diff --git a/generator.py b/generator.py
index 30d3614..71ea8eb 100644
--- a/generator.py
+++ b/generator.py
@@ -234,7 +234,7 @@ def main():
 
         print("\n操作完成！")
 
-    except Exception as e:  # noqa: BLE001 - CLI 顶层兜底，输出可读错误
+    except Exception as e:
         print(f"\n操作失败: {str(e)}")
         import traceback
         traceback.print_exc()
diff --git a/migrations/env.py b/migrations/env.py
index cae540a..55c7251 100644
--- a/migrations/env.py
+++ b/migrations/env.py
@@ -8,13 +8,20 @@ from alembic import context
 from sqlalchemy import create_mock_engine, engine_from_config, pool
 
 # 将 src 加入 sys.path（与 scripts/init_db.py 一致），使 core / modules 可导入
-SRC_DIR = os.path.join(os.path.dirname(os.path.dirname(os.path.abspath(__file__))), "src")
-sys.path.insert(0, SRC_DIR)
+_SRC_DIR = os.path.join(os.path.dirname(os.path.dirname(os.path.abspath(__file__))), "src")
 
-from core.config import SQLALCHEMY_DATABASE_URL  # noqa: E402
-from core.database import Base  # noqa: E402
+
+def _setup_src_path():
+    if _SRC_DIR not in sys.path:
+        sys.path.insert(0, _SRC_DIR)
+
+
+_setup_src_path()
+
+from core.config import SQLALCHEMY_DATABASE_URL
+from core.database import Base
 # 加载全部模型以填充 metadata（create_app 会连带导入所有业务模块）
-from core.app import create_app  # noqa: E402
+from core.app import create_app
 
 create_app()
 
diff --git a/src/constants/__init__.py b/src/constants/__init__.py
index c326bca..3fdb4ae 100644
--- a/src/constants/__init__.py
+++ b/src/constants/__init__.py
@@ -46,7 +46,7 @@
 
 """常量与枚举统一入口（原 shared/__init__.py 迁移）。"""
 
-from constants.constants import (  # noqa: F401
+from constants.constants import (
     PAGE_SIZE,                    # 默认每页显示记录数
     DEFAULT_PASSWORD,             # 默认密码
     MESSAGE_OK,                   # 操作成功提示
@@ -58,4 +58,18 @@ from constants.constants import (  # noqa: F401
     BANNED_UPLOAD_EXTS,           # 禁止上传扩展名
     BANNED_UPLOAD_EXTS_MSG,       # 禁止上传扩展名提示信息
     JWT_SALT_MIN_LENGTH,          # JWT 密钥最短长度
-)
\ No newline at end of file
+)
+
+__all__ = [
+    "PAGE_SIZE",
+    "DEFAULT_PASSWORD",
+    "MESSAGE_OK",
+    "MESSAGE_FAIL",
+    "SERIALIZE_EXCLUDE_FIELDS",
+    "SUPERADMIN_ID",
+    "BUILTIN_ROLE_IDS",
+    "BUILTIN_UPLOAD_EXTS",
+    "BANNED_UPLOAD_EXTS",
+    "BANNED_UPLOAD_EXTS_MSG",
+    "JWT_SALT_MIN_LENGTH",
+]
\ No newline at end of file
diff --git a/src/core/database.py b/src/core/database.py
index f25e02a..7eaacd0 100644
--- a/src/core/database.py
+++ b/src/core/database.py
@@ -134,7 +134,7 @@ def build_engine(driver: str | None = None, database_url: str | None = None):
 
     if drv == 'oracle':
         # 懒加载：仅 oracle 分支需要 oracledb（thin 模式，无需 Oracle Instant Client）
-        import oracledb  # noqa: F401
+        import oracledb  # 副作用：注册 SQLAlchemy Oracle 方言
         return create_engine(
             url,
             pool_size=DB_POOL_SIZE,
diff --git a/tests/unit/scripts/test_init_db.py b/tests/unit/scripts/test_init_db.py
index ebd3382..a278540 100644
--- a/tests/unit/scripts/test_init_db.py
+++ b/tests/unit/scripts/test_init_db.py
@@ -9,10 +9,16 @@ from pathlib import Path
 
 # scripts/ 下无 __init__.py，把 scripts 目录加进 sys.path 以便直接 import
 _SCRIPTS_DIR = Path(__file__).resolve().parents[3] / "scripts"
-if str(_SCRIPTS_DIR) not in sys.path:
-    sys.path.insert(0, str(_SCRIPTS_DIR))
 
-import init_db  # noqa: E402
+
+def _setup_scripts_path():
+    if str(_SCRIPTS_DIR) not in sys.path:
+        sys.path.insert(0, str(_SCRIPTS_DIR))
+
+
+_setup_scripts_path()
+
+import init_db
 
 
 def test_oracle_sequence_sql():
diff --git a/ui/index.html b/ui/index.html
index c5e5941..55cba55 100644
--- a/ui/index.html
+++ b/ui/index.html
@@ -14,7 +14,7 @@
     var _hmt = _hmt || [];
     (function() {
       var hm = document.createElement("script");
-      hm.src = "https://hm.baidu.com/hm.js?3025f35e9071c58643123b5f795c1e5e";
+      hm.src = "https://hm.baidu.com/hm.js?8d53050ad5cec3e955fce673f53d1032";
       var s = document.getElementsByTagName("script")[0]; 
       s.parentNode.insertBefore(hm, s);
     })();