Update server.js

server.js

@@ -54,7 +54,9 @@ app.post('/cr', async (req, res) => {
     const response = await axios.post('https://geminiyufi.vercel.app/v1/chat/completions', {
       messages: [{'role': 'system', 'content': start}, {'role': 'user', 'content': prompt}],
       max_tokens: 2000,
-      temperature: 0.5,
+      temperature: 0.8,
+      presence_penalty: 0.0,
+      frequency_penalty: -0.5,
       model: "gemini-1.5-pro-latest",
     }, {
       headers: {