diff --git a/api/core/tools/provider/builtin/aippt/tools/aippt.py b/api/core/tools/provider/builtin/aippt/tools/aippt.py
index 87f89faf8..e61cf6b1e 100644
--- a/api/core/tools/provider/builtin/aippt/tools/aippt.py
+++ b/api/core/tools/provider/builtin/aippt/tools/aippt.py
@@ -470,9 +470,9 @@ class AIPPTGenerateTool(BuiltinTool):
             colors, styles = self.get_styles(user_id='__dify_system__')
         except Exception as e:
             colors, styles = [
-                {'id': -1, 'name': '__default__'}
+                {'id': -1, 'name': '__default__', 'en_name': '__default__'}
             ], [
-                {'id': -1, 'name': '__default__'}
+                {'id': -1, 'name': '__default__', 'en_name': '__default__'}
             ]
 
         return [