diff --git a/src/main/java/com/alibaba/fastjson/JSONPath.java b/src/main/java/com/alibaba/fastjson/JSONPath.java
index a8cc592d93..837e0fcdd9 100644
--- a/src/main/java/com/alibaba/fastjson/JSONPath.java
+++ b/src/main/java/com/alibaba/fastjson/JSONPath.java
@@ -873,11 +873,8 @@ private static void paths(Map<Object, String> values, Map<String, Object> paths,
                 Map<String, Object> fieldValues = javaBeanSerializer.getFieldValuesMap(javaObject);
                 for (Map.Entry<String, Object> entry : fieldValues.entrySet()) {
                     String key = entry.getKey();
-
-                    if (key instanceof String) {
-                        String path = parent.equals("/") ?  "/" + key : parent + "/" + key;
-                        paths(values, paths, path, entry.getValue(), config);
-                    }
+                    String path = parent.equals("/") ?  "/" + key : parent + "/" + key;
+                    paths(values, paths, path, entry.getValue(), config);
                 }
             } catch (Exception e) {
                 throw new JSONException("toJSON error", e);
@@ -4086,7 +4083,6 @@ protected void deepSet(final Object currentObject, final String propertyName, lo
             Map map = (Map) currentObject;
 
             if (map.containsKey(propertyName)) {
-                Object val = map.get(propertyName);
                 map.put(propertyName, value);
                 return;
             }