fix: uuid json dumps bug

api/app.py

 # -*- coding:utf-8 -*-
 import os
+import uuid
 from datetime import datetime
 
 if not os.environ.get("DEBUG") or os.environ.get("DEBUG").lower() != 'true':
@@ -183,6 +184,15 @@ if app.config['TESTING']:
     print("App is running in TESTING mode")
 
 
+def uuid_encoder(self, obj):
+    if isinstance(obj, uuid.UUID):
+        return str(obj)
+    raise TypeError(f"Object of type '{type(obj)}' is not JSON serializable")
+
+
+json.JSONEncoder.default = uuid_encoder
+
+
 @app.after_request
 def after_request(response):
     """Add Version headers to the response."""

api/core/index/keyword_table_index/keyword_table_index.py

 import json
+import uuid
 from collections import defaultdict
 from typing import Any, List, Optional, Dict
 
@@ -235,4 +236,6 @@ class SetEncoder(json.JSONEncoder):
     def default(self, obj):
         if isinstance(obj, set):
             return list(obj)
-        return super().default(obj)
+        elif isinstance(obj, uuid.UUID):
\ No newline at end of file
+            return str(obj)
+        return super().default(obj)