错误
{"data":"<?xml version=\"1.0\" encoding=\"iso-8859-1\"?>\n<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\"\n \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">\n<html xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"en\" lang=\"en\">\n <head>\n <title>503 - Service Not Available</title>\n </head>\n <body>\n <h1>503 - Service Not Available</h1>\n </body>\n</html>\n","status":503,"config":{"method":"POST","transformResponse":[null],"url":"bos/get_root_dir","data":{"csrf_token":"65c4bf4ecf07d4a7952f46697eda7e1b"},"headers":{"Accept":"application/json, text/plain, */*","Content-Type":"application/x-www-form-urlencoded"},"cached":false},"statusText":"Service Unavailable"}
浏览器信息：Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.79 Safari/537.36
{"data":"<?xml version=\"1.0\" encoding=\"iso-8859-1\"?>\n<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\"\n \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">\n<html xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"en\" lang=\"en\">\n <head>\n <title>503 - Service Not Available</title>\n </head>\n <body>\n <h1>503 - Service Not Available</h1>\n </body>\n</html>\n","status":503,"config":{"method":"POST","transformResponse":[null],"url":"bos/get_root_dir","data":{"csrf_token":"65c4bf4ecf07d4a7952f46697eda7e1b"},"headers":{"Accept":"application/json, text/plain, */*","Content-Type":"application/x-www-form-urlencoded"},"cached":false},"statusText":"Service Unavailable"}
浏览器信息：Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.79 Safari/537.36
