您当前的位置是:首页> Expression mark is undefined on line 7, column 22 in null. The problematic instruction: ---------- ==> if mark==-2 [on line 7, column 17 in null] ---------- Java backtrace for programmers: ---------- freemarker.core.InvalidReferenceException: Expression mark is undefined on line 7, column 22 in null. at freemarker.core.TemplateObject.assertNonNull(TemplateObject.java:124) at freemarker.core.ComparisonExpression.isTrue(ComparisonExpression.java:121) at freemarker.core.ConditionalBlock.accept(ConditionalBlock.java:77) at freemarker.core.Environment.visit(Environment.java:196) at freemarker.core.MixedContent.accept(MixedContent.java:92) at freemarker.core.Environment.visit(Environment.java:196) at freemarker.core.Environment.process(Environment.java:176) at freemarker.template.Template.process(Template.java:232) at com.nl.compile.CompilerTask.compiler(CompilerTask.java:100) at com.nl.compile.CategoryFragCompileManager.work(CategoryFragCompileManager.java:284) at com.nl.util.stream.Task.run(Task.java:203) at java.lang.Thread.run(Thread.java:619)