[warn] 7#7: *676 a client request body is buffered to a temporary file /var/cache/nginx/client_temp/0000000007
nginx 上传文件遇到的Bug。
fastcgi_buffer_size 128k;
fastcgi_buffers 8 128k;
fastcgi_busy_buffers_size 128k;
fastcgi_temp_file_write_size 128k;
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然后就解决了