diff --git a/astrbot/dashboard/api/app.py b/astrbot/dashboard/api/app.py
index 5eca6e2f80..70d7858f42 100644
--- a/astrbot/dashboard/api/app.py
+++ b/astrbot/dashboard/api/app.py
@@ -100,7 +100,12 @@ def create_dashboard_asgi_app(
     app.state.jwt_secret = jwt_secret
     app.state.dashboard_static_folder = static_folder
     log_broker = getattr(core_lifecycle, "log_broker", None) or LogBroker()
-    stats = StatService(db, core_lifecycle, core_lifecycle.astrbot_config)
+    stats = StatService(
+        db,
+        core_lifecycle,
+        core_lifecycle.astrbot_config,
+        dashboard_static_folder=static_folder,
+    )
     app.state.services = SimpleNamespace(
         config_profiles=ConfigProfileService(core_lifecycle, db, runtime=stats.runtime),
         config_display=ConfigDisplayService(core_lifecycle),
@@ -141,6 +146,7 @@ def create_dashboard_asgi_app(
             pip_install_func=call_pip_install,
             demo_mode=DEMO_MODE,
             clear_site_data_headers=CLEAR_SITE_DATA_HEADERS,
+            dashboard_static_folder=static_folder,
         ),
     )
 
diff --git a/astrbot/dashboard/services/stat_service.py b/astrbot/dashboard/services/stat_service.py
index 4ac60793c4..cb70a423a3 100644
--- a/astrbot/dashboard/services/stat_service.py
+++ b/astrbot/dashboard/services/stat_service.py
@@ -58,10 +58,13 @@ def __init__(
         db_helper: BaseDatabase,
         core_lifecycle: AstrBotCoreLifecycle,
         config: AstrBotConfig,
+        *,
+        dashboard_static_folder: str | None = None,
     ) -> None:
         self.db_helper = db_helper
         self.core_lifecycle = core_lifecycle
         self.config = config
+        self.dashboard_static_folder = dashboard_static_folder
         self.storage_cleaner = StorageCleaner(config)
 
         # Probe sandbox startup once; restart AstrBot to refresh this snapshot.
@@ -153,7 +156,9 @@ async def get_version(self) -> dict:
         if is_desktop_session_auth_enabled():
             return {
                 "version": VERSION,
-                "dashboard_version": await get_dashboard_version(),
+                "dashboard_version": await get_dashboard_version(
+                    self.dashboard_static_folder
+                ),
                 "change_pwd_hint": False,
                 "md5_pwd_hint": False,
                 "password_upgrade_required": False,
@@ -171,7 +176,9 @@ async def get_version(self) -> dict:
         md5_pwd_hint = is_md5_dashboard_password(password)
         return {
             "version": VERSION,
-            "dashboard_version": await get_dashboard_version(),
+            "dashboard_version": await get_dashboard_version(
+                self.dashboard_static_folder
+            ),
             "change_pwd_hint": await self.is_default_cred(),
             "md5_pwd_hint": md5_pwd_hint,
             "password_upgrade_required": not storage_upgraded,
@@ -186,7 +193,7 @@ async def get_public_versions(
 
         Args:
             dashboard_static_folder: Static WebUI dist directory currently served by
-                the dashboard, when available.
+                the dashboard. Defaults to the directory configured on the service.
 
         Returns:
             Public WebUI and AstrBot version information.
@@ -219,12 +226,11 @@ def read_code_version() -> str | None:
 
         dashboard_version = None
         try:
-            if dashboard_static_folder:
-                dashboard_version = await get_dashboard_version(
-                    Path(dashboard_static_folder)
-                )
-            if dashboard_version is None:
-                dashboard_version = await get_dashboard_version()
+            dashboard_version = await get_dashboard_version(
+                dashboard_static_folder
+                if dashboard_static_folder is not None
+                else self.dashboard_static_folder
+            )
         except Exception as exc:
             logger.warning("Failed to read public WebUI version: %s", exc)
 
diff --git a/astrbot/dashboard/services/update_service.py b/astrbot/dashboard/services/update_service.py
index 63ab7d7bfe..16e2c3b45a 100644
--- a/astrbot/dashboard/services/update_service.py
+++ b/astrbot/dashboard/services/update_service.py
@@ -50,6 +50,7 @@ def __init__(
         pip_install_func: Callable[..., Awaitable[Any]],
         demo_mode: bool,
         clear_site_data_headers: dict,
+        dashboard_static_folder: str | None = None,
     ) -> None:
         self._updater = astrbot_updater
         self.core_lifecycle = core_lifecycle
@@ -57,6 +58,7 @@ def __init__(
         self.pip_install = pip_install_func
         self.demo_mode = demo_mode
         self.clear_site_data_headers = clear_site_data_headers
+        self.dashboard_static_folder = dashboard_static_folder
         self.update_progress: dict[str, dict] = {}
         self._update_tasks: dict[str, asyncio.Task] = {}
 
@@ -73,7 +75,9 @@ def get_update_progress(self, progress_id: str) -> UpdateServiceResult:
 
     async def check_update(self, update_type: str | None) -> UpdateServiceResult:
         try:
-            dashboard_version = await self.get_dashboard_version()
+            dashboard_version = await self.get_dashboard_version(
+                self.dashboard_static_folder
+            )
             if update_type == "dashboard":
                 return UpdateServiceResult(
                     data={