2020-06-12 18:19:21, application id: 1804, application_file/add, 2020-06-12 18:19:21, data: title, "pdf" 2020-06-12 18:19:22, upload, {"filename":"fc4d7f46a719ed44eea8a2610bba900e.ed","ori_filename":"ecard_0609","extension":"pdf"} 2020-06-12 18:19:22, application file id, 307 2020-06-12 18:19:22, file content, "ecard_0609.pdf" 2020-06-12 18:19:22, Upload Successfully,