时间： Expression info is undefined on line 28, column 64 in www/tsjgbz/101539630385937.ftl. The problematic instruction: ---------- ==> assignment: info_topic=info.topic?replace('\\&[a-zA-Z]{1,10};','','r') [on line 28, column 42 in www/tsjgbz/101539630385937.ftl] ---------- Java backtrace for programmers: ---------- freemarker.core.InvalidReferenceException: Expression info is undefined on line 28, column 64 in www/tsjgbz/101539630385937.ftl. at freemarker.core.TemplateObject.assertNonNull(TemplateObject.java:125) at freemarker.core.TemplateObject.invalidTypeException(TemplateObject.java:135) at freemarker.core.Dot._getAsTemplateModel(Dot.java:78) at freemarker.core.Expression.getAsTemplateModel(Expression.java:89) at freemarker.core.RegexBuiltins$replace_reBI._getAsTemplateModel(RegexBuiltins.java:247) at freemarker.core.Expression.getAsTemplateModel(Expression.java:89) at freemarker.core.MethodCall._getAsTemplateModel(MethodCall.java:86) at freemarker.core.Expression.getAsTemplateModel(Expression.java:89) at freemarker.core.Assignment.accept(Assignment.java:90) at freemarker.core.Environment.visit(Environment.java:221) at freemarker.core.MixedContent.accept(MixedContent.java:92) at freemarker.core.Environment.visit(Environment.java:221) at freemarker.core.Environment.process(Environment.java:199) at freemarker.template.Template.process(Template.java:259) at com.hbzy.core.html.generator.FileGenerator.createHtmlFile(FileGenerator.java:76) at com.hbzy.core.html.generator.ChannelGenerator.run(ChannelGenerator.java:122) at com.hbzy.core.html.generator.ThreadPool.run(ThreadPool.java:149) at java.lang.Thread.run(Thread.java:745)