VSCode Chah with Ollama issues

I hooked up my VSCode Chat in Agent mode with Ollama. There are some interesting behavior. It will working on my prompt and updating my codes. I can see "Thinking" action flying through. After a few minutes, it will error out as "Sorry, no response was returned." But I do see a few codes get created. I can type in "continue" in my prompt and it will execute a few more and eventually completed after a few "continue". What cause this behavior? Is it because Ollama's max output reached or max executing time reached? Is there a way to increase the time?