diff --git a/platformapi/jcqapi/jcqapi.go b/platformapi/jcqapi/jcqapi.go
index 7db454cd..bd6cf648 100644
--- a/platformapi/jcqapi/jcqapi.go
+++ b/platformapi/jcqapi/jcqapi.go
@@ -67,7 +67,7 @@ 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()
+	params["dateTime"] = time.Now().UTC().Format("2006-01-02T15:04:05Z")
 	params = utils.MergeMaps(params, bizParams)
 	signStr := a.signParam(params)
 	params["signature"] = signStr