fix

app.py

@@ -1,6 +1,5 @@
 import os
 import subprocess
-
 repo_url = "https://github.com/SocialAI-tianji/Tianji.git"
 clone_dir = "Tianji"
 
@@ -12,4 +11,4 @@ os.chdir(clone_dir)
 subprocess.run(["pip", "install", "-e", "."], check=True)
 
 print("正在运行示例...")
-subprocess.run(["cd run && python demo_prompt.py"], check=True)
+os.system("cd run && python demo_prompt.py")