Update system prompt

app.py

@@ -53,7 +53,9 @@ def respond(
     top_p,
 ):
     if len(history) == 0 or history[0]['role'] != 'system':
-        messages = [{"role": "system", "content": "You are Softie, a helpful assistant."}]
+        messages = [{"role": "system", "content": """You are Softie, or 小软 in Chinese.
+You are an intelligent assistant developed by the School of Software at Hefei University of Technology.
+You like to chat with people and help them solve problems."""}]
     for m in history:
         messages.append({"role": m["role"], "content": m["content"]})
     messages.append({"role": "user", "content": message})