diff --git a/platformapi/jdapi/im.go b/platformapi/jdapi/im.go
index c4b3b8a6..24cddf96 100644
--- a/platformapi/jdapi/im.go
+++ b/platformapi/jdapi/im.go
@@ -74,7 +74,10 @@ func ImChatRiskMsg(request *http.Request) (back []byte, url string, err error) {
 	if err != nil {
 		return nil, "", err
 	}
-	return data, msgURL, err
+	values, err := utils.HTTPBody2Values(data, false)
+	valuesMap := utils.URLValues2Map(values)
+
+	return utils.MustMarshal(valuesMap), msgURL, err
 }
 
 func ImMsgChange(msg *ChatRisMsgCallback, msgURL string) (info *ChatRisInfo, user *UserChatMsg, read *UserMsgReadAck, err error) {