[在 download/video_detail.ftlh 中,第28行,第53~69列 出错，通常是没有获取到这个参数或参数不是基本数据类型][详细信息：The following has evaluated to null or missing: ==> video.releaseDate [in template "download/video_detail.ftlh" at line 28, column 53] ---- Tip: It's the step after the last dot that caused this error, not those before it. ---- Tip: If the failing expression is known to legally refer to something that's sometimes null or missing, either specify a default value like myOptionalVar!myDefault, or use <#if myOptionalVar??>when-present<#else>when-missing. (These only cover the last step of the expression; to cover the whole expression, use parenthesis: (myOptionalVar.foo)!myDefault, (myOptionalVar.foo)?? ---- ---- FTL stack trace ("~" means nesting-related): - Failed at: ${video.releaseDate} [in template "download/video_detail.ftlh" at line 28, column 51] ----]