diff --git a/test/org/redkale/test/type/OneBean.java b/test/org/redkale/test/type/OneBean.java
new file mode 100644
index 000000000..b8ec19c49
--- /dev/null
+++ b/test/org/redkale/test/type/OneBean.java
@@ -0,0 +1,15 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.redkale.test.type;
+
+/**
+ *
+ * @author zhangjx
+ */
+public class OneBean {
+    
+        public int id;
+}
diff --git a/test/org/redkale/test/type/OneRound.java b/test/org/redkale/test/type/OneRound.java
new file mode 100644
index 000000000..a90a680c8
--- /dev/null
+++ b/test/org/redkale/test/type/OneRound.java
@@ -0,0 +1,14 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.redkale.test.type;
+
+/**
+ *
+ * @author zhangjx
+ */
+public class OneRound {
+    
+}
diff --git a/test/org/redkale/test/type/OneService.java b/test/org/redkale/test/type/OneService.java
new file mode 100644
index 000000000..88f6b9e40
--- /dev/null
+++ b/test/org/redkale/test/type/OneService.java
@@ -0,0 +1,22 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.redkale.test.type;
+
+import org.redkale.service.RetResult;
+
+/**
+ *
+ * @author zhangjx
+ * @param <OR>
+ * @param <OB>
+ */
+public class OneService<OR extends OneRound, OB extends OneBean> {
+
+    public RetResult run(OR round, OB bean) {
+        return RetResult.success();
+    }
+
+}
diff --git a/test/org/redkale/test/type/ThreeBean.java b/test/org/redkale/test/type/ThreeBean.java
new file mode 100644
index 000000000..b17ec09de
--- /dev/null
+++ b/test/org/redkale/test/type/ThreeBean.java
@@ -0,0 +1,15 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.redkale.test.type;
+
+/**
+ *
+ * @author zhangjx
+ */
+public class ThreeBean extends TwoBean {
+
+    public String desc;
+}
diff --git a/test/org/redkale/test/type/ThreeRound.java b/test/org/redkale/test/type/ThreeRound.java
new file mode 100644
index 000000000..a8487aec0
--- /dev/null
+++ b/test/org/redkale/test/type/ThreeRound.java
@@ -0,0 +1,14 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.redkale.test.type;
+
+/**
+ *
+ * @author zhangjx
+ */
+public class ThreeRound extends TwoRound {
+    
+}
diff --git a/test/org/redkale/test/type/ThreeService.java b/test/org/redkale/test/type/ThreeService.java
new file mode 100644
index 000000000..777a6e688
--- /dev/null
+++ b/test/org/redkale/test/type/ThreeService.java
@@ -0,0 +1,20 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.redkale.test.type;
+
+/**
+ *
+ * @author zhangjx
+ * @param <K>
+ * @param <ER>
+ * @param <EB>
+ */
+public class ThreeService<K extends CharSequence, ER extends ThreeRound, EB extends ThreeBean> extends OneService<ER, EB> {
+
+    public String key(K key) {
+        return "" + key;
+    }
+}
diff --git a/test/org/redkale/test/type/TwoBean.java b/test/org/redkale/test/type/TwoBean.java
new file mode 100644
index 000000000..0797ecbc0
--- /dev/null
+++ b/test/org/redkale/test/type/TwoBean.java
@@ -0,0 +1,15 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.redkale.test.type;
+
+/**
+ *
+ * @author zhangjx
+ */
+public class TwoBean extends OneBean {
+
+    public String name;
+}
diff --git a/test/org/redkale/test/type/TwoRound.java b/test/org/redkale/test/type/TwoRound.java
new file mode 100644
index 000000000..6ed43badf
--- /dev/null
+++ b/test/org/redkale/test/type/TwoRound.java
@@ -0,0 +1,14 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.redkale.test.type;
+
+/**
+ *
+ * @author zhangjx
+ */
+public class TwoRound extends OneRound {
+    
+}
diff --git a/test/org/redkale/test/type/TwoService.java b/test/org/redkale/test/type/TwoService.java
new file mode 100644
index 000000000..40e0f251e
--- /dev/null
+++ b/test/org/redkale/test/type/TwoService.java
@@ -0,0 +1,16 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.redkale.test.type;
+
+/**
+ *
+ * @author zhangjx
+ * @param <TR>
+ * @param <TB>
+ */
+public class TwoService<TR extends TwoRound, TB extends TwoBean> extends OneService<TR, TB> {
+      
+}
diff --git a/test/org/redkale/test/type/TypeTokenTest.java b/test/org/redkale/test/type/TypeTokenTest.java
new file mode 100644
index 000000000..88b0c3d42
--- /dev/null
+++ b/test/org/redkale/test/type/TypeTokenTest.java
@@ -0,0 +1,26 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.redkale.test.type;
+
+import java.lang.reflect.Method;
+import org.redkale.util.TypeToken;
+
+/**
+ *
+ * @author zhangjx
+ */
+public class TypeTokenTest {
+
+    public static void main(String[] args) throws Throwable {
+        Class declaringClass = TwoService.class;
+        for (Method method : declaringClass.getMethods()) {
+            if (!"run".equals(method.getName())) continue;
+            System.out.println(TypeToken.getGenericType(method.getGenericParameterTypes()[0], declaringClass));
+            break;
+        }
+    }
+
+}