diff --git a/api/apps/llm_app.py b/api/apps/llm_app.py
index 473b748fb8..5e7c302cbc 100644
--- a/api/apps/llm_app.py
+++ b/api/apps/llm_app.py
@@ -142,6 +142,16 @@ def add_llm():
     return get_json_result(data=True)
 
 
+@manager.route('/delete_llm', methods=['POST'])
+@login_required
+@validate_request("llm_factory", "llm_name")
+def delete_llm():
+    req = request.json
+    TenantLLMService.filter_delete(
+            [TenantLLM.tenant_id == current_user.id, TenantLLM.llm_factory == req["llm_factory"], TenantLLM.llm_name == req["llm_name"]])
+    return get_json_result(data=True)
+
+
 @manager.route('/my_llms', methods=['GET'])
 @login_required
 def my_llms():
diff --git a/api/db/services/task_service.py b/api/db/services/task_service.py
index 36b4700f00..8d96fefbcb 100644
--- a/api/db/services/task_service.py
+++ b/api/db/services/task_service.py
@@ -159,4 +159,4 @@ def new_task():
     DocumentService.begin2parse(doc["id"])
 
     for t in tsks:
-        REDIS_CONN.queue_product(SVR_QUEUE_NAME, message=t)
\ No newline at end of file
+        assert REDIS_CONN.queue_product(SVR_QUEUE_NAME, message=t), "Can't access Redis. Please check the Redis' status."
\ No newline at end of file