diff --git a/superagi/controllers/knowledges.py b/superagi/controllers/knowledges.py
index 04fa84e92..d55469734 100644
--- a/superagi/controllers/knowledges.py
+++ b/superagi/controllers/knowledges.py
@@ -70,11 +70,9 @@ def get_knowledge_details(knowledge_name: str):
     knowledge_data = Knowledges.fetch_knowledge_details_marketplace(knowledge_name)
     knowledge_config_data = KnowledgeConfigs.fetch_knowledge_config_details_marketplace(knowledge_data["id"])
     knowledge_config_data["introduction"] = eval(knowledge_config_data["introduction"])
-    # knowledge_config_data["use_cases"] = eval(knowledge_config_data["use_cases"])
+    knowledge_config_data["use_cases"] = eval(knowledge_config_data["use_cases"])
     knowledge_data_with_config = knowledge_data | knowledge_config_data
     knowledge_data_with_config["install_number"] = MarketPlaceStats.get_knowledge_installation_number(knowledge_data_with_config["id"])
-    # knowledge_data_with_config["updated_at"] = '2023-07-18 08:06:52.803273'
-    # knowledge_data_with_config["updated_at"] = datetime.strptime(knowledge_data_with_config["updated_at"], "%Y-%m-%d %H:%M:%S.%f")
     knowledge_data_with_config["updated_at"] = datetime.strftime(knowledge_data_with_config["updated_at"], '%d %B %Y')
     return knowledge_data_with_config
 
diff --git a/superagi/controllers/vector_dbs.py b/superagi/controllers/vector_dbs.py
index 011f648ef..c9f1601aa 100644
--- a/superagi/controllers/vector_dbs.py
+++ b/superagi/controllers/vector_dbs.py
@@ -26,8 +26,11 @@ def get_marketplace_vectordb_list():
 @router.get("/user/list")
 def get_user_connected_vector_db_list(organisation = Depends(get_user_organisation)):
     vector_db_list = Vectordbs.get_vector_db_from_organisation(db.session, organisation)
-    update_time = get_time_difference(vector_db_list["updated_at"], datetime.now())
-    vector_db_list["updated_at"] = update_time["years"]
+    if vector_db_list:
+        for vector in vector_db_list:
+            update_time = str(vector.updated_at)
+            update_time = get_time_difference(update_time, datetime.now())
+            vector_db_list["updated_at"] = update_time["years"]
     return vector_db_list
 
 @router.get("/get/db/details/{vector_db_id}")
@@ -74,7 +77,7 @@ def connect_pinecone_vector_db(data: dict, organisation = Depends(get_user_organ
     VectordbConfigs.add_vector_db_config(db.session, pinecone_db.id, db_creds)
     for collection in data["collections"]:
         VectordbIndices.add_vector_index(db.session, collection, pinecone_db.id, db_connect_for_index["dimensions"], index_state)
-    
+    print("//////////////////////////////////////")
     return {"success": True, "id": pinecone_db.id, "name": pinecone_db.name}
 
 @router.post("/connect/qdrant")