diff --git a/app/build.gradle b/app/build.gradle
index 0b0226d..ca961cb 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -13,8 +13,8 @@ android {
         applicationId "top.fumiama.simpledict"
         minSdkVersion 26
         targetSdkVersion 30
-        versionCode 5
-        versionName '1.3'
+        versionCode 6
+        versionName '1.4'
         resConfigs "zh", "zh-rCN"
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
diff --git a/app/src/main/java/top/fumiama/simpledict/MainActivity.kt b/app/src/main/java/top/fumiama/simpledict/MainActivity.kt
index a05c9fd..bb3086e 100644
--- a/app/src/main/java/top/fumiama/simpledict/MainActivity.kt
+++ b/app/src/main/java/top/fumiama/simpledict/MainActivity.kt
@@ -1,6 +1,9 @@
 package top.fumiama.simpledict
 
 import android.annotation.SuppressLint
+import android.content.ClipData
+import android.content.ClipboardManager
+import android.content.Context
 import android.content.Intent
 import android.os.Bundle
 import android.speech.RecognizerIntent
@@ -14,7 +17,6 @@ import androidx.appcompat.app.AlertDialog
 import androidx.appcompat.app.AppCompatActivity
 import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.RecyclerView
-import com.google.android.material.textfield.TextInputLayout
 import com.lapism.search.internal.SearchLayout
 import com.lapism.search.util.SearchUtils
 import kotlinx.android.synthetic.main.activity_main.*
@@ -31,12 +33,14 @@ class MainActivity : AppCompatActivity() {
             }
         }
     }
+    private var cm: ClipboardManager? = null
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_main)
         val ad = LikeViewHolder(ffr).RecyclerViewAdapter()
-        ffr.apply { 
+        cm = getSystemService(Context.CLIPBOARD_SERVICE) as ClipboardManager
+        ffr.apply {
             layoutManager = LinearLayoutManager(this@MainActivity)
             adapter = ad
             setOnScrollChangeListener { _, _, scrollY, _, _ ->
@@ -126,13 +130,15 @@ class MainActivity : AppCompatActivity() {
                 .setMessage(data)
                 .setPositiveButton(hintAdd) { _, _ ->
                     val t = EditText(this@MainActivity)
+                    t.setText(data)
                     AlertDialog.Builder(this@MainActivity)
                             .setTitle("$hintAdd$key")
                             .setView(t)
                             .setPositiveButton(android.R.string.ok) { _, _ ->
-                                if (t.text.isNotEmpty()) Thread {
+                                if (t.text.isNotEmpty() && t.text.toString() != data) Thread {
                                     dict[key] = t.text.toString()
                                 }.start()
+                                else Toast.makeText(this, "未更改", Toast.LENGTH_SHORT).show()
                             }
                             .setNegativeButton(android.R.string.cancel) { _, _ -> }
                             .show()
@@ -157,7 +163,7 @@ class MainActivity : AppCompatActivity() {
                                 }
                                 newSet
                             }
-                    listKeys = selectSet.toList()
+                    listKeys = selectSet.toList().let { if(it.size > 50) it.subList(0, 49) else it }
                     listKeys?.forEach {
                         Log.d("MyMain", "Select key: $it")
                     }
@@ -204,9 +210,16 @@ class MainActivity : AppCompatActivity() {
                                     setOnClickListener {
                                         showDictAlert(key, data)
                                     }
+                                    setOnLongClickListener {
+                                        cm?.setPrimaryClip(ClipData.newPlainText("SimpleDict", "$key\n$data"))
+                                        runOnUiThread {
+                                            Toast.makeText(this@MainActivity, "已复制", Toast.LENGTH_SHORT).show()
+                                        }
+                                        true
+                                    }
                                     vl.setOnClickListener {
                                         getSharedPreferences("dict", MODE_PRIVATE)?.edit()?.apply {
-                                            if(like) {
+                                            if (like) {
                                                 remove(key)
                                                 it.setBackgroundResource(R.drawable.ic_like)
                                             } else {
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index fa4202f..8017324 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -4,6 +4,24 @@
     android:layout_width="match_parent"
     android:layout_height="match_parent">
 
+    <androidx.swiperefreshlayout.widget.SwipeRefreshLayout
+        android:id="@+id/ffsw"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        app:layout_behavior="com.google.android.material.appbar.AppBarLayout$ScrollingViewBehavior">
+
+        <androidx.core.widget.NestedScrollView
+            android:id="@+id/ffns"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent">
+
+            <androidx.recyclerview.widget.RecyclerView
+                android:id="@+id/ffr"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content" />
+        </androidx.core.widget.NestedScrollView>
+    </androidx.swiperefreshlayout.widget.SwipeRefreshLayout>
+
     <com.google.android.material.appbar.AppBarLayout
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
@@ -29,22 +47,4 @@
             </com.google.android.material.appbar.CollapsingToolbarLayout>
         </androidx.core.widget.NestedScrollView>
     </com.google.android.material.appbar.AppBarLayout>
-
-    <androidx.swiperefreshlayout.widget.SwipeRefreshLayout
-        android:id="@+id/ffsw"
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        app:layout_behavior="com.google.android.material.appbar.AppBarLayout$ScrollingViewBehavior">
-
-        <androidx.core.widget.NestedScrollView
-            android:id="@+id/ffns"
-            android:layout_width="match_parent"
-            android:layout_height="match_parent">
-
-            <androidx.recyclerview.widget.RecyclerView
-                android:id="@+id/ffr"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content" />
-        </androidx.core.widget.NestedScrollView>
-    </androidx.swiperefreshlayout.widget.SwipeRefreshLayout>
 </androidx.coordinatorlayout.widget.CoordinatorLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/line_word.xml b/app/src/main/res/layout/line_word.xml
index c0d5939..6b20e36 100644
--- a/app/src/main/res/layout/line_word.xml
+++ b/app/src/main/res/layout/line_word.xml
@@ -7,19 +7,6 @@
     android:focusable="true"
     android:foreground="?android:attr/selectableItemBackground">
 
-    <View
-        android:id="@+id/vl"
-        android:layout_width="32dp"
-        android:layout_height="32dp"
-        android:layout_marginEnd="16dp"
-        android:background="@drawable/ic_like"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintTop_toTopOf="parent"
-        android:clickable="true"
-        android:focusable="true"
-        android:foreground="?android:attr/selectableItemBackground"/>
-
     <LinearLayout
         android:layout_width="match_parent"
         android:layout_height="match_parent"
@@ -44,7 +31,18 @@
             android:layout_marginTop="8dp"
             android:layout_marginEnd="16dp"
             android:layout_marginBottom="8dp" />
-
     </LinearLayout>
 
-</androidx.constraintlayout.widget.ConstraintLayout>
+    <View
+        android:id="@+id/vl"
+        android:layout_width="32dp"
+        android:layout_height="32dp"
+        android:layout_marginEnd="16dp"
+        android:background="@drawable/ic_like"
+        android:clickable="true"
+        android:focusable="true"
+        android:foreground="?android:attr/selectableItemBackground"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/winrelease/app-winrelease.apk b/app/winrelease/app-winrelease.apk
index a8e5cf4..e0e0f7a 100644
Binary files a/app/winrelease/app-winrelease.apk and b/app/winrelease/app-winrelease.apk differ
diff --git a/app/winrelease/output-metadata.json b/app/winrelease/output-metadata.json
index fbc96a3..2bdf04d 100644
--- a/app/winrelease/output-metadata.json
+++ b/app/winrelease/output-metadata.json
@@ -10,8 +10,8 @@
     {
       "type": "SINGLE",
       "filters": [],
-      "versionCode": 5,
-      "versionName": "1.3",
+      "versionCode": 6,
+      "versionName": "1.4",
       "outputFile": "app-winrelease.apk"
     }
   ]