nginx静态文件访问404

在http模块下加入下面的代码

server {
listen 80;
server_name 192.168.1.249; #本机ip

#access_log logs/host.access.log main;

location / {
root /var/www/html; #静态文件存放地址
index index.html index.htm index.php;
}

#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;
}

# pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
#
location ~ \.php$ {
root html;
fastcgi_pass 127.0.0.1:9000;
fastcgi_index index.php;
fastcgi_param SCRIPT_FILENAME /var/www/html$fastcgi_script_name;
include fastcgi_params;
}

# deny access to .htaccess files, if Apache's document root
# concurs with nginx's one
#
#location ~ /\.ht {
# deny all;
#}
}

请求示例：
http://192.168.1.249/upload/topicPic/2016/11/23/1479873230260_2083_m.jpg