web.assets_backend.js:3381 Could not get content for /web_drop_target/static/lib/base64js.min.js defined in bundle 'web.assets_backend'.
（匿名） @ web.assets_backend.js:3381
vis-timeline-graph2d.css:1 Failed to load resource: the server responded with a status of 404 (NOT FOUND)
vis-timeline-graph2d.js:1 Failed to load resource: the server responded with a status of 404 (NOT FOUND)
web.assets_common.js:3835 Error loading file web_timeline/static/lib/vis-timeline/vis-timeline-graph2d.js
script.onerror @ web.assets_common.js:3835
vis-timeline-graph2d.css:1 Failed to load resource: the server responded with a status of 404 (NOT FOUND)

F12发现，后台不显示

主要原因是因为文件找不到