diff --git a/.gitignore b/.gitignore
index 603b140..6f6d9f7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,7 @@
 *.iml
 .gradle
 /local.properties
+/.idea
 /.idea/caches
 /.idea/libraries
 /.idea/modules.xml
diff --git a/POPDialog/src/main/java/com/yutou/popdialog/POPDialog.kt b/POPDialog/src/main/java/com/yutou/popdialog/POPDialog.kt
index 693258a..2f22b83 100644
--- a/POPDialog/src/main/java/com/yutou/popdialog/POPDialog.kt
+++ b/POPDialog/src/main/java/com/yutou/popdialog/POPDialog.kt
@@ -17,14 +17,15 @@ import com.yutou.popdialog.utils.POPDialogUtils
 import com.yutou.popdialog.views.ExitButton
 
 
-class POPDialog(context: Activity) : Dialog(context) {
-    private val activityContext: Activity = context
+class POPDialog : Dialog {
+    private val activityContext: Activity
+    private var defLayoutResId = R.layout.pop_dialog_layout
     private lateinit var title: TextView
-    private val layout: FrameLayout by lazy {
-        findViewById(R.id.title)
+    private val layout: ViewGroup by lazy {
+        findViewById(R.id.pop_dialog_title)
     }
-    private val dialogContext: FrameLayout by lazy {
-        findViewById(R.id.context)
+    private val dialogContext: ViewGroup by lazy {
+        findViewById(R.id.pop_dialog_content)
     }
 
     private lateinit var view: View
@@ -35,7 +36,15 @@ class POPDialog(context: Activity) : Dialog(context) {
     private var showModel = 0
     private var expansionY = 0f
 
-    init {
+    constructor(context: Activity) : super(context) {
+        activityContext = context
+        requestWindowFeature(Window.FEATURE_NO_TITLE)
+        initView()
+    }
+
+    constructor(context: Activity, layoutResID: Int) : super(context) {
+        defLayoutResId = layoutResID
+        activityContext = context
         requestWindowFeature(Window.FEATURE_NO_TITLE)
         initView()
     }
@@ -43,7 +52,7 @@ class POPDialog(context: Activity) : Dialog(context) {
     private fun initView() {
         mainView = FrameLayout(activityContext)
         view =
-            LayoutInflater.from(context).inflate(R.layout.dialog, mainView, false) as LinearLayout
+            LayoutInflater.from(context).inflate(defLayoutResId, mainView, false)
         val animation = AnimationUtils.loadAnimation(
             context,
             R.anim.enter_anim
@@ -83,11 +92,11 @@ class POPDialog(context: Activity) : Dialog(context) {
      */
     public fun setMessage(text: String) {
         val textView = TextView(ContextThemeWrapper(activityContext, R.style.messageText))
-        val params = FrameLayout.LayoutParams(
+        val params = ViewGroup.LayoutParams(
             FrameLayout.LayoutParams.MATCH_PARENT,
             FrameLayout.LayoutParams.MATCH_PARENT
-        );
-        textView.layoutParams = params;
+        )
+        textView.layoutParams = params
         textView.text = text
         dialogContext.addView(textView)
     }
@@ -128,7 +137,8 @@ class POPDialog(context: Activity) : Dialog(context) {
      * 不允许设置资源id
      * @param layoutResID 正文id
      */
-    @Deprecated("设置资源id会导致内容无法控制，不建议使用",
+    @Deprecated(
+        "设置资源id会导致内容无法控制，不建议使用",
         ReplaceWith("throw RuntimeException")
     )
     override fun setContentView(layoutResID: Int) {
@@ -191,7 +201,8 @@ class POPDialog(context: Activity) : Dialog(context) {
                 )
                 params.height = (dialogContext.height / 1.25).toInt()
                 dialogContext.layoutParams = params
-                view.y =(POPDialogUtils.getDisplay(activityContext).mode.physicalHeight / 2).toFloat()
+                view.y =
+                    (POPDialogUtils.getDisplay(activityContext).mode.physicalHeight / 2).toFloat()
                 expansionY = view.y
             }
             configTouch()
@@ -208,8 +219,8 @@ class POPDialog(context: Activity) : Dialog(context) {
             ViewGroup.LayoutParams.WRAP_CONTENT,
             ViewGroup.LayoutParams.MATCH_PARENT
         )
-        params.width= (POPDialogUtils.getDisplay(activityContext).mode.physicalWidth*0.8).toInt()
-        params.gravity=Gravity.CENTER
+        params.width = (POPDialogUtils.getDisplay(activityContext).mode.physicalWidth * 0.8).toInt()
+        params.gravity = Gravity.CENTER
         layout.layoutParams = params
         layout.setOnTouchListener(object : View.OnTouchListener {
             override fun onTouch(p0: View?, p1: MotionEvent?): Boolean {
diff --git a/POPDialog/src/main/res/layout/dialog.xml b/POPDialog/src/main/res/layout/pop_dialog_layout.xml
similarity index 81%
rename from POPDialog/src/main/res/layout/dialog.xml
rename to POPDialog/src/main/res/layout/pop_dialog_layout.xml
index 8f067aa..bab112c 100644
--- a/POPDialog/src/main/res/layout/dialog.xml
+++ b/POPDialog/src/main/res/layout/pop_dialog_layout.xml
@@ -1,13 +1,12 @@
 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
-    android:id="@+id/linearLayout"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:orientation="vertical">
 
     <LinearLayout
-        android:id="@+id/linearLayout2"
+        android:id="@+id/pop_dialog_title_layout"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:background="@drawable/dialog_title"
@@ -17,7 +16,7 @@
         app:layout_constraintTop_toTopOf="parent">
 
         <FrameLayout
-            android:id="@+id/title"
+            android:id="@+id/pop_dialog_title"
             android:layout_width="0dp"
             android:layout_height="match_parent"
             android:layout_marginLeft="15dp"
@@ -30,20 +29,20 @@
     </LinearLayout>
 
     <View
-        android:id="@+id/divider"
+        android:id="@+id/pop_dialog_divider"
         android:layout_width="match_parent"
         android:layout_height="1dp"
-        app:layout_constraintTop_toBottomOf="@id/linearLayout2"
+        app:layout_constraintTop_toBottomOf="@id/pop_dialog_title_layout"
         android:background="?android:attr/listDivider" />
 
     <FrameLayout
-        android:id="@+id/context"
+        android:id="@+id/pop_dialog_content"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:background="#f1f2f6"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintHorizontal_bias="1.0"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@+id/divider"
+        app:layout_constraintTop_toBottomOf="@+id/pop_dialog_divider"
         android:orientation="vertical" />
 </LinearLayout>
\ No newline at end of file
diff --git a/POPDialog/src/main/res/values/styles.xml b/POPDialog/src/main/res/values/styles.xml
index 1d85a50..1b06424 100644
--- a/POPDialog/src/main/res/values/styles.xml
+++ b/POPDialog/src/main/res/values/styles.xml
@@ -18,6 +18,7 @@
     </style>
     <style name="messageText">
         <item name="android:textColor">#212121</item>
+        <item name="android:layout_gravity">center</item>
         <item name="android:gravity">center</item>
         <item name="android:padding">20dp</item>
     </style>
diff --git a/app/src/main/res/layout/demo.xml b/app/src/main/res/layout/demo.xml
new file mode 100644
index 0000000..aebefab
--- /dev/null
+++ b/app/src/main/res/layout/demo.xml
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:orientation="vertical"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <FrameLayout
+        android:id="@+id/pop_dialog_title"
+        android:layout_width="match_parent"
+        android:layout_height="50dp"
+        android:orientation="vertical"
+        android:background="@color/purple_200" />
+
+    <LinearLayout
+        android:id="@+id/pop_dialog_content"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:background="@color/teal_200"
+        android:orientation="vertical" />
+</LinearLayout>
\ No newline at end of file