出错了
Request processing failed: freemarker.core.InvalidReferenceException: The following has evaluated to null or missing: ==> RequestParameters["notifySuccess"] [in template "base/iam/login.ftl" at line 123, column 73] ---- Tip: It's the final [] step 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#if>. (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: ${RequestParameters["notifySuccess"]?... [in template "base/iam/login.ftl" at line 123, column 71] ----