Nginx+uWSGI+Flask 配置失败，求教

from flask import Flask app = Flask(__name__) @app.route("/") def index(): return("Hello world") @app.route("/about") def about(): return("this is a test") if __name__ == "__main__": app.run() 

[uwsgi] # uwsgi 启动时所使用的地址与端口 socket = 127.0.0.1:3031 chdir = /home/www/app wsgi-file = app.py callable = app # 处理器数 processes = 4 # 线程数 threads = 2 #状态检测地址 stats = 127.0.0.1:9191 #守护进程 daemOnize= /var/log/uwsgi/uwsgi.log 

events { worker_connections 1024; } http { include mime.types; default_type application/octet-stream; log_format main '$remote_addr - $remote_user [$time_local] "$request" ' '$status $body_bytes_sent "$http_referer" ' '"$http_user_agent" "$http_x_forwarded_for"'; access_log logs/access.log main; sendfile on; keepalive_timeout 65; server { listen 80; server_name 127.0.0.1; #charset koi8-r; access_log logs/host.access.log main; location / { include uwsgi_params; uwsgi_pass 127.0.0.1:3031; } #error_page 404 /404.html; # redirect server error pages to the static page /50x.html # error_page 500 502 503 504 /50x.html; location = /50x.html { root html; } } }