diff --git a/platformapi/jcqapi/jcqapi.go b/platformapi/jcqapi/jcqapi.go
index bd6cf648..34703608 100644
--- a/platformapi/jcqapi/jcqapi.go
+++ b/platformapi/jcqapi/jcqapi.go
@@ -57,6 +57,7 @@ func (a *API) signParam(params map[string]interface{}) (sig string) {
 	}
 	sort.Sort(sort.StringSlice(valueList))
 	sig = strings.Join(valueList, "&")
+	fmt.Println("sig", sig)
 	key := []byte(a.secretKey)
 	mac := hmac.New(sha1.New, key)
 	mac.Write([]byte(sig))
@@ -67,7 +68,7 @@ func (a *API) signParam(params map[string]interface{}) (sig string) {
 func (a *API) AccessAPI(action string, url string, bizParams map[string]interface{}) (retVal map[string]interface{}, err error) {
 	params := make(map[string]interface{})
 	params["accessKey"] = a.accessKey
-	params["dateTime"] = time.Now().UTC().Format("2006-01-02T15:04:05Z")
+	params["dateTime"] = time.Now().UTC().Format(time.RFC3339)
 	params = utils.MergeMaps(params, bizParams)
 	signStr := a.signParam(params)
 	params["signature"] = signStr