a/agent_go/pipeline.py b/agent_go/pipeline.py
index 0cc5659..56a7002 100644
--- a/agent_go/pipeline.py
+++ b/agent_go/pipeline.py
@@ -3,11 +3,12 @@
 from pathlib import Path
 from typing import Any, Optional
 
-logger = logging.getLogger(__name__)
 
 from .executor import run_subtask
 from .git_utils import _set_gc_auto, _worktree_remove, _worktree_prune
 
+logger = logging.getLogger(__name__)
+
 __all__: list[str] = []
 
 def _run_pipeline(confirmed: list[dict[str, Any]], repo: Path, task_dir: Path, logger: logging.Logger, config: dict[str, Any], headless: bool, parallel: int, issue_ref: str, meta: dict[str, Any],
diff --git a/agent_go/role_skill_map.py b/agent_go/role_skill_map.py
index ddcab52..9e4f508 100644
--- a/agent_go/role_skill_map.py
+++ b/agent_go/role_skill_map.py
@@ -4,10 +4,11 @@
 from fnmatch import fnmatch
 from typing import Any, Optional
 
-logger = logging.getLogger(__name__)
 
 from .config import AGENT_GO_DIR
 
+logger = logging.getLogger(__name__)
+
 __all__ = ["load_role_skill_map", "apply_rules"]
 
 DEFAULT_MAP = {
diff --git a/pyproject.toml b/pyproject.toml
index 4ef2aa5..d80d135 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -3,8 +3,9 @@ target-version = "py39"
 line-length = 120
 
 [tool.ruff.lint]
+# E: pycodestyle  F: Pyflakes (含 F401 unused-import)  W: pycodestyle warnings
 select = ["E", "F", "W"]
-ignore = ["E501"]
+ignore = ["E501"]  # 行长度由 formatter 管理
 
 [tool.mypy]
 python_version = "3.9"