diff --git a/comfy_api_nodes/nodes_minimax.py b/comfy_api_nodes/nodes_minimax.py
index dff847248..d31a0084f 100644
--- a/comfy_api_nodes/nodes_minimax.py
+++ b/comfy_api_nodes/nodes_minimax.py
@@ -541,7 +541,7 @@ class MinimaxChatNode(IO.ComfyNode):
             ApiEndpoint(path="/proxy/minimax/chat/completions", method="POST"),
             response_model=MiniMaxChatResponse,
             data=MiniMaxChatRequest(
-                model=model,
+                model=MiniMaxChatModel(model).value,
                 messages=messages,
                 max_tokens=max_tokens,
                 temperature=temperature,
@@ -550,7 +550,7 @@ class MinimaxChatNode(IO.ComfyNode):
 
         if response.choices:
             return IO.NodeOutput(response.choices[0].message.content)
-        return IO.NodeOutput("No response generated by MiniMax model.")
+        raise RuntimeError("No response generated by MiniMax model.")
 
 
 class MinimaxExtension(ComfyExtension):