diff --git a/src/com/linsage/Java2JsonAction.java b/src/com/linsage/Java2JsonAction.java
index b646639..69bcfcd 100644
--- a/src/com/linsage/Java2JsonAction.java
+++ b/src/com/linsage/Java2JsonAction.java
@@ -171,7 +171,7 @@ public static KV getFields(PsiClass psiClass, Set<String> classNames) {
     private static String getJsonKeyName(String name, String text) {
 
         String jsonKey = name;
-        if (text ==null||text ==""){
+        if (text ==null||"".equals(text)){
             return jsonKey;
         }
         String regPattern = "@JsonProperty\\(\"([\\w\\d_]+)\"\\)";