update

@@ -126,7 +126,7 @@ public class RedirectServiceImpl implements IRedirectService {
         }
         if (SourceEnum.FANLI_WAP.getValue().equals(uionReqVO.getUnion_type())) {
             redirectUrl = WAP_REDIRECT_URL;
-            targetUrl.append(StringUtils.isEmpty(targetUrl) ? WAP_URL : uionReqVO.getTarget_url());
+            targetUrl.append(StringUtils.isEmpty(uionReqVO.getTarget_url()) ? WAP_URL : uionReqVO.getTarget_url());
         }
         targetUrl.append("?union_type=").append(uionReqVO.getUnion_type()).append("&utm_source=").append(uionReqVO.getUtm_source())
                 .append("&utm_medium=").append(uionReqVO.getUtm_medium()).append("&utm_campaign=").append(uionReqVO.getUtm_campaign());