fix

zhongzheng-system/src/main/java/com/zhongzheng/modules/wx/service/impl/WxPayServiceImpl.java

@@ -1270,7 +1270,7 @@ public class WxPayServiceImpl implements IWxPayService {
             result.put("signType", "MD5");
             result.put("sign", WXPayUtil.generateSignature(result, key, WXPayConstants.SignType.MD5));
             Map rMap = wxpay.refund(data);
-            log.info("微信退款结果:{}", JSON.toJSONString(rMap));
+            log.info("微信退款结果:{}"+JSON.toJSONString(rMap));
             return rMap;
         } catch (Exception e) {
             e.printStackTrace();