fix：ip地址null异常

tduck-common/src/main/java/com/tduck/cloud/common/util/AddressUtils.java

@@ -33,14 +33,11 @@ public class AddressUtils {
 
     public static String getRealAddressByIP(String ip) {
         String address = UNKNOWN;
-        if (StrUtil.isBlank(ip)) {
-            return address;
-        }
+        try {
             // 内网不查询
             if (internalIp(ip)) {
                 return "内网IP";
             }
-        try {
             String rspStr = HttpUtil.get(StrUtil.format("{}?ip={}&json=true", IP_URL, ip));
             if (StrUtil.isEmpty(rspStr)) {
                 log.error("获取地理位置异常 {}", ip);