【app.py】添加路由拦截器：错误路径跳转404

@@ -6,5 +6,9 @@ app = Flask(__name__)
 def hello_world():  # put application's code here
 def hello_world():  # put application's code here
     return session.clear()
     return session.clear()
 
 
+@app.route('/<path:path>')
+def catch_all(path):
+    return render_template('404.html')
+
 if __name__ == '__main__':
 if __name__ == '__main__':
     app.run()
     app.run()