diff --git a/zbook_backend/markdown/admonition/extend.go b/zbook_backend/markdown/admonition/extend.go
index 8fce607..0abb3f5 100644
--- a/zbook_backend/markdown/admonition/extend.go
+++ b/zbook_backend/markdown/admonition/extend.go
@@ -7,40 +7,49 @@ import (
 	"github.com/yuin/goldmark/util"
 )
 
-// This extender allows you to use admonitions in markdown
+// Extender allows you to use admonitions in markdown with different triggers.
 //
-// Admonitions are a markdown extension that allows you to style markdown as
-// nice boxes with a title. This is done by way of wrapping other elements in
-// divs with classes starting with "adm-"
+// Admonitions are a markdown extension that styles markdown as
+// boxes with titles, triggered by characters like '!' or '?'
 //
 // !!!note This is the title {.some-additional-class}
-// This is the admonition
+// This is the admonition content
 //
-// ## with a header
+// Example with a different trigger:
+// ???note Another type of admonition
 //
-// !!!danger Nesting is possible!
-// ```R
-// X <- as.data.table(iris)
-// X[Species != "virginica", mean(Sepal.Length), Species]
-// ```
-// !!!
-// !!!
+// You can now pass multiple trigger characters to support different
+// types of admonitions.
 type Extender struct {
-	priority int // optional int != 0. the priority value for parser and renderer. Defaults to 100.
+	priority     int    // optional int != 0. the priority value for parser and renderer. Defaults to 100.
+	triggerChars []byte // list of trigger characters (e.g., '!', '?')
 }
 
-// This implements the Extend method for goldmark-admonitions.Extender
+// NewExtender creates an Extender with specified trigger characters and priority.
+func NewExtender(priority int, triggerChars []byte) *Extender {
+	return &Extender{
+		priority:     priority,
+		triggerChars: triggerChars,
+	}
+}
+
+// Extend adds block parsers and node renderers to the markdown instance.
 func (e *Extender) Extend(md goldmark.Markdown) {
 	priority := 100
-
 	if e.priority != 0 {
 		priority = e.priority
 	}
-	md.Parser().AddOptions(
-		parser.WithBlockParsers(
-			util.Prioritized(&admonitionParser{}, priority),
-		),
-	)
+
+	// Add a parser for each trigger character
+	for _, char := range e.triggerChars {
+		md.Parser().AddOptions(
+			parser.WithBlockParsers(
+				util.Prioritized(NewAdmonitionParser(char), priority),
+			),
+		)
+	}
+
+	// Add the renderer
 	md.Renderer().AddOptions(
 		renderer.WithNodeRenderers(
 			util.Prioritized(&Renderer{}, priority),
diff --git a/zbook_backend/markdown/admonition/parser.go b/zbook_backend/markdown/admonition/parser.go
index dd69eac..5562743 100644
--- a/zbook_backend/markdown/admonition/parser.go
+++ b/zbook_backend/markdown/admonition/parser.go
@@ -11,21 +11,21 @@ import (
 )
 
 type admonitionParser struct {
+	triggerChar byte // The character that triggers the admonition, e.g., '!' or '?'
 }
 
-var defaultAdmonitionParser = &admonitionParser{}
-
-// NewAdmonitionParser returns a new BlockParser that
-// parses admonition blocks.
-func NewAdmonitionParser() parser.BlockParser {
-	return defaultAdmonitionParser
+// NewAdmonitionParser creates a new admonition parser with a specified trigger character.
+func NewAdmonitionParser(char byte) parser.BlockParser {
+	return &admonitionParser{
+		triggerChar: char,
+	}
 }
 
 type admonitionData struct {
 	ID                string   // The ID of the admonition. This enables nested admonitions with indentation
-	char              byte     // Currently, this is always "!"
+	char              byte     // Trigger character, e.g., '!' or '?'
 	indent            int      // The indentation of the opening (and closing) tags (!!!{})
-	length            int      // The length of the admonition, e.g. is it !!! or !!!!?
+	length            int      // The length of the admonition, e.g. is it !!! or ???
 	node              ast.Node // The node of the admonition
 	contentIndent     int      // The indentation of the content relative to the previous admonition block. The first line of the content is taken as its indentation. If you want an admonition with just a code block you need to use backticks
 	contentHasStarted bool     // Only used as an indicator if contentIndent has been set already
@@ -34,13 +34,13 @@ type admonitionData struct {
 var admonitionInfoKey = parser.NewContextKey()
 
 func (b *admonitionParser) Trigger() []byte {
-	return []byte{'!'}
+	return []byte{b.triggerChar}
 }
 
 func (b *admonitionParser) Open(parent ast.Node, reader text.Reader, pc parser.Context) (ast.Node, parser.State) {
 	line, _ := reader.PeekLine()
 	pos := pc.BlockOffset()
-	if pos < 0 || line[pos] != '!' {
+	if pos < 0 || line[pos] != b.triggerChar {
 		return nil, parser.NoChildren
 	}
 	findent := pos
@@ -108,6 +108,12 @@ func (b *admonitionParser) Open(parent ast.Node, reader text.Reader, pc parser.C
 	if close, _ := hasClosingTag(line, w, pos, fdata); w < fdata.indent || close {
 		return node, parser.NoChildren
 	}
+	indentClose :=
+		!util.IsBlank(line) &&
+			(w < fdata.indent || (w == fdata.indent && w <= fdata.contentIndent)) // mydebug:warning,这里w < fdata.contentIndent 修改添加=
+	if indentClose {
+		return node, parser.NoChildren
+	}
 	return node, parser.HasChildren
 }
 
diff --git a/zbook_backend/markdown/render/config.go b/zbook_backend/markdown/render/config.go
index 150def7..9a818ce 100644
--- a/zbook_backend/markdown/render/config.go
+++ b/zbook_backend/markdown/render/config.go
@@ -1,7 +1,6 @@
 package render
 
 import (
-	// admonitions "github.com/stefanfritsch/goldmark-admonitions"
 	"github.com/yuin/goldmark"
 	"github.com/yuin/goldmark/extension"
 	"github.com/yuin/goldmark/parser"
@@ -23,7 +22,7 @@ func GetMarkdownConfig() goldmark.Markdown {
 		),
 		goldmark.WithExtensions(extension.GFM),
 		goldmark.WithExtensions(
-			&admonitions.Extender{},
+			admonitions.NewExtender(100, []byte{'!', '?'}),
 		),
 		goldmark.WithExtensions(extension.NewCJK(extension.WithEastAsianLineBreaks(), extension.WithEscapedSpace())),
 		goldmark.WithExtensions(