我已尝试安全模式，也遇到了 handlebars 缺失错误。应用程序上只有白屏，左上角显示加载时间（毫秒）。
Uncaught Error: Could not find module `handlebars` imported from `discourse-common/lib/raw-handlebars`
at loader.js:247:1
at c (loader.js:258:1)
at s.findDeps (loader.js:168:1)
at c (loader.js:262:1)
at s.findDeps (loader.js:168:1)
at c (loader.js:262:1)
at requireModule (loader.js:24:1)
at discourse-boot.js:12:1
at Array.forEach (<anonymous>)
at discourse-boot.js:10:1