diff --git a/src/main/java/com/mesasoft/cn/sketch/api/BrightCloud.java b/src/main/java/com/mesasoft/cn/sketch/api/BrightCloud.java
index fd614ed..d600e3b 100644
--- a/src/main/java/com/mesasoft/cn/sketch/api/BrightCloud.java
+++ b/src/main/java/com/mesasoft/cn/sketch/api/BrightCloud.java
@@ -27,7 +27,7 @@ public class BrightCloud {
     private final HashMap<Integer, List<String>> catId2Info = new HashMap<>();
     private HttpURLConnection con;
 
-    private static BrightCloudConfig bcConfig =  (BrightCloudConfig) SpringContextUtil.getBean("brightCloudConfig");
+    private static BrightCloudConfig bcConfig = (BrightCloudConfig) SpringContextUtil.getBean("brightCloudConfig");
 
     public List<DomainCategory> getBrightCloudDomainCategory(List<String> domains) {
         JSONObject queryResults = getQueryResults(domains);
@@ -106,10 +106,15 @@ public class BrightCloud {
                 // json处理
                 JSONObject queries = jo.getJSONObject("queries");
                 JSONObject getInfo = queries.getJSONObject(bcConfig.getQueryType());
-
-                JSONObject cat = getInfo.getJSONArray("cats").getJSONObject(0);
-                Integer catId = cat.getInteger("catid");
                 String fqdn = jo.getString("url");
+                int catId = 0;
+                int catConf = 0;
+
+                if (getInfo.getJSONArray("cats") != null && getInfo.getJSONArray("cats").size() > 0) {
+                    JSONObject cat = getInfo.getJSONArray("cats").getJSONObject(0);
+                    catId = cat.getInteger("catid");
+                    catConf = cat.getInteger("conf");
+                }
                 domainFiles.add(new DomainCategory(
                         fqdn,
                         "brightcloud",
@@ -120,8 +125,9 @@ public class BrightCloud {
                         catId,
                         getCatInfo(catId).get(0),
                         getCatInfo(catId).get(1),
-                        cat.getInteger("conf"),
+                        catConf,
                         getInfo.getBoolean("a1cat")));
+
             }
         }
         return domainFiles;