diff --git a/src/main/java/io/github/linwancen/plugin/show/doc/JsonDocUtils.java b/src/main/java/io/github/linwancen/plugin/show/doc/JsonDocUtils.java
index 7a6861f..a2c4377 100644
--- a/src/main/java/io/github/linwancen/plugin/show/doc/JsonDocUtils.java
+++ b/src/main/java/io/github/linwancen/plugin/show/doc/JsonDocUtils.java
@@ -43,7 +43,7 @@ public class JsonDocUtils {
         for (PsiClass psiClass : psiClasses) {
             PsiField psiField = psiClass.findFieldByName(name, true);
             if (psiField == null) {
-                return null;
+                continue;
             }
             if (level == 0) {
                 return DocUtils.srcOrByteCodeDoc(psiField);
@@ -60,6 +60,11 @@ public class JsonDocUtils {
 
     @NotNull
     private static String toClassFullName(PsiField psiField) {
+        // <> only in .java
+        PsiElement navElement = psiField.getNavigationElement();
+        if (navElement instanceof PsiField) {
+            psiField = (PsiField) navElement;
+        }
         PsiTypeElement typeElement = psiField.getTypeElement();
         if (typeElement != null) {
             PsiJavaCodeReferenceElement code = typeElement.getInnermostComponentReferenceElement();
diff --git a/src/test/java/io/github/linwancen/plugin/show/demo/java/InDoc.java b/src/test/java/io/github/linwancen/plugin/show/demo/java/InDoc.java
index e7136fd..ddbcf7d 100644
--- a/src/test/java/io/github/linwancen/plugin/show/demo/java/InDoc.java
+++ b/src/test/java/io/github/linwancen/plugin/show/demo/java/InDoc.java
@@ -14,11 +14,11 @@ public class InDoc {
     /** field */
     public String field;
 
-    /** method() */
+    /** method1() */
     public void method1() {
     }
 
-    /** method(InDoc) */
+    /** method2(InDoc) */
     public void method2(InDoc inDoc) {
     }
 }
diff --git a/src/test/java/io/github/linwancen/plugin/show/demo/java/obj/Pojo.java b/src/test/java/io/github/linwancen/plugin/show/demo/java/obj/Pojo.java
new file mode 100644
index 0000000..9c8051f
--- /dev/null
+++ b/src/test/java/io/github/linwancen/plugin/show/demo/java/obj/Pojo.java
@@ -0,0 +1,23 @@
+package io.github.linwancen.plugin.show.demo.java.obj;
+
+import java.util.Date;
+import java.util.List;
+
+/** not doc */
+public class Pojo {
+    private int integer;
+    private String str;
+    private Date date;
+    private boolean bool;
+    private NestedClass nestedClass;
+    private NestedClass[] nestedClassArr;
+    private List<NestedClass> nestedClassList;
+
+    public static class NestedClass {
+        private NestedClass2 nestedClass2;
+
+        public static class NestedClass2 {
+            private String a;
+        }
+    }
+}
diff --git a/src/test/java/io/github/linwancen/plugin/show/demo/json/nested Pojo.json b/src/test/java/io/github/linwancen/plugin/show/demo/json/nested Pojo.json
index 0755524..b75e80d 100644
--- a/src/test/java/io/github/linwancen/plugin/show/demo/json/nested Pojo.json	
+++ b/src/test/java/io/github/linwancen/plugin/show/demo/json/nested Pojo.json	
@@ -1,14 +1,8 @@
 {
-  "nestedClassList": [
-    {
-      "nestedClass2": {
-        "a": ""
-      }
-    },
+  "nestedClass":
     {
       "nestedClass2": {
         "a": ""
       }
     }
-  ]
 }
\ No newline at end of file