diff --git a/dashboard/src/components/layout/Layout.tsx b/dashboard/src/components/layout/Layout.tsx
index 873a133f..8f0a23c8 100644
--- a/dashboard/src/components/layout/Layout.tsx
+++ b/dashboard/src/components/layout/Layout.tsx
@@ -130,7 +130,7 @@ export function Layout({ children }: LayoutProps) {
                 key="settings-sidebar"
                 className="relative z-40 hidden shrink-0 lg:block"
                 initial={{ width: 0, opacity: 0 }}
-                animate={{ width: sidebarOpen ? 240 : 64, opacity: 1 }}
+                animate={{ width: sidebarOpen ? 224 : 64, opacity: 1 }}
                 exit={{ width: 0, opacity: 0 }}
                 transition={{
                   type: 'spring',
diff --git a/dashboard/src/components/layout/Sidebar.tsx b/dashboard/src/components/layout/Sidebar.tsx
index 0b09d8f6..0b716ea0 100644
--- a/dashboard/src/components/layout/Sidebar.tsx
+++ b/dashboard/src/components/layout/Sidebar.tsx
@@ -32,8 +32,8 @@ export function Sidebar({
         'fixed inset-y-0 left-0 z-50 isolate flex flex-col border-r transition-all duration-300 lg:relative lg:z-0 lg:h-full',
         inheritsPageBackground ? 'bg-transparent' : 'bg-card',
         // 移动端始终显示完整宽度，桌面端根据 sidebarOpen 切换
-        'w-60 lg:w-auto',
-        sidebarOpen ? 'lg:w-60' : 'lg:w-16',
+        'w-56 lg:w-auto',
+        sidebarOpen ? 'lg:w-56' : 'lg:w-16',
         mobileMenuOpen ? 'translate-x-0' : '-translate-x-full lg:translate-x-0'
       )}
     >
diff --git a/dashboard/src/index.css b/dashboard/src/index.css
index eb6d145f..4d16efba 100644
--- a/dashboard/src/index.css
+++ b/dashboard/src/index.css
@@ -183,7 +183,7 @@
     --layout-space-lg: 1.5rem;
     --layout-space-xl: 2rem;
     --layout-space-2xl: 3rem;
-    --layout-sidebar-width: 15rem;
+    --layout-sidebar-width: 14rem;
     --layout-header-height: 3.5rem;
     --layout-max-content-width: 1280px;
 
diff --git a/src/A_memorix/host_service.py b/src/A_memorix/host_service.py
index 5d744f41..5e915423 100644
--- a/src/A_memorix/host_service.py
+++ b/src/A_memorix/host_service.py
@@ -20,6 +20,8 @@ if TYPE_CHECKING:
 
 logger = get_logger("a_memorix.host_service")
 
+_INTERNAL_CONFIG_FIELDS = {"field_docs", "_validate_any", "suppress_any_warning"}
+
 
 def _get_config_manager():
     from src.config.config import config_manager
@@ -47,6 +49,18 @@ def _to_builtin_data(obj: Any) -> Any:
     return obj
 
 
+def _strip_internal_config_fields(obj: Any) -> Any:
+    if isinstance(obj, dict):
+        return {
+            str(key): _strip_internal_config_fields(value)
+            for key, value in obj.items()
+            if str(key) not in _INTERNAL_CONFIG_FIELDS
+        }
+    if isinstance(obj, list):
+        return [_strip_internal_config_fields(value) for value in obj]
+    return obj
+
+
 def _backup_config_file(path: Path) -> Optional[Path]:
     if not path.exists():
         return None
@@ -309,13 +323,15 @@ class AMemorixHostService:
         web_config = payload.get("web")
         if isinstance(web_config, dict) and "import_config" in web_config:
             web_config["import"] = web_config.pop("import_config")
-        return _to_builtin_data(payload) if isinstance(payload, dict) else {}
+        payload = _to_builtin_data(payload) if isinstance(payload, dict) else {}
+        return _strip_internal_config_fields(payload) if isinstance(payload, dict) else {}
 
     @staticmethod
     def _runtime_dict_to_bot_config_dict(config: Dict[str, Any]) -> Dict[str, Any]:
         payload = _to_builtin_data(config)
         if not isinstance(payload, dict):
             return {}
+        payload = _strip_internal_config_fields(payload)
         web_config = payload.get("web")
         if isinstance(web_config, dict) and "import_config" in web_config and "import" not in web_config:
             web_config["import"] = web_config.pop("import_config")