diff --git a/libs/infinity_emb/infinity_emb/infinity_server.py b/libs/infinity_emb/infinity_emb/infinity_server.py
index 9a361956..faeb3813 100644
--- a/libs/infinity_emb/infinity_emb/infinity_server.py
+++ b/libs/infinity_emb/infinity_emb/infinity_server.py
@@ -340,10 +340,10 @@ def v1(
             batch_size=[batch_size],
             revision=[revision],  # type: ignore
             trust_remote_code=[trust_remote_code],
-            engine=engine,
-            dtype=dtype,
-            pooling_method=pooling_method,
-            device=device,
+            engine=[engine],
+            dtype=[dtype],
+            pooling_method=[pooling_method],
+            device=[device],
             model_warmup=[model_warmup],
             vector_disk_cache=[vector_disk_cache],
             lengths_via_tokenize=[lengths_via_tokenize],
@@ -369,13 +369,13 @@ def v2(
         batch_size: list[int] = [32],
         revision: list[str] = [""],
         trust_remote_code: list[bool] = [True],
-        engine: InferenceEngine = InferenceEngine.default_value(),  # type: ignore # noqa
+        engine: list[InferenceEngine] = [InferenceEngine.default_value()],  # type: ignore # noqa
         model_warmup: list[bool] = [True],
         vector_disk_cache: list[bool] = [INFINITY_CACHE_VECTORS],
-        device: Device = Device.default_value(),  # type: ignore
+        device: list[Device] = [Device.default_value()],  # type: ignore
         lengths_via_tokenize: list[bool] = [False],
-        dtype: Dtype = Dtype.default_value(),  # type: ignore
-        pooling_method: PoolingMethod = PoolingMethod.default_value(),  # type: ignore
+        dtype: list[Dtype] = [Dtype.default_value()],  # type: ignore
+        pooling_method: list[PoolingMethod] = [PoolingMethod.default_value()],  # type: ignore
         compile: list[bool] = [False],
         bettertransformer: list[bool] = [True],
         # arguments for uvicorn / server
@@ -452,10 +452,13 @@ def v2(
 
     def cli():
         if len(sys.argv) == 1 or sys.argv[1] not in ["v1", "v2", "help", "--help"]:
-            print(
-                "WARNING: No command given. Defaulting to `v1`."
-                "Make sure to upgrade to the latest version of `typer`."
-            )
+            for _ in range(3):
+                logger.error(
+                    "WARNING: No command given. Defaulting to `v1`."
+                    "This will be deprecated in the future, and will require usage of a `v1` or `v2`"
+                    "Specify the version of the CLI you want to use."
+                )
+                time.sleep(1)
             sys.argv.insert(1, "v1")
         print(sys.argv)
         tp()