- when retry for jddj api, use different timestamp to distinguish request

platformapi/jdapi/jdapi.go

@@ -157,12 +157,12 @@ func (a *API) AccessAPI(apiStr string, jdParams map[string]interface{}) (retVal
 		userGet = false
 	}
 	params["jd_param_json"] = jdParamStr
-	params["timestamp"] = utils.GetCurTimeStr()
-	sign := a.signParams(params)
-	params[signKey] = sign
 
 	err = platformapi.AccessPlatformAPIWithRetry(a.client,
 		func() *http.Request {
+			params["timestamp"] = utils.GetCurTimeStr()
+			sign := a.signParams(params)
+			params[signKey] = sign
 			var request *http.Request
 			if userGet {
 				fullURL := utils.GenerateGetURL(prodURL, apiStr, params)