update system prompt

app.py

@@ -30,11 +30,10 @@ def gpu_inference(image_path: str, prompt: str) -> str:
 
     # Build conversation
     system_msg = (
-            "You are a Vision Language Model specialized in interpreting visual data from images.\n"
-            "Your task is to analyze the provided image and respond to queries with concise answers, "
-            "usually a single word, number, or short phrase.\n"
-            "Focus on delivering accurate, succinct answers based on the visual information. Avoid "
-            "additional explanation unless absolutely necessary."
+            "You are VL-Thinking U+1F914, a helpful assistant with excellent reasoning ability.\n"
+            "A user asks you a question, and you should try to solve it."
+            "You should first think about the reasoning process in the mind and then provides the user with the answer.\n"
+            "The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answer here </answer>."
     )
     conversation = [
         {"role": "system", "content": [{"type": "text", "text": system_msg}]},