优化查询浪潮接口，身份证为空清空

ruoyi-bussiness/src/main/java/com/ruoyi/cms/util/oauth/OauthClient.java

@@ -268,9 +268,11 @@ public class OauthClient {
      * @return
      */
     public String nwLcUserTag(String idCard){
-        String url=personTagUrl+"/"+idCard;
+        if (StringUtils.isBlank(idCard)) {
+            return null;
+        }
         try {
-            String result = HttpUtils.doGet(url);
+            String result = HttpUtils.doGet(personTagUrl+"/"+idCard);
             JSONObject json = JSONObject.parseObject(result);
             if(json.getIntValue("code") != 200){
                 return null;