diff --git a/src/org/redkale/convert/ObjectDecoder.java b/src/org/redkale/convert/ObjectDecoder.java
index 3443d1760..76ac7b93d 100644
--- a/src/org/redkale/convert/ObjectDecoder.java
+++ b/src/org/redkale/convert/ObjectDecoder.java
@@ -6,7 +6,6 @@
 package org.redkale.convert;
 
 import java.beans.*;
-import static org.redkale.convert.ObjectEncoder.TYPEZERO;
 import org.redkale.util.Creator;
 import java.lang.reflect.*;
 import java.util.Arrays;
@@ -66,8 +65,6 @@ public final class ObjectDecoder<R extends Reader, T> implements Decodeable<R, T
             } else {
                 clazz = (Class) type;
             }
-            final Type[] virGenericTypes = this.typeClass.getTypeParameters();
-            final Type[] realGenericTypes = (type instanceof ParameterizedType) ? ((ParameterizedType) type).getActualTypeArguments() : TYPEZERO;
             this.creator = factory.loadCreator(clazz);
 
             final Set<DeMember> list = new HashSet();
@@ -78,7 +75,7 @@ public final class ObjectDecoder<R extends Reader, T> implements Decodeable<R, T
                     if (Modifier.isStatic(field.getModifiers())) continue;
                     ref = factory.findRef(field);
                     if (ref != null && ref.ignore()) continue;
-                    Type t = ObjectEncoder.makeGenericType(field.getGenericType(), virGenericTypes, realGenericTypes);
+                    Type t = ObjectEncoder.createClassType(field.getGenericType(), this.type);
                     list.add(new DeMember(ObjectEncoder.createAttribute(factory, clazz, field, null, null), factory.loadDecoder(t)));
                 }
                 final boolean reversible = factory.isReversible();
@@ -100,7 +97,7 @@ public final class ObjectDecoder<R extends Reader, T> implements Decodeable<R, T
                     }
                     ref = factory.findRef(method);
                     if (ref != null && ref.ignore()) continue;
-                    Type t = ObjectEncoder.makeGenericType(method.getGenericParameterTypes()[0], virGenericTypes, realGenericTypes);
+                    Type t = ObjectEncoder.createClassType(method.getGenericParameterTypes()[0], this.type);
                     list.add(new DeMember(ObjectEncoder.createAttribute(factory, clazz, null, null, method), factory.loadDecoder(t)));
                 }
                 if (cps != null) { //可能存在某些构造函数中的字段名不存在setter方法
@@ -116,19 +113,19 @@ public final class ObjectDecoder<R extends Reader, T> implements Decodeable<R, T
                         //不存在setter方法
                         try {
                             Field f = clazz.getDeclaredField(constructorField);
-                            Type t = ObjectEncoder.makeGenericType(f.getGenericType(), virGenericTypes, realGenericTypes);
+                            Type t = ObjectEncoder.createClassType(f.getGenericType(), this.type);
                             list.add(new DeMember(ObjectEncoder.createAttribute(factory, clazz, f, null, null), factory.loadDecoder(t)));
                         } catch (NoSuchFieldException nsfe) { //不存在field， 可能存在getter方法
                             char[] fs = constructorField.toCharArray();
                             fs[0] = Character.toUpperCase(fs[0]);
                             String mn = new String(fs);
-                            Method getter = null;
+                            Method getter;
                             try {
                                 getter = clazz.getMethod("get" + mn);
                             } catch (NoSuchMethodException ex) {
                                 getter = clazz.getMethod("is" + mn);
                             }
-                            Type t = ObjectEncoder.makeGenericType(getter.getGenericParameterTypes()[0], virGenericTypes, realGenericTypes);
+                            Type t = ObjectEncoder.createClassType(getter.getGenericParameterTypes()[0], this.type);
                             list.add(new DeMember(ObjectEncoder.createAttribute(factory, clazz, null, getter, null), factory.loadDecoder(t)));
                         }
                     }
diff --git a/src/org/redkale/convert/ObjectEncoder.java b/src/org/redkale/convert/ObjectEncoder.java
index 99592cf0a..6bdd01e09 100644
--- a/src/org/redkale/convert/ObjectEncoder.java
+++ b/src/org/redkale/convert/ObjectEncoder.java
@@ -46,53 +46,178 @@ public final class ObjectEncoder<W extends Writer, T> implements Encodeable<W, T
         this.members = new EnMember[0];
     }
 
-    static Type makeGenericType(final Type type, final Type[] virGenericTypes, final Type[] realGenericTypes) {
-        if (type instanceof Class) {
-            return type;
-        } else if (type instanceof ParameterizedType) {
-            final ParameterizedType pt = (ParameterizedType) type;
-            Type[] paramTypes = pt.getActualTypeArguments();
-            final Type[] newTypes = new Type[paramTypes.length];
-            int count = 0;
-            for (int i = 0; i < newTypes.length; i++) {
-                newTypes[i] = makeGenericType(paramTypes[i], virGenericTypes, realGenericTypes);
-                if (paramTypes[i] == newTypes[i]) count++;
+    public void init(final Factory factory) {
+        this.factory = factory;
+        try {
+            if (type == Object.class) return;
+            //if (!(type instanceof Class)) throw new ConvertException("[" + type + "] is no a class");
+            final Class clazz = this.typeClass;
+            final Set<EnMember> list = new HashSet();
+            final ConstructorProperties cps = ObjectEncoder.findConstructorProperties(factory.loadCreator(this.typeClass));
+            try {
+                ConvertColumnEntry ref;
+                for (final Field field : clazz.getFields()) {
+                    if (Modifier.isStatic(field.getModifiers())) continue;
+                    ref = factory.findRef(field);
+                    if (ref != null && ref.ignore()) continue;
+                    Type t = createClassType(field.getGenericType(), this.type);
+                    list.add(new EnMember(createAttribute(factory, clazz, field, null, null), factory.loadEncoder(t)));
+                }
+                final boolean reversible = factory.isReversible();
+                for (final Method method : clazz.getMethods()) {
+                    if (Modifier.isStatic(method.getModifiers())) continue;
+                    if (Modifier.isAbstract(method.getModifiers())) continue;
+                    if (method.isSynthetic()) continue;
+                    if (method.getName().length() < 3) continue;
+                    if (method.getName().equals("getClass")) continue;
+                    if (!method.getName().startsWith("is") && !method.getName().startsWith("get")) continue;
+                    if (method.getParameterTypes().length != 0) continue;
+                    if (method.getReturnType() == void.class) continue;
+                    if (reversible && (cps == null || !contains(cps.value(), readGetSetFieldName(method)))) {
+                        boolean is = method.getName().startsWith("is");
+                        try {
+                            clazz.getMethod(method.getName().replaceFirst(is ? "is" : "get", "set"), method.getReturnType());
+                        } catch (Exception e) {
+                            continue;
+                        }
+                    }
+                    ref = factory.findRef(method);
+                    if (ref != null && ref.ignore()) continue;
+                    Type t = createClassType(method.getGenericReturnType(), this.type);
+                    list.add(new EnMember(createAttribute(factory, clazz, null, method, null), factory.loadEncoder(t)));
+                }
+                this.members = list.toArray(new EnMember[list.size()]);
+                Arrays.sort(this.members);
+
+            } catch (Exception ex) {
+                throw new ConvertException(ex);
+            }
+        } finally {
+            inited = true;
+            synchronized (lock) {
+                lock.notifyAll();
             }
-            if (count == paramTypes.length) return pt;
-            return new ParameterizedType() {
-
-                @Override
-                public Type[] getActualTypeArguments() {
-                    return newTypes;
-                }
-
-                @Override
-                public Type getRawType() {
-                    return pt.getRawType();
-                }
-
-                @Override
-                public Type getOwnerType() {
-                    return pt.getOwnerType();
-                }
-
-            };
         }
-        if (realGenericTypes == null) return type;
-        if (type instanceof WildcardType) {
+    }
+
+    @Override
+    public final void convertTo(W out, T value) {
+        if (value == null) {
+            out.wirteClassName(null);
+            out.writeNull();
+            return;
+        }
+        if (!this.inited) {
+            synchronized (lock) {
+                try {
+                    lock.wait();
+                } catch (Exception e) {
+                    e.printStackTrace();
+                }
+            }
+        }
+        if (value != null && value.getClass() != this.typeClass) {
+            final Class clz = value.getClass();
+            out.wirteClassName(factory.getEntity(clz));
+            factory.loadEncoder(clz).convertTo(out, value);
+            return;
+        }
+        out.writeObjectB(members.length, value);
+        boolean comma = false;
+        for (EnMember member : members) {
+            comma = member.write(out, comma, value);
+        }
+        out.writeObjectE(value);
+    }
+
+    @Override
+    public final Type getType() {
+        return this.type;
+    }
+
+    @Override
+    public String toString() {
+        return "ObjectEncoder{" + "type=" + type + ", members=" + Arrays.toString(members) + '}';
+    }
+
+    static Type createClassType(final Type type, final Type declaringType) {
+        if (TypeToken.isClassType(type)) return type;
+        //存在通配符则declaringType 必须是 ParameterizedType
+        if (!(declaringType instanceof ParameterizedType)) return Object.class;
+        if (type instanceof ParameterizedType) {  // e.g. Map<String, String>
+            final ParameterizedType pt = (ParameterizedType) type;
+            final Type[] paramTypes = pt.getActualTypeArguments();
+            for (int i = 0; i < paramTypes.length; i++) {
+                paramTypes[i] = createClassType(paramTypes[i], declaringType);
+            }
+            return TypeToken.createParameterizedType(pt.getOwnerType(), pt.getRawType(), paramTypes);
+        }
+
+        final ParameterizedType declaringPType = (ParameterizedType) declaringType;
+        final Type[] virTypes = ((Class) declaringPType.getRawType()).getTypeParameters();
+        final Type[] desTypes = declaringPType.getActualTypeArguments();
+        if (type instanceof WildcardType) {   // e.g. <? extends Serializable>
             final WildcardType wt = (WildcardType) type;
             for (Type f : wt.getUpperBounds()) {
-                for (int i = 0; i < virGenericTypes.length; i++) {
-                    if (virGenericTypes[i] == f) return realGenericTypes.length == 0 ? Object.class : realGenericTypes[i];
+                for (int i = 0; i < virTypes.length; i++) {
+                    if (virTypes[i].equals(f)) return desTypes.length <= i ? Object.class : desTypes[i];
                 }
             }
-        } else if (type instanceof TypeVariable) {
-            for (int i = 0; i < virGenericTypes.length; i++) {
-                if (virGenericTypes[i] == type) return i >= realGenericTypes.length ? Object.class : realGenericTypes[i];
+        } else if (type instanceof TypeVariable) { // e.g.  <? extends E>
+            for (int i = 0; i < virTypes.length; i++) {
+                if (virTypes[i].equals(type)) return desTypes.length <= i ? Object.class : desTypes[i];
             }
         }
         return type;
     }
+//
+//    static Type makeGenericType(final Type type, final Type[] virGenericTypes, final Type[] realGenericTypes) {
+//        if (type instanceof Class) {  //e.g. String
+//            return type;
+//        } else if (type instanceof ParameterizedType) {  //e.g. Map<String, String>
+//            final ParameterizedType pt = (ParameterizedType) type;
+//            Type[] paramTypes = pt.getActualTypeArguments();
+//            final Type[] newTypes = new Type[paramTypes.length];
+//            int count = 0;
+//            for (int i = 0; i < newTypes.length; i++) {
+//                newTypes[i] = makeGenericType(paramTypes[i], virGenericTypes, realGenericTypes);
+//                if (paramTypes[i] == newTypes[i]) count++;
+//            }
+//            if (count == paramTypes.length) return pt;
+//            return new ParameterizedType() {
+//
+//                @Override
+//                public Type[] getActualTypeArguments() {
+//                    return newTypes;
+//                }
+//
+//                @Override
+//                public Type getRawType() {
+//                    return pt.getRawType();
+//                }
+//
+//                @Override
+//                public Type getOwnerType() {
+//                    return pt.getOwnerType();
+//                }
+//
+//            };
+//        }
+//        if (realGenericTypes == null) return type;
+//        if (type instanceof WildcardType) {   // e.g. <? extends Serializable>
+//            final WildcardType wt = (WildcardType) type;
+//            for (Type f : wt.getUpperBounds()) {
+//                for (int i = 0; i < virGenericTypes.length; i++) {
+//                    if (virGenericTypes[i] == f) return realGenericTypes.length == 0 ? Object.class : realGenericTypes[i];
+//                }
+//            }
+//        } else if (type instanceof TypeVariable) { // e.g.  <? extends E>
+//            for (int i = 0; i < virGenericTypes.length; i++) {
+//                if (virGenericTypes[i] == type) return i >= realGenericTypes.length ? Object.class : realGenericTypes[i];
+//            }
+//        }
+//        return type;
+//    }
 
     static boolean contains(String[] values, String value) {
         for (String str : values) {
@@ -151,102 +276,4 @@ public final class ObjectEncoder<W extends Writer, T> implements Encodeable<W, T
         return Attribute.create(clazz, fieldalias, field, getter, setter);
     }
 
-    public void init(final Factory factory) {
-        this.factory = factory;
-        try {
-            if (type == Object.class) return;
-            //if (!(type instanceof Class)) throw new ConvertException("[" + type + "] is no a class");
-            final Class clazz = this.typeClass;
-            final Set<EnMember> list = new HashSet();
-            final Type[] virGenericTypes = this.typeClass.getTypeParameters();
-            final Type[] realGenericTypes = (type instanceof ParameterizedType) ? ((ParameterizedType) type).getActualTypeArguments() : null;
-            if (realGenericTypes != null) {
-                //    println(type + "," + Arrays.toString(virGenericTypes) + ", " + Arrays.toString(realGenericTypes));
-            }
-            final ConstructorProperties cps = ObjectEncoder.findConstructorProperties(factory.loadCreator(this.typeClass));
-            try {
-                ConvertColumnEntry ref;
-                for (final Field field : clazz.getFields()) {
-                    if (Modifier.isStatic(field.getModifiers())) continue;
-                    ref = factory.findRef(field);
-                    if (ref != null && ref.ignore()) continue;
-                    Type t = makeGenericType(field.getGenericType(), virGenericTypes, realGenericTypes);
-                    list.add(new EnMember(createAttribute(factory, clazz, field, null, null), factory.loadEncoder(t)));
-                }
-                final boolean reversible = factory.isReversible();
-                for (final Method method : clazz.getMethods()) {
-                    if (Modifier.isStatic(method.getModifiers())) continue;
-                    if (Modifier.isAbstract(method.getModifiers())) continue;
-                    if (method.isSynthetic()) continue;
-                    if (method.getName().length() < 3) continue;
-                    if (method.getName().equals("getClass")) continue;
-                    if (!method.getName().startsWith("is") && !method.getName().startsWith("get")) continue;
-                    if (method.getParameterTypes().length != 0) continue;
-                    if (method.getReturnType() == void.class) continue;
-                    if (reversible && (cps == null || !contains(cps.value(), readGetSetFieldName(method)))) {
-                        boolean is = method.getName().startsWith("is");
-                        try {
-                            clazz.getMethod(method.getName().replaceFirst(is ? "is" : "get", "set"), method.getReturnType());
-                        } catch (Exception e) {
-                            continue;
-                        }
-                    }
-                    ref = factory.findRef(method);
-                    if (ref != null && ref.ignore()) continue;
-                    Type t = makeGenericType(method.getGenericReturnType(), virGenericTypes, realGenericTypes);
-                    list.add(new EnMember(createAttribute(factory, clazz, null, method, null), factory.loadEncoder(t)));
-                }
-                this.members = list.toArray(new EnMember[list.size()]);
-                Arrays.sort(this.members);
-
-            } catch (Exception ex) {
-                throw new ConvertException(ex);
-            }
-        } finally {
-            inited = true;
-            synchronized (lock) {
-                lock.notifyAll();
-            }
-        }
-    }
-
-    @Override
-    public final void convertTo(W out, T value) {
-        if (value == null) {
-            out.wirteClassName(null);
-            out.writeNull();
-            return;
-        }
-        if (!this.inited) {
-            synchronized (lock) {
-                try {
-                    lock.wait();
-                } catch (Exception e) {
-                    e.printStackTrace();
-                }
-            }
-        }
-        if (value != null && value.getClass() != this.typeClass) {
-            final Class clz = value.getClass();
-            out.wirteClassName(factory.getEntity(clz));
-            factory.loadEncoder(clz).convertTo(out, value);
-            return;
-        }
-        out.writeObjectB(members.length, value);
-        boolean comma = false;
-        for (EnMember member : members) {
-            comma = member.write(out, comma, value);
-        }
-        out.writeObjectE(value);
-    }
-
-    @Override
-    public final Type getType() {
-        return this.type;
-    }
-
-    @Override
-    public String toString() {
-        return "ObjectEncoder{" + "type=" + type + ", members=" + Arrays.toString(members) + '}';
-    }
 }
diff --git a/src/org/redkale/util/TypeToken.java b/src/org/redkale/util/TypeToken.java
index 8920ce899..5382198a4 100644
--- a/src/org/redkale/util/TypeToken.java
+++ b/src/org/redkale/util/TypeToken.java
@@ -4,8 +4,9 @@
  */
 package org.redkale.util;
 
-import java.lang.reflect.ParameterizedType;
 import java.lang.reflect.Type;
+import java.lang.reflect.*;
+import java.util.*;
 import jdk.internal.org.objectweb.asm.*;
 import static jdk.internal.org.objectweb.asm.Opcodes.*;
 
@@ -29,7 +30,107 @@ public abstract class TypeToken<T> {
         return type;
     }
 
-    public static Type createParameterizedType(final Type ownerType, final Type rawType, final Type... actualTypeArguments) {
+    /**
+     * 判断Type是否能确定最终的class， 是则返回true，存在通配符或者不确定类型则返回false。
+     * 例如: Map&#60; String, String &#62; 返回 ture; Map&#60; ? extends Serializable, String &#62; 返回false;
+     *
+     * @param type
+     * @return
+     */
+    public final static boolean isClassType(final Type type) {
+        if (type instanceof Class) return true;
+        if (type instanceof WildcardType) return false;
+        if (type instanceof TypeVariable) return false;
+        if (type instanceof GenericArrayType) return isClassType(((GenericArrayType) type).getGenericComponentType());
+        if (!(type instanceof ParameterizedType)) return false; //只能是null了
+        final ParameterizedType ptype = (ParameterizedType) type;
+        if (ptype.getOwnerType() != null && !isClassType(ptype.getOwnerType())) return false;
+        if (!isClassType(ptype.getRawType())) return false;
+        for (Type t : ptype.getActualTypeArguments()) {
+            if (!isClassType(t)) return false;
+        }
+        return true;
+    }
+
+    /**
+     * 动态创建 ParameterizedType
+     *
+     * @param ownerType0
+     * @param rawType0
+     * @param actualTypeArguments0
+     * @return
+     */
+    public static Type createParameterizedType(final Type ownerType0, final Type rawType0, final Type... actualTypeArguments0) {
+        if (ownerType0 == null && rawType0 instanceof Class) {
+            final Class[] actualClassArguments = new Class[actualTypeArguments0.length];
+            int count = 0;
+            for (int i = 0; i < actualTypeArguments0.length; i++) {
+                if (actualTypeArguments0[i] instanceof Class) {
+                    actualClassArguments[i] = (Class) actualTypeArguments0[i];
+                    count++;
+                }
+            }
+            if (count == actualClassArguments.length) return createParameterizedType((Class) rawType0, actualClassArguments);
+        }
+        return new ParameterizedType() {
+            private final Class<?> rawType = (Class<?>) rawType0;
+
+            private final Type ownerType = ownerType0;
+
+            private final Type[] argTypes = actualTypeArguments0;
+
+            @Override
+            public Type[] getActualTypeArguments() {
+                return argTypes.clone();
+            }
+
+            @Override
+            public Type getRawType() {
+                return rawType;
+            }
+
+            @Override
+            public Type getOwnerType() {
+                return ownerType;
+            }
+
+            @Override
+            public int hashCode() {
+                return Arrays.hashCode(argTypes) ^ Objects.hashCode(rawType) ^ Objects.hashCode(ownerType);
+            }
+
+            @Override
+            public boolean equals(Object o) {
+                if (!(o instanceof ParameterizedType)) return false;
+                final ParameterizedType that = (ParameterizedType) o;
+                if (this == that) return true;
+                return Objects.equals(ownerType, that.getOwnerType())
+                        && Objects.equals(rawType, that.getRawType())
+                        && Arrays.equals(argTypes, that.getActualTypeArguments());
+            }
+
+            @Override
+            public String toString() {
+                StringBuilder sb = new StringBuilder();
+                if (ownerType != null) sb.append((ownerType instanceof Class) ? (((Class) ownerType).getName()) : ownerType.toString()).append(".");
+                sb.append(rawType.getName());
+
+                if (argTypes != null && argTypes.length > 0) {
+                    sb.append("<");
+                    boolean first = true;
+                    for (Type t : argTypes) {
+                        if (!first) sb.append(", ");
+                        sb.append(t.getTypeName());
+                        first = false;
+                    }
+                    sb.append(">");
+                }
+                return sb.toString();
+            }
+        };
+    }
+
+    private static Type createParameterizedType(final Class rawType, final Class... actualTypeArguments) {
         ClassLoader loader = TypeToken.class.getClassLoader();
         String newDynName = TypeToken.class.getName().replace('.', '/') + "_Dyn" + System.currentTimeMillis();
         for (;;) {
@@ -44,11 +145,11 @@ public abstract class TypeToken<T> {
         FieldVisitor fv;
         MethodVisitor mv;
         cw.visit(V1_8, ACC_PUBLIC + ACC_FINAL + ACC_SUPER, newDynName, null, "java/lang/Object", null);
-        String rawTypeDesc = jdk.internal.org.objectweb.asm.Type.getDescriptor((Class) rawType);
+        String rawTypeDesc = jdk.internal.org.objectweb.asm.Type.getDescriptor(rawType);
         StringBuilder sb = new StringBuilder();
         sb.append(rawTypeDesc.substring(0, rawTypeDesc.length() - 1)).append('<');
-        for (Type c : actualTypeArguments) {
-            sb.append(jdk.internal.org.objectweb.asm.Type.getDescriptor((Class) c));
+        for (Class c : actualTypeArguments) {
+            sb.append(jdk.internal.org.objectweb.asm.Type.getDescriptor(c));
         }
         sb.append(">;");
         {