exam-system/src/main/java/com/gkhy/exam/pay/utils/PayUtils.java
@@ -408,7 +408,7 @@ String reqdatastr = JSONObject.toJSONString(payReqData); String mac = this.getMD5(appId + this.getBase64(reqdatastr)); String mac = this.getMD5(appId + "||" + this.getBase64(reqdatastr)); JSONObject jsonObject = new JSONObject(); jsonObject.put("appid", appId); jsonObject.put("mac", mac);