diff --git a/apps/assets/api/mixin.py b/apps/assets/api/mixin.py
index 25aefa62a..af5864e4e 100644
--- a/apps/assets/api/mixin.py
+++ b/apps/assets/api/mixin.py
@@ -81,13 +81,19 @@ class SerializeToTreeNodeMixin:
         platform_map = {p.id: p for p in Platform.objects.all()}
 
         data = []
+        root_assets_count = 0
         for asset in assets:
             platform = platform_map.get(asset.platform_id)
             if not platform:
                 continue
             pid = node_key or get_pid(asset, platform)
-            if not pid or pid.isdigit():
+            if not pid:
                 continue
+            # 根节点最多显示 1000 个资产
+            if pid.isdigit():
+                if root_assets_count > 1000:
+                    continue
+                root_assets_count += 1
             data.append({
                 'id': str(asset.id),
                 'name': asset.name,
diff --git a/apps/perms/serializers/permission.py b/apps/perms/serializers/permission.py
index 36e0a6f33..3e32b40e1 100644
--- a/apps/perms/serializers/permission.py
+++ b/apps/perms/serializers/permission.py
@@ -196,10 +196,11 @@ class AssetPermissionListSerializer(AssetPermissionSerializer):
     @classmethod
     def setup_eager_loading(cls, queryset):
         """Perform necessary eager loading of data."""
-        queryset = queryset.annotate(
-            users_amount=Count("users"),
-            user_groups_amount=Count("user_groups"),
-            assets_amount=Count("assets"),
-            nodes_amount=Count("nodes"),
-        )
+        queryset = queryset \
+            .prefetch_related('labels', 'labels__label') \
+            .annotate(users_amount=Count("users"),
+                      user_groups_amount=Count("user_groups"),
+                      assets_amount=Count("assets"),
+                      nodes_amount=Count("nodes"),
+                      )
         return queryset