diff --git a/src/main/java/com/alibaba/fastjson/serializer/ASMSerializerFactory.java b/src/main/java/com/alibaba/fastjson/serializer/ASMSerializerFactory.java
index 336d33ea9..5ff3cf62f 100644
--- a/src/main/java/com/alibaba/fastjson/serializer/ASMSerializerFactory.java
+++ b/src/main/java/com/alibaba/fastjson/serializer/ASMSerializerFactory.java
@@ -342,8 +342,7 @@ public class ASMSerializerFactory implements Opcodes {
 
         for (int i = 0; i < size; ++i) {
             FieldInfo property = getters.get(i);
-            Method method = property.getMethod();
-            Class<?> propertyClass = method.getReturnType();
+            Class<?> propertyClass = property.getFieldClass();
 
             mw.visitLdcInsn(property.getName());
             mw.visitVarInsn(ASTORE, context.fieldName());
@@ -741,7 +740,7 @@ public class ASMSerializerFactory implements Opcodes {
     private void _list(Class<?> clazz, MethodVisitor mw, FieldInfo property, Context context) {
         Method method = property.getMethod();
 
-        Type propertyType = method.getGenericReturnType();
+        Type propertyType = property.getFieldType();
 
         Type elementType;
         if (propertyType instanceof Class) {
diff --git a/src/main/java/com/alibaba/fastjson/serializer/FieldSerializer.java b/src/main/java/com/alibaba/fastjson/serializer/FieldSerializer.java
index 25143d2c1..4af593b7a 100644
--- a/src/main/java/com/alibaba/fastjson/serializer/FieldSerializer.java
+++ b/src/main/java/com/alibaba/fastjson/serializer/FieldSerializer.java
@@ -36,7 +36,7 @@ public abstract class FieldSerializer implements Comparable<FieldSerializer> {
     public FieldSerializer(FieldInfo fieldInfo){
         super();
         this.fieldInfo = fieldInfo;
-        fieldInfo.getMethod().setAccessible(true);
+        fieldInfo.setAccessible(true);
 
         this.double_quoted_fieldPrefix = '"' + fieldInfo.getName() + "\":";
 
@@ -89,7 +89,7 @@ public abstract class FieldSerializer implements Comparable<FieldSerializer> {
     }
 
     public Object getPropertyValue(Object object) throws Exception {
-        return getMethod().invoke(object);
+        return fieldInfo.get(object);
     }
 
     public abstract void writeProperty(JSONSerializer serializer, Object propertyValue) throws Exception;
diff --git a/src/main/java/com/alibaba/fastjson/serializer/JavaBeanSerializer.java b/src/main/java/com/alibaba/fastjson/serializer/JavaBeanSerializer.java
index b6f91ee79..d13e52b70 100644
--- a/src/main/java/com/alibaba/fastjson/serializer/JavaBeanSerializer.java
+++ b/src/main/java/com/alibaba/fastjson/serializer/JavaBeanSerializer.java
@@ -184,7 +184,7 @@ public class JavaBeanSerializer implements ObjectSerializer {
     }
 
     public FieldSerializer createFieldSerializer(FieldInfo fieldInfo) {
-        Class<?> clazz = fieldInfo.getMethod().getReturnType();
+        Class<?> clazz = fieldInfo.getFieldClass();
 
         if (clazz == Number.class) {
             return new NumberFieldSerializer(fieldInfo);
diff --git a/src/main/java/com/alibaba/fastjson/util/FieldInfo.java b/src/main/java/com/alibaba/fastjson/util/FieldInfo.java
index f4700e647..537b0f21f 100644
--- a/src/main/java/com/alibaba/fastjson/util/FieldInfo.java
+++ b/src/main/java/com/alibaba/fastjson/util/FieldInfo.java
@@ -93,7 +93,9 @@ public class FieldInfo implements Comparable<FieldInfo> {
 
     public <T extends Annotation> T getAnnotation(Class<T> annotationClass) {
         T annotation = null;
-        annotation = method.getAnnotation(annotationClass);
+        if (method != null) {
+            annotation = method.getAnnotation(annotationClass);
+        }
 
         if (annotation == null) {
             if (field != null) {
@@ -109,7 +111,16 @@ public class FieldInfo implements Comparable<FieldInfo> {
             Object value = method.invoke(javaObject, new Object[0]);
             return value;
         }
-        
+
         return field.get(javaObject);
     }
+
+    public void setAccessible(boolean flag) throws SecurityException {
+        if (method != null) {
+            method.setAccessible(flag);
+            return;
+        }
+
+        field.setAccessible(flag);
+    }
 }
diff --git a/src/test/java/com/alibaba/json/test/bvt/bug/Bug_101_for_rongganlin.java b/src/test/java/com/alibaba/json/test/bvt/bug/Bug_101_for_rongganlin.java
index be29440c0..3aca6fe7b 100644
--- a/src/test/java/com/alibaba/json/test/bvt/bug/Bug_101_for_rongganlin.java
+++ b/src/test/java/com/alibaba/json/test/bvt/bug/Bug_101_for_rongganlin.java
@@ -26,6 +26,7 @@ public class Bug_101_for_rongganlin extends TestCase {
         structure.groups = groups;
 
         System.out.println(JSON.toJSON(structure));
+        System.out.println(JSON.toJSONString(structure));
     }
 
     class Structure {
diff --git a/src/test/java/com/alibaba/json/test/bvt/bug/Bug_101_for_rongganlin_case2.java b/src/test/java/com/alibaba/json/test/bvt/bug/Bug_101_for_rongganlin_case2.java
new file mode 100644
index 000000000..8144f2aac
--- /dev/null
+++ b/src/test/java/com/alibaba/json/test/bvt/bug/Bug_101_for_rongganlin_case2.java
@@ -0,0 +1,65 @@
+package com.alibaba.json.test.bvt.bug;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import junit.framework.TestCase;
+
+import com.alibaba.fastjson.JSON;
+
+public class Bug_101_for_rongganlin_case2 extends TestCase {
+
+    public void test_for_bug() throws Exception {
+        Structure structure = new Structure();
+        List<Group> groups = new ArrayList<Group>();
+
+        List<Element> elemA = new ArrayList<Element>();
+        elemA.add(new Text().set("t.a", "v.t.a"));
+        elemA.add(new Image().set("i.a", "v.i.a"));
+        groups.add(new Group().set(elemA));
+
+        List<Element> elemB = new ArrayList<Element>();
+        elemB.add(new Text().set("t.b", "v.t.b"));
+        elemB.add(new Image().set("i.b", "v.i.b"));
+        groups.add(new Group().set(elemB));
+
+        structure.groups = groups;
+
+        System.out.println(JSON.toJSONString(structure));
+    }
+
+    public static class Structure {
+
+        public List<Group> groups;
+    }
+
+    public static class Group implements Object {
+
+        public List<Element> elements;
+
+        public Group set(List<Element> items) {
+            this.elements = items;
+            return this;
+        }
+    }
+
+    public static interface Object {
+    }
+
+    public static abstract class Element {
+
+        public String key, value;
+
+        public Element set(String key, String value) {
+            this.key = key;
+            this.value = value;
+            return this;
+        }
+    }
+
+    public static class Text extends Element {
+    }
+
+    public static class Image extends Element {
+    }
+}