diff --git a/middleware/sign/index.go b/middleware/sign/index.go
index f0284df..ac945b9 100644
--- a/middleware/sign/index.go
+++ b/middleware/sign/index.go
@@ -12,6 +12,8 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
+	"reflect"
+
 	"sort"
 	"strings"
 	"unicode/utf8"
@@ -169,6 +171,11 @@ func Check(req []byte, postdata interface{}, checkSign bool, checkToken bool) (c
 
 	var b bool
 
+	lxalilog.Errors(postdata)
+	lxalilog.Errors(reflect.TypeOf(postdata))
+	lxalilog.Errors(uint(reflect.TypeOf(postdata).Kind()))
+	lxalilog.Errors(reflect.TypeOf(postdata).Kind())
+
 	b, err = valid.Valid(postdata)
 	if err != nil {
 		code = code_msg.RECODE_PARAMERROR
--
libgit2 0.21.0