fix: 生产环境无白名单配置时，全局过滤器白名单标志获取错误问题

cloud-common/cloud-common-gateway/src/main/java/cn/sh/stc/sict/cloud/common/gateway/filter/RequestGlobalFilter.java

 package cn.sh.stc.sict.cloud.common.gateway.filter;
 
+import cn.hutool.json.JSONUtil;
 import cn.sh.stc.sict.cloud.common.core.constant.Constant;
 import cn.sh.stc.sict.cloud.common.core.constant.SecurityConstants;
 import cn.sh.stc.sict.cloud.common.core.util.R;
@@ -62,12 +63,12 @@ public class RequestGlobalFilter implements GlobalFilter, Ordered {
                     httpHeaders.remove(SecurityConstants.FROM);
                 })
                 .build();
-
+        log.error("这里没问题");
         // IP白名单
         String ip = WebUtils.getIP(request);
         // log.error("RemoteAddress = {}， ip = {}", request.getRemoteAddress(), ip);
         try {
-            if (whitIPConfig.getLimitFlag() && !IPStrUtil.matches(ip, whitIPConfig.getWhites())) {
+            if (whitIPConfig.getLimitFlag() != null && whitIPConfig.getLimitFlag() && !IPStrUtil.matches(ip, whitIPConfig.getWhites())) {
                 ServerHttpResponse response = exchange.getResponse();
                 response.setStatusCode(HttpStatus.PRECONDITION_REQUIRED);
                 response.getHeaders().set("Content-type", "application/json; charset=utf-8");
@@ -90,6 +91,7 @@ public class RequestGlobalFilter implements GlobalFilter, Ordered {
                 log.error("对象输出异常", e1);
             }
         }
+        log.error("这里没问题2");
         // 2. 重写StripPrefix
         addOriginalRequestUrl(exchange, request.getURI());
         String rawPath = request.getURI().getRawPath();
@@ -99,7 +101,7 @@ public class RequestGlobalFilter implements GlobalFilter, Ordered {
                 .path(newPath)
                 .build();
         exchange.getAttributes().put(GATEWAY_REQUEST_URL_ATTR, newRequest.getURI());
-
+        log.error("这里没问题3");
         return chain.filter(exchange.mutate()
                 .request(newRequest.mutate()
                         .build()).build());