diff --git a/internal/pkg/util/string.go b/internal/pkg/util/string.go
index 5ccac7d..81b7e29 100644
--- a/internal/pkg/util/string.go
+++ b/internal/pkg/util/string.go
@@ -1,6 +1,9 @@
 package util
 
-import "strings"
+import (
+	"encoding/json"
+	"strings"
+)
 
 // 占位符替换  xxx{placeholder}xxx
 func ReplacePlaceholder(str string, placeholder string, value string) string {
@@ -11,3 +14,8 @@ func ReplacePlaceholder(str string, placeholder string, value string) string {
 func BuildJumpLink(url string, text string) string {
 	return "<a href=\"" + url + "\" target=\"_blank\">" + text + "</a>"
 }
+
+func EscapeJSONString(s string) string {
+	b, _ := json.Marshal(s)
+	return string(b[1 : len(b)-1])
+}
diff --git a/internal/services/callback.go b/internal/services/callback.go
index f1a9447..f0ef4fd 100644
--- a/internal/services/callback.go
+++ b/internal/services/callback.go
@@ -145,7 +145,7 @@ func (s *CallbackService) handleDingTalkCallback(c *fiber.Ctx, env Envelope) err
 
 		msg := data.Msg
 		msg = util.ReplacePlaceholder(msg, "receivers", receivers)
-		msg = util.ReplacePlaceholder(msg, "detail_page", detailPage)
+		msg = util.ReplacePlaceholder(msg, "detail_page", util.EscapeJSONString(detailPage))
 
 		s.gateway.SendToUid(sessionID, []byte(msg))