diff --git a/src/org/redkale/util/Creator.java b/src/org/redkale/util/Creator.java
index ceac35ba7..134810f9d 100644
--- a/src/org/redkale/util/Creator.java
+++ b/src/org/redkale/util/Creator.java
@@ -49,7 +49,7 @@ public interface Creator<T> {
         }
         Constructor<T> constructor = null;
         for (Constructor c : clazz.getConstructors()) {
-            if (c.getParameterCount() == 0) {
+            if (c.getParameterTypes().length == 0) { //为了兼容android 而不使用 getParameterCount()
                 constructor = c;
                 break;
             }
@@ -93,8 +93,8 @@ public interface Creator<T> {
             mv.visitTypeInsn(NEW, interName);
             mv.visitInsn(DUP);
             //---------------------------------------
+            Class[] params = constructor.getParameterTypes();
             {
-                Parameter[] params = constructor.getParameters();
                 final int[] iconsts = {ICONST_0, ICONST_1, ICONST_2, ICONST_3, ICONST_4, ICONST_5};
                 for (int i = 0; i < params.length; i++) {
                     mv.visitVarInsn(ALOAD, 1);
@@ -104,7 +104,7 @@ public interface Creator<T> {
                         mv.visitIntInsn(BIPUSH, i);
                     }
                     mv.visitInsn(AALOAD);
-                    final Class ct = params[i].getType();
+                    final Class ct = params[i];
                     if (ct.isPrimitive()) {
                         final Class bigct = Array.get(Array.newInstance(ct, 1), 0).getClass();
                         mv.visitTypeInsn(CHECKCAST, bigct.getName().replace('.', '/'));
@@ -122,7 +122,7 @@ public interface Creator<T> {
             //---------------------------------------
             mv.visitMethodInsn(INVOKESPECIAL, interName, "<init>", Type.getConstructorDescriptor(constructor), false);
             mv.visitInsn(ARETURN);
-            mv.visitMaxs((constructor.getParameterCount() > 0 ? (constructor.getParameterCount() + 3) : 2), 2);
+            mv.visitMaxs((params.length > 0 ? (params.length + 3) : 2), 2);
             mv.visitEnd();
         }
         { //虚拟 create 方法
diff --git a/src/org/redkale/util/Reproduce.java b/src/org/redkale/util/Reproduce.java
index 29ada3ef7..c88579bf9 100644
--- a/src/org/redkale/util/Reproduce.java
+++ b/src/org/redkale/util/Reproduce.java
@@ -72,7 +72,7 @@ public interface Reproduce<D, S> {
 
             for (java.lang.reflect.Method getter : srcClass.getMethods()) {
                 if (Modifier.isStatic(getter.getModifiers())) continue;
-                if (getter.getParameterCount() > 0) continue;
+                if (getter.getParameterTypes().length > 0) continue;  //为了兼容android 而不使用 getParameterCount()
                 if ("getClass".equals(getter.getName())) continue;
                 if (!getter.getName().startsWith("get") && !getter.getName().startsWith("is")) continue;
                 java.lang.reflect.Method setter;
diff --git a/src/org/redkale/util/TypeToken.java b/src/org/redkale/util/TypeToken.java
index 00489c284..cf9493de9 100644
--- a/src/org/redkale/util/TypeToken.java
+++ b/src/org/redkale/util/TypeToken.java
@@ -116,7 +116,7 @@ public abstract class TypeToken<T> {
                     boolean first = true;
                     for (Type t : actualTypeArguments) {
                         if (!first) sb.append(", ");
-                        sb.append(t.getTypeName());
+                        sb.append(t);
                         first = false;
                     }
                     sb.append(">");