diff --git a/app/adapters/external/cookiecloud.py b/app/adapters/external/cookiecloud.py
index 9f9f70165..573da8c4f 100644
--- a/app/adapters/external/cookiecloud.py
+++ b/app/adapters/external/cookiecloud.py
@@ -1,9 +1,8 @@
 import json
-import importlib
 from typing import Any, Dict, Tuple, Optional
 
-from app.application.configuration import get_runtime_settings
 from app.runtime.log import logger
+from app.runtime.settings import get_runtime_setting
 from app.foundation.crypto import CryptoJsUtils, HashUtils
 from app.adapters.network.http import RequestUtils
 from app.domain import site as site_rules
@@ -13,11 +12,7 @@ from app.foundation.url import UrlUtils
 
 def _runtime_setting(key: str) -> Any:
     """读取 CookieCloud 配置服务，未装配时回退旧 Settings ABI。"""
-    try:
-        return get_runtime_settings().get(key)
-    except RuntimeError:
-        legacy_settings = importlib.import_module("app.runtime.config").settings
-        return getattr(legacy_settings, key)
+    return get_runtime_setting(key)
 
 
 class CookieCloudHelper:
diff --git a/app/adapters/external/ocr.py b/app/adapters/external/ocr.py
index f8935d164..7c639ee1e 100644
--- a/app/adapters/external/ocr.py
+++ b/app/adapters/external/ocr.py
@@ -1,9 +1,8 @@
 import base64
-import importlib
 from typing import Optional
 
-from app.application.configuration import get_runtime_settings
 from app.adapters.network.http import RequestUtils
+from app.runtime.settings import get_runtime_setting
 
 
 class OcrHelper:
@@ -14,11 +13,7 @@ class OcrHelper:
     def __init__(self, ocr_base_url: Optional[str] = None) -> None:
         """初始化 OCR 服务地址，优先使用组合根设置快照。"""
         if ocr_base_url is None:
-            try:
-                ocr_base_url = get_runtime_settings().get("OCR_HOST")
-            except RuntimeError:
-                legacy_settings = importlib.import_module("app.runtime.config").settings
-                ocr_base_url = legacy_settings.OCR_HOST
+            ocr_base_url = get_runtime_setting("OCR_HOST")
         self._ocr_b64_url = f"{str(ocr_base_url).rstrip('/')}/captcha/base64"
 
     def get_captcha_text(
diff --git a/app/adapters/network/doh.py b/app/adapters/network/doh.py
index e6859befa..a18eb2291 100644
--- a/app/adapters/network/doh.py
+++ b/app/adapters/network/doh.py
@@ -5,7 +5,6 @@ author: https://github.com/C5H12O5/syno-videoinfo-plugin
 import base64
 import concurrent
 import concurrent.futures
-import importlib
 import json
 import socket
 import struct
@@ -14,9 +13,9 @@ import urllib.request
 from threading import Lock
 from typing import Dict, Optional
 
-from app.application.configuration import get_runtime_settings
 from app.runtime.log import logger
 from app.runtime.reload import ConfigReloadMixin
+from app.runtime.settings import get_runtime_setting
 from app.foundation.singleton import Singleton
 
 # DoH 关闭时需要释放线程池；保持惰性创建可避免未启用 DoH 时占用进程级资源
@@ -34,11 +33,7 @@ _orig_getaddrinfo = socket.getaddrinfo
 
 def _doh_setting(key: str):
     """读取 DoH 热更新配置，组合根未装配时兼容旧 Settings。"""
-    try:
-        return get_runtime_settings().get(key)
-    except RuntimeError:
-        legacy_settings = importlib.import_module("app.runtime.config").settings
-        return getattr(legacy_settings, key)
+    return get_runtime_setting(key)
 
 
 def _get_executor_locked() -> concurrent.futures.ThreadPoolExecutor:
diff --git a/app/adapters/system/rust.py b/app/adapters/system/rust.py
index 145b06d9b..cdb8a17f3 100644
--- a/app/adapters/system/rust.py
+++ b/app/adapters/system/rust.py
@@ -1,10 +1,9 @@
-import importlib
 import logging
 from functools import lru_cache
 from typing import List, Optional, Tuple
 
-from app.application.configuration import get_runtime_settings
 from app.runtime.log import logger, log_settings
+from app.runtime.settings import get_runtime_setting
 
 try:
     import moviepilot_rust as _moviepilot_rust
@@ -17,11 +16,7 @@ else:
 
 def _rust_accel_enabled() -> bool:
     """读取 Rust 开关快照，组合根未装配时回退旧 Settings。"""
-    try:
-        return bool(get_runtime_settings().get("RUST_ACCEL"))
-    except RuntimeError:
-        legacy_settings = importlib.import_module("app.runtime.config").settings
-        return bool(legacy_settings.RUST_ACCEL)
+    return bool(get_runtime_setting("RUST_ACCEL"))
 
 
 def is_available() -> bool:
diff --git a/app/runtime/settings.py b/app/runtime/settings.py
new file mode 100644
index 000000000..9d57e9101
--- /dev/null
+++ b/app/runtime/settings.py
@@ -0,0 +1,25 @@
+"""运行时配置读取端口，供低层适配器避免反向依赖 Application。"""
+
+from __future__ import annotations
+
+import importlib
+from collections.abc import Callable
+from typing import Any
+
+
+RuntimeSettingProvider = Callable[[str], Any]
+_provider: RuntimeSettingProvider | None = None
+
+
+def configure_runtime_setting_provider(provider: RuntimeSettingProvider) -> None:
+    """由启动组合根登记配置读取器，保持适配器只依赖 runtime 端口。"""
+    global _provider
+    _provider = provider
+
+
+def get_runtime_setting(key: str) -> Any:
+    """读取单项运行配置；启动早期未装配时回退旧 Settings ABI。"""
+    if _provider is not None:
+        return _provider(key)
+    legacy_settings = importlib.import_module("app.runtime.config").settings
+    return getattr(legacy_settings, key)
diff --git a/app/startup/modules_initializer.py b/app/startup/modules_initializer.py
index 835908825..52260d4d7 100644
--- a/app/startup/modules_initializer.py
+++ b/app/startup/modules_initializer.py
@@ -25,6 +25,7 @@ from app.runtime.extensions.plugin_manager import PluginManager
 from app.runtime.events import EventHandlerBinding, EventManager
 from app.runtime.observability import record_metric
 from app.runtime.state import SystemHelper
+from app.runtime.settings import configure_runtime_setting_provider
 from app.runtime.thread import ThreadHelper
 from app.adapters.network.doh import DohHelper
 from app.adapters.system.resource import (
@@ -596,6 +597,7 @@ async def init_modules() -> HostRuntime:
     )
     configure_runtime_configuration(host_runtime.configuration)
     configure_runtime_settings(host_runtime.settings)
+    configure_runtime_setting_provider(lambda key: getattr(settings, key))
     configure_token_runtime_config(lambda: build_token_runtime_config(settings))
     # 先发布系统配置服务，后续启动组合步骤统一复用同一配置端口。
     configure_system_config(SystemConfigService(repository=SystemConfigOper()))
diff --git a/tests/conftest.py b/tests/conftest.py
index 0ab210300..8584ed70c 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -41,6 +41,7 @@ def configure_plugin_system_services():
         configure_transfer_retry_config,
     )
     from app.runtime.config import settings
+    from app.runtime.settings import configure_runtime_setting_provider
     from app.startup.configuration import (
         build_api_runtime_config,
         build_chain_runtime_config,
@@ -70,6 +71,7 @@ def configure_plugin_system_services():
         )
     )
     configure_runtime_settings(RuntimeSettingsService(settings))
+    configure_runtime_setting_provider(lambda key: getattr(settings, key))
     configure_token_runtime_config(lambda: build_token_runtime_config(settings))
     configure_system_config(SystemConfigService(repository=SystemConfigOper()))
     configure_transfer_retry_config(
diff --git a/tests/fixtures/architecture/dependency-baseline.json b/tests/fixtures/architecture/dependency-baseline.json
index 697753b33..902646e10 100644
--- a/tests/fixtures/architecture/dependency-baseline.json
+++ b/tests/fixtures/architecture/dependency-baseline.json
@@ -13,8 +13,8 @@
     "runtime_to_db": [],
     "workflow_to_db": []
   },
-  "edge_count": 6420,
-  "edge_sha256": "c1d92730a7755f0b5da8d8f9b8ecc4b828f76b8eb90b6967d8f5a8bc600b0727",
+  "edge_count": 6418,
+  "edge_sha256": "8ec406999c67a103722fdb3e2cb641dff8addc83b4c60df7b0ea18027afdfb08",
   "edges": [
     "app -> app.runtime",
     "app -> app.runtime.compat",
@@ -34,8 +34,6 @@
     "app.adapters.external.cookiecloud -> app.adapters",
     "app.adapters.external.cookiecloud -> app.adapters.network",
     "app.adapters.external.cookiecloud -> app.adapters.network.http",
-    "app.adapters.external.cookiecloud -> app.application",
-    "app.adapters.external.cookiecloud -> app.application.configuration",
     "app.adapters.external.cookiecloud -> app.domain",
     "app.adapters.external.cookiecloud -> app.domain.site",
     "app.adapters.external.cookiecloud -> app.foundation",
@@ -44,6 +42,7 @@
     "app.adapters.external.cookiecloud -> app.foundation.url",
     "app.adapters.external.cookiecloud -> app.runtime",
     "app.adapters.external.cookiecloud -> app.runtime.log",
+    "app.adapters.external.cookiecloud -> app.runtime.settings",
     "app.adapters.external.location -> app.adapters",
     "app.adapters.external.location -> app.adapters.network",
     "app.adapters.external.location -> app.adapters.network.http",
@@ -67,8 +66,8 @@
     "app.adapters.external.ocr -> app.adapters",
     "app.adapters.external.ocr -> app.adapters.network",
     "app.adapters.external.ocr -> app.adapters.network.http",
-    "app.adapters.external.ocr -> app.application",
-    "app.adapters.external.ocr -> app.application.configuration",
+    "app.adapters.external.ocr -> app.runtime",
+    "app.adapters.external.ocr -> app.runtime.settings",
     "app.adapters.external.plugin.client -> app.adapters",
     "app.adapters.external.plugin.client -> app.adapters.external",
     "app.adapters.external.plugin.client -> app.adapters.external.market",
@@ -101,13 +100,12 @@
     "app.adapters.network.browser -> app.runtime.managed_resources",
     "app.adapters.network.cloudflare -> app.runtime",
     "app.adapters.network.cloudflare -> app.runtime.log",
-    "app.adapters.network.doh -> app.application",
-    "app.adapters.network.doh -> app.application.configuration",
     "app.adapters.network.doh -> app.foundation",
     "app.adapters.network.doh -> app.foundation.singleton",
     "app.adapters.network.doh -> app.runtime",
     "app.adapters.network.doh -> app.runtime.log",
     "app.adapters.network.doh -> app.runtime.reload",
+    "app.adapters.network.doh -> app.runtime.settings",
     "app.adapters.network.http -> app.runtime",
     "app.adapters.network.http -> app.runtime.correlation",
     "app.adapters.observability.otel -> app.runtime",
@@ -156,10 +154,9 @@
     "app.adapters.system.resource -> app.runtime",
     "app.adapters.system.resource -> app.runtime.config",
     "app.adapters.system.resource -> app.runtime.log",
-    "app.adapters.system.rust -> app.application",
-    "app.adapters.system.rust -> app.application.configuration",
     "app.adapters.system.rust -> app.runtime",
     "app.adapters.system.rust -> app.runtime.log",
+    "app.adapters.system.rust -> app.runtime.settings",
     "app.adapters.web.correlation -> app.runtime",
     "app.adapters.web.correlation -> app.runtime.correlation",
     "app.adapters.web.health -> app.runtime",
@@ -6149,6 +6146,7 @@
     "app.startup.modules_initializer -> app.runtime.extensions.service_config",
     "app.startup.modules_initializer -> app.runtime.log",
     "app.startup.modules_initializer -> app.runtime.observability",
+    "app.startup.modules_initializer -> app.runtime.settings",
     "app.startup.modules_initializer -> app.runtime.state",
     "app.startup.modules_initializer -> app.runtime.thread",
     "app.startup.modules_initializer -> app.scheduler",
@@ -6437,7 +6435,7 @@
     "app.workflow.actions.transfer_file -> app.workflow",
     "app.workflow.actions.transfer_file -> app.workflow.actions"
   ],
-  "module_count": 795,
+  "module_count": 796,
   "modules": [
     "app",
     "app.adapters",
@@ -7126,6 +7124,7 @@
     "app.runtime.rate",
     "app.runtime.reload",
     "app.runtime.scheduling",
+    "app.runtime.settings",
     "app.runtime.state",
     "app.runtime.thread",
     "app.runtime.topology",