Update app.py

app.py

@@ -17,9 +17,8 @@ def img2text(url):
 # text2story
 def text2story(text):
     # 优化提示词模板（使用统一的分隔符）
-    prompt_template = """[PROMPT_START]
+    prompt_template = f"""[PROMPT_START]
 Write a children's story for ages 3-10 based on: {text}
-
 Requirements:
 1. Use simple words (1st-3rd grade level)
 2. Main character must be an animal