- avoid openid is null.

business/jxutils/weixinmsg/weixinmsg.go

@@ -44,10 +44,11 @@ func GetWeixinOpenIDsFromStoreID(storeID int) (retVal []string) {
 	(SELECT id
 	FROM weixins
 	WHERE jxstoreid = ? AND parentid = -1) t2 ON t2.id = t1.parentid
+	WHERE openid IS NOT NULL
 	UNION
 	SELECT openid
 	FROM weixins
-	WHERE jxstoreid = ? AND parentid = -1
+	WHERE jxstoreid = ? AND parentid = -1 AND openid IS NOT NULL
 	`, storeID, storeID).ValuesList(&lists)
 	if err != nil || num == 0 {
 		globals.SugarLogger.Infof("can not find openid for store:%s, error:%v", storeID, err)