自定义表单[message]不存在

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FTL stack trace ("~" means nesting-related):
	- Failed at: @cms_custom_form code="message" ssi="...  [in template "guanhouen_pc/template/product_detail1.template.html" at line 378, column 11]
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Java stack trace (for programmers):
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freemarker.template.TemplateException: [... Exception message was already printed; see it above ...]
	at com.chestnut.customform.template.tag.CmsCustomFormTag.lambda$execute0$1(CmsCustomFormTag.java:109)
	at com.chestnut.common.utils.Assert.notNull(Assert.java:36)
	at com.chestnut.customform.template.tag.CmsCustomFormTag.execute0(CmsCustomFormTag.java:109)
	at com.chestnut.common.staticize.tag.AbstractTag.execute(AbstractTag.java:64)
	at freemarker.core.Environment.visit(Environment.java:452)
	at freemarker.core.UnifiedCall.accept(UnifiedCall.java:102)
	at freemarker.core.Environment.visit(Environment.java:335)
	at freemarker.core.Environment.visit(Environment.java:341)
	at freemarker.core.Environment.process(Environment.java:314)
	at com.chestnut.common.staticize.StaticizeService.process(StaticizeService.java:93)
	at com.chestnut.contentcore.publish.staticize.ContentStaticizeType.doContentStaticize(ContentStaticizeType.java:114)
	at com.chestnut.contentcore.publish.staticize.ContentStaticizeType.contentStaticize(ContentStaticizeType.java:74)
	at com.chestnut.contentcore.publish.staticize.ContentStaticizeType.staticize(ContentStaticizeType.java:65)
	at com.chestnut.contentcore.publish.strategies.ThreadPoolPublishStrategy.lambda$publish$0(ThreadPoolPublishStrategy.java:44)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:833)