diff --git a/api/tests/integration_tests/vdb/__mock/tcvectordb.py b/api/tests/integration_tests/vdb/__mock/tcvectordb.py
index 68a1e290ad..c1d53296fa 100644
--- a/api/tests/integration_tests/vdb/__mock/tcvectordb.py
+++ b/api/tests/integration_tests/vdb/__mock/tcvectordb.py
@@ -1,58 +1,66 @@
 import os
-from typing import Optional
+from typing import Optional, List, Dict, Union
 
 import pytest
 from _pytest.monkeypatch import MonkeyPatch
 from requests.adapters import HTTPAdapter
-from tcvectordb import VectorDBClient  # type: ignore
+from tcvectordb import RPCVectorDBClient  # type: ignore
+from tcvectordb.model.collection import FilterIndexConfig
 from tcvectordb.model.database import Collection, Database  # type: ignore
 from tcvectordb.model.document import Document, Filter  # type: ignore
 from tcvectordb.model.enum import ReadConsistency  # type: ignore
-from tcvectordb.model.index import Index  # type: ignore
+from tcvectordb.model.index import Index, IndexField  # type: ignore
+from tcvectordb.rpc.model.collection import RPCCollection
+from tcvectordb.rpc.model.database import RPCDatabase
 from xinference_client.types import Embedding  # type: ignore
 
 
 class MockTcvectordbClass:
     def mock_vector_db_client(
         self,
-        url=None,
-        username="",
-        key="",
+        url: str,
+        username='',
+        key='',
         read_consistency: ReadConsistency = ReadConsistency.EVENTUAL_CONSISTENCY,
-        timeout=5,
+        timeout=10,
         adapter: HTTPAdapter = None,
+        pool_size: int = 2,
+        proxies: Optional[dict] = None,
+        password: Optional[str] = None,
+        **kwargs
     ):
         self._conn = None
         self._read_consistency = read_consistency
 
-    def list_databases(self) -> list[Database]:
-        return [
-            Database(
-                conn=self._conn,
-                read_consistency=self._read_consistency,
-                name="dify",
-            )
-        ]
+    def create_database_if_not_exists(self, database_name: str, timeout: Optional[float] = None) -> RPCDatabase:
+        return RPCDatabase(
+            name="dify",
+            read_consistency=self._read_consistency,
+        )
 
-    def list_collections(self, timeout: Optional[float] = None) -> list[Collection]:
-        return []
-
-    def drop_collection(self, name: str, timeout: Optional[float] = None):
-        return {"code": 0, "msg": "operation success"}
+    def exists_collection(self, database_name: str, collection_name: str) -> bool:
+        return True
 
     def create_collection(
         self,
-        name: str,
+        database_name: str,
+        collection_name: str,
         shard: int,
         replicas: int,
-        description: str,
-        index: Index,
+        description: str = None,
+        index: Index = None,
         embedding: Embedding = None,
-        timeout: Optional[float] = None,
-    ) -> Collection:
-        return Collection(
-            self,
-            name,
+        timeout: float = None,
+        ttl_config: dict = None,
+        filter_index_config: FilterIndexConfig = None,
+        indexes: List[IndexField] = None,
+    ) -> RPCCollection:
+        return RPCCollection(
+            RPCDatabase(
+                name="dify",
+                read_consistency=self._read_consistency,
+            ),
+            collection_name,
             shard,
             replicas,
             description,
@@ -60,19 +68,26 @@ class MockTcvectordbClass:
             embedding=embedding,
             read_consistency=self._read_consistency,
             timeout=timeout,
+            ttl_config=ttl_config,
+            filter_index_config=filter_index_config,
+            indexes=indexes,
         )
 
-    def describe_collection(self, name: str, timeout: Optional[float] = None) -> Collection:
-        collection = Collection(self, name, shard=1, replicas=2, description=name, timeout=timeout)
-        return collection
-
     def collection_upsert(
-        self, documents: list[Document], timeout: Optional[float] = None, build_index: bool = True, **kwargs
+        self,
+        database_name: str,
+        collection_name: str,
+        documents: List[Union[Document, Dict]],
+        timeout: Optional[float] = None,
+        build_index: bool = True,
+        **kwargs
     ):
         return {"code": 0, "msg": "operation success"}
 
     def collection_search(
         self,
+        database_name: str,
+        collection_name: str,
         vectors: list[list[float]],
         filter: Filter = None,
         params=None,
@@ -81,10 +96,12 @@ class MockTcvectordbClass:
         output_fields: Optional[list[str]] = None,
         timeout: Optional[float] = None,
     ) -> list[list[dict]]:
-        return [[{"metadata": '{"doc_id":"foo1"}', "text": "text", "doc_id": "foo1", "score": 0.1}]]
+        return [[{"metadata": {"doc_id": "foo1"}, "text": "text", "doc_id": "foo1", "score": 0.1}]]
 
     def collection_query(
         self,
+        database_name: str,
+        collection_name: str,
         document_ids: Optional[list] = None,
         retrieve_vector: bool = False,
         limit: Optional[int] = None,
@@ -97,12 +114,20 @@ class MockTcvectordbClass:
 
     def collection_delete(
         self,
+        database_name: str,
+        collection_name: str,
         document_ids: Optional[list[str]] = None,
         filter: Filter = None,
         timeout: Optional[float] = None,
     ):
         return {"code": 0, "msg": "operation success"}
 
+    def drop_collection(self,
+                        database_name: str,
+                        collection_name: str,
+                        timeout: Optional[float] = None) -> Dict:
+        return {"code": 0, "msg": "operation success"}
+
 
 MOCK = os.getenv("MOCK_SWITCH", "false").lower() == "true"
 
@@ -110,16 +135,17 @@ MOCK = os.getenv("MOCK_SWITCH", "false").lower() == "true"
 @pytest.fixture
 def setup_tcvectordb_mock(request, monkeypatch: MonkeyPatch):
     if MOCK:
-        monkeypatch.setattr(VectorDBClient, "__init__", MockTcvectordbClass.mock_vector_db_client)
-        monkeypatch.setattr(VectorDBClient, "list_databases", MockTcvectordbClass.list_databases)
-        monkeypatch.setattr(Database, "collection", MockTcvectordbClass.describe_collection)
-        monkeypatch.setattr(Database, "list_collections", MockTcvectordbClass.list_collections)
-        monkeypatch.setattr(Database, "drop_collection", MockTcvectordbClass.drop_collection)
-        monkeypatch.setattr(Database, "create_collection", MockTcvectordbClass.create_collection)
-        monkeypatch.setattr(Collection, "upsert", MockTcvectordbClass.collection_upsert)
-        monkeypatch.setattr(Collection, "search", MockTcvectordbClass.collection_search)
-        monkeypatch.setattr(Collection, "query", MockTcvectordbClass.collection_query)
-        monkeypatch.setattr(Collection, "delete", MockTcvectordbClass.collection_delete)
+        monkeypatch.setattr(RPCVectorDBClient, "__init__", MockTcvectordbClass.mock_vector_db_client)
+        monkeypatch.setattr(RPCVectorDBClient,
+                            "create_database_if_not_exists",
+                            MockTcvectordbClass.create_database_if_not_exists)
+        monkeypatch.setattr(RPCVectorDBClient, "exists_collection", MockTcvectordbClass.exists_collection)
+        monkeypatch.setattr(RPCVectorDBClient, "create_collection", MockTcvectordbClass.create_collection)
+        monkeypatch.setattr(RPCVectorDBClient, "upsert", MockTcvectordbClass.collection_upsert)
+        monkeypatch.setattr(RPCVectorDBClient, "search", MockTcvectordbClass.collection_search)
+        monkeypatch.setattr(RPCVectorDBClient, "query", MockTcvectordbClass.collection_query)
+        monkeypatch.setattr(RPCVectorDBClient, "delete", MockTcvectordbClass.collection_delete)
+        monkeypatch.setattr(RPCVectorDBClient, "drop_collection", MockTcvectordbClass.drop_collection)
 
     yield