diff --git a/example/src/main/java/pub/zilla/example/MainActivity.java b/example/src/main/java/pub/zilla/example/MainActivity.java
index 7d6cc75..ee97f4f 100644
--- a/example/src/main/java/pub/zilla/example/MainActivity.java
+++ b/example/src/main/java/pub/zilla/example/MainActivity.java
@@ -15,11 +15,16 @@
 
 public class MainActivity extends AppCompatActivity {
 
-    @Reg(error = R.string.reg_error,reg = "^0{0,1}(13[0-9]|15[7-9]|153|156|18[7-9])[0-9]{8}$")
-    @NotNull(error = R.string.input_need)
+    @NotNull(value = 1, error = R.string.input_need)
+    @Reg(value = 2, error = R.string.reg_error, reg = "^0{0,1}(13[0-9]|15[7-9]|153|156|18[7-9])[0-9]{8}$")
     @BindView(R.id.inputLayout)
     TextInputLayout inputLayout;
 
+    @NotNull(value = 3, error = R.string.input_need)
+    @Reg(value = 4, error = R.string.reg_error, reg = "^[0-9][0-9]{5}$")
+    @BindView(R.id.zipcodeLayout)
+    TextInputLayout zipcodeLayout;
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -33,7 +38,7 @@ public void onViewClicked() {
     }
 
     @ValiSuccess
-    void onValiSuccess(){
-        Toast.makeText(this,R.string.vali_success,Toast.LENGTH_LONG).show();
+    void onValiSuccess() {
+        Toast.makeText(this, R.string.vali_success, Toast.LENGTH_LONG).show();
     }
 }
diff --git a/example/src/main/res/layout/activity_main.xml b/example/src/main/res/layout/activity_main.xml
index 988c47f..ed3bc89 100644
--- a/example/src/main/res/layout/activity_main.xml
+++ b/example/src/main/res/layout/activity_main.xml
@@ -1,50 +1,41 @@
 <?xml version="1.0" encoding="utf-8"?>
-<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
+    android:orientation="vertical"
     tools:context="pub.zilla.example.MainActivity">
 
-    <TextView
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:text="Hello World!"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintLeft_toLeftOf="parent"
-        app:layout_constraintRight_toRightOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
-
     <android.support.design.widget.TextInputLayout
         android:id="@+id/inputLayout"
-        android:layout_width="368dp"
-        android:layout_height="wrap_content"
-        android:layout_marginLeft="8dp"
-        android:layout_marginRight="8dp"
-        android:layout_marginTop="8dp"
-        app:layout_constraintLeft_toLeftOf="parent"
-        app:layout_constraintRight_toRightOf="parent"
-        app:layout_constraintTop_toTopOf="parent">
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content">
+
+        <EditText
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:ems="10"
+            android:hint="@string/phone_number"
+            android:inputType="number" />
+    </android.support.design.widget.TextInputLayout>
+
+    <android.support.design.widget.TextInputLayout
+        android:id="@+id/zipcodeLayout"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content">
 
         <EditText
-            android:id="@+id/editText"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:ems="10"
+            android:hint="@string/zip_code"
             android:inputType="number" />
     </android.support.design.widget.TextInputLayout>
 
     <Button
         android:id="@+id/button"
-        android:layout_width="0dp"
+        android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:text="Button"
-        android:layout_marginLeft="8dp"
-        app:layout_constraintLeft_toLeftOf="parent"
-        android:layout_marginRight="8dp"
-        app:layout_constraintRight_toRightOf="parent"
-        app:layout_constraintHorizontal_bias="0.0"
-        android:layout_marginTop="8dp"
-        app:layout_constraintTop_toBottomOf="@+id/inputLayout" />
+        android:text="@string/validate" />
 
-</android.support.constraint.ConstraintLayout>
+</LinearLayout>
diff --git a/example/src/main/res/values/strings.xml b/example/src/main/res/values/strings.xml
index eeaa24a..fa7c6ad 100644
--- a/example/src/main/res/values/strings.xml
+++ b/example/src/main/res/values/strings.xml
@@ -3,4 +3,7 @@
     <string name="input_need">The field is required</string>
     <string name="reg_error">reg error</string>
     <string name="vali_success">Validate success.</string>
+    <string name="validate">Validate</string>
+    <string name="phone_number">Phone Number</string>
+    <string name="zip_code">Zip Code</string>
 </resources>
diff --git a/valizilla/src/main/java/pub/zilla/validzilla/ValiZilla.java b/valizilla/src/main/java/pub/zilla/validzilla/ValiZilla.java
index 60f4a5f..7090bd5 100644
--- a/valizilla/src/main/java/pub/zilla/validzilla/ValiZilla.java
+++ b/valizilla/src/main/java/pub/zilla/validzilla/ValiZilla.java
@@ -6,15 +6,14 @@
 import java.lang.reflect.Field;
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
-import java.util.ArrayList;
 import java.util.Collections;
+import java.util.Comparator;
 import java.util.HashMap;
 import java.util.List;
 
 import pub.zilla.validzilla.an.NotNull;
 import pub.zilla.validzilla.an.Reg;
 import pub.zilla.validzilla.an.ValiSuccess;
-import pub.zilla.validzilla.model.AnnoModel;
 import pub.zilla.validzilla.model.ValiModel;
 import pub.zilla.validzilla.model.ValiWapper;
 
@@ -35,27 +34,31 @@ public static void vali(Object target) {
             e.printStackTrace();
         }
         if (textInputLayout == null) return;
-        for (ValiModel model : wapper.getValiModel()) {
+        List<ValiModel> models = wapper.getValiModel();
+        Collections.sort(models, new Comparator<ValiModel>() {
+            @Override
+            public int compare(ValiModel o1, ValiModel o2) {
+                return o1.getOrder() - o2.getOrder();
+            }
+        });
+        for (ValiModel model : models) {
             try {
                 Class fieldType = model.getField().getType();
                 if (textInputLayout.isAssignableFrom(fieldType)) {//if is TextInputLayout or extends from TextInputLayout.
                     TextInputLayout targetField = (TextInputLayout) model.getField().get(target);
                     String result = targetField.getEditText().getText().toString();//result
-                    List<AnnoModel> annoModels = model.getAnnoModels();
-                    for (AnnoModel annoModel : annoModels) {
-                        if (TextUtils.isEmpty(annoModel.getReg())) {//not null check fail
-                            if (TextUtils.isEmpty(result)) {
-                                targetField.setError(targetField.getContext().getString(annoModel.getError()));
-                                return;
-                            } else {
-                                targetField.setError("");
-                            }
-                        } else if (!result.matches(annoModel.getReg())) {// reg check fail;
-                            targetField.setError(targetField.getContext().getString(annoModel.getError()));
+                    if (TextUtils.isEmpty(model.getReg())) {//not null check fail
+                        if (TextUtils.isEmpty(result)) {
+                            targetField.setError(targetField.getContext().getString(model.getError()));
                             return;
                         } else {
                             targetField.setError("");
                         }
+                    } else if (!result.matches(model.getReg())) {// reg check fail;
+                        targetField.setError(targetField.getContext().getString(model.getError()));
+                        return;
+                    } else {
+                        targetField.setError("");
                     }
                 }
             } catch (IllegalAccessException e) {
@@ -71,7 +74,6 @@ public static void vali(Object target) {
                 e.printStackTrace();
             }
         }
-
     }
 
     /**
@@ -100,16 +102,14 @@ private static ValiWapper getFieldsFromCache(Class c) {
                 notNull = field.getAnnotation(NotNull.class);
                 reg = field.getAnnotation(Reg.class);
                 if (notNull != null || reg != null) {
-                    ValiModel valiModel = new ValiModel(field);
                     if (notNull != null) {
-                        AnnoModel annoModel = new AnnoModel(notNull.error(), null);
-                        valiModel.addAnnoModel(annoModel);
+                        ValiModel valiModel = new ValiModel(notNull.value(), notNull.error(), null, field);
+                        wapper.addValiModel(valiModel);
                     }
                     if (reg != null) {
-                        AnnoModel annoModel = new AnnoModel(reg.error(), reg.reg());
-                        valiModel.addAnnoModel(annoModel);
+                        ValiModel valiModel = new ValiModel(reg.value(), reg.error(), reg.reg(), field);
+                        wapper.addValiModel(valiModel);
                     }
-                    wapper.addValiModel(valiModel);
                 }
             }
             //Method
diff --git a/valizilla/src/main/java/pub/zilla/validzilla/an/NotNull.java b/valizilla/src/main/java/pub/zilla/validzilla/an/NotNull.java
index 3d8c153..a8303ba 100644
--- a/valizilla/src/main/java/pub/zilla/validzilla/an/NotNull.java
+++ b/valizilla/src/main/java/pub/zilla/validzilla/an/NotNull.java
@@ -17,7 +17,7 @@
      *
      * @return
      */
-//    int value();
+    int value();
 
     /**
      * Error message
diff --git a/valizilla/src/main/java/pub/zilla/validzilla/an/Reg.java b/valizilla/src/main/java/pub/zilla/validzilla/an/Reg.java
index 6ad463c..22ba6fa 100644
--- a/valizilla/src/main/java/pub/zilla/validzilla/an/Reg.java
+++ b/valizilla/src/main/java/pub/zilla/validzilla/an/Reg.java
@@ -17,7 +17,7 @@
      *
      * @return
      */
-//    int value();
+    int value();
 
     /**
      * Error message
diff --git a/valizilla/src/main/java/pub/zilla/validzilla/model/AnnoModel.java b/valizilla/src/main/java/pub/zilla/validzilla/model/AnnoModel.java
deleted file mode 100644
index fa62f98..0000000
--- a/valizilla/src/main/java/pub/zilla/validzilla/model/AnnoModel.java
+++ /dev/null
@@ -1,44 +0,0 @@
-package pub.zilla.validzilla.model;
-
-/**
- * validate annotation model
- * Created by zilla on 9/15/17.
- */
-
-public class AnnoModel {
-    private int error;
-    private String reg;
-
-    public AnnoModel() {
-
-    }
-
-    public AnnoModel(int error, String reg) {
-        this.error = error;
-        this.reg = reg;
-    }
-
-    public int getError() {
-        return error;
-    }
-
-    public void setError(int error) {
-        this.error = error;
-    }
-
-    public String getReg() {
-        return reg;
-    }
-
-    public void setReg(String reg) {
-        this.reg = reg;
-    }
-
-    @Override
-    public String toString() {
-        return "AnnoModel{" +
-                ", error=" + error +
-                ", reg='" + reg + '\'' +
-                '}';
-    }
-}
diff --git a/valizilla/src/main/java/pub/zilla/validzilla/model/ValiModel.java b/valizilla/src/main/java/pub/zilla/validzilla/model/ValiModel.java
index db8056b..9070540 100644
--- a/valizilla/src/main/java/pub/zilla/validzilla/model/ValiModel.java
+++ b/valizilla/src/main/java/pub/zilla/validzilla/model/ValiModel.java
@@ -1,9 +1,6 @@
 package pub.zilla.validzilla.model;
 
 import java.lang.reflect.Field;
-import java.lang.reflect.Method;
-import java.util.ArrayList;
-import java.util.List;
 
 /**
  * Validate field model
@@ -11,8 +8,12 @@
  */
 
 public class ValiModel {
+    private int order;
+    private int error;
+    private String reg;
+
     private Field field;
-    private List<AnnoModel> annoModels;
+
 
     public ValiModel() {
 
@@ -22,40 +23,59 @@ public ValiModel(Field field) {
         this.field = field;
     }
 
-    public ValiModel(Field field, List<AnnoModel> annoModels) {
+    /**
+     * constructor
+     * @param order
+     * @param error
+     * @param reg
+     * @param field
+     */
+    public ValiModel(int order, int error, String reg, Field field) {
+        this.order = order;
+        this.error = error;
+        this.reg = reg;
         this.field = field;
-        this.annoModels = annoModels;
     }
 
-    public Field getField() {
-        return field;
+    public int getOrder() {
+        return order;
     }
 
-    public void setField(Field field) {
-        this.field = field;
+    public void setOrder(int order) {
+        this.order = order;
+    }
+
+    public int getError() {
+        return error;
     }
 
-    public List<AnnoModel> getAnnoModels() {
-        return annoModels;
+    public void setError(int error) {
+        this.error = error;
     }
 
-    public void setAnnoModels(List<AnnoModel> annoModels) {
-        this.annoModels = annoModels;
+    public String getReg() {
+        return reg;
     }
 
-    public void addAnnoModel(AnnoModel annoModel) {
-        if (annoModels == null) {
-            annoModels = new ArrayList<>();
-        }
-        annoModels.add(annoModel);
+    public void setReg(String reg) {
+        this.reg = reg;
     }
 
+    public Field getField() {
+        return field;
+    }
+
+    public void setField(Field field) {
+        this.field = field;
+    }
 
     @Override
     public String toString() {
         return "ValiModel{" +
-                "field=" + field +
-                ", annoModels=" + annoModels +
+                "order=" + order +
+                ", error=" + error +
+                ", reg='" + reg + '\'' +
+                ", field=" + field +
                 '}';
     }
 }