diff --git a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/UserAssetActivity.kt b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/UserAssetActivity.kt
index 039be42d..dfdbfcf1 100644
--- a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/UserAssetActivity.kt
+++ b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/UserAssetActivity.kt
@@ -15,6 +15,7 @@ import androidx.activity.result.contract.ActivityResultContracts
 import androidx.lifecycle.lifecycleScope
 import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.RecyclerView
+import com.google.gson.Gson
 import com.tbruyelle.rxpermissions.RxPermissions
 import com.tencent.mmkv.MMKV
 import com.v2ray.ang.AppConfig
@@ -117,13 +118,27 @@ class UserAssetActivity : BaseActivity() {
     }
 
     private val chooseFile =
-        registerForActivityResult(ActivityResultContracts.StartActivityForResult()) {
+        registerForActivityResult(ActivityResultContracts.StartActivityForResult()) { it ->
             val uri = it.data?.data
             if (it.resultCode == RESULT_OK && uri != null) {
+                val assetId = Utils.getUuid()
                 try {
+                    val assetItem = AssetUrlItem(
+                        getCursorName(uri) ?: uri.toString(),
+                        "file"
+                    )
+
+                    // check remarks unique
+                    val assetList = MmkvManager.decodeAssetUrls()
+                    if (assetList.any { it.second.remarks == assetItem.remarks && it.first != assetId }) {
+                        toast(R.string.msg_remark_is_duplicate)
+                        return@registerForActivityResult
+                    }
+                    assetStorage?.encode(assetId, Gson().toJson(assetItem))
                     copyFile(uri)
                 } catch (e: Exception) {
                     toast(R.string.toast_asset_copy_failed)
+                    MmkvManager.removeAssetUrl(assetId)
                 }
             }
         }
@@ -252,7 +267,7 @@ class UserAssetActivity : BaseActivity() {
                 holder.itemUserAssetBinding.layoutEdit.visibility = GONE
                 holder.itemUserAssetBinding.layoutRemove.visibility = GONE
             } else {
-                holder.itemUserAssetBinding.layoutEdit.visibility = VISIBLE
+                holder.itemUserAssetBinding.layoutEdit.visibility = item.second.url.let { if (it == "file") GONE else VISIBLE }
                 holder.itemUserAssetBinding.layoutRemove.visibility = VISIBLE
             }
 
@@ -262,7 +277,7 @@ class UserAssetActivity : BaseActivity() {
                 startActivity(intent)
             }
             holder.itemUserAssetBinding.layoutRemove.setOnClickListener {
-//                file.delete()
+                file?.delete()
                 MmkvManager.removeAssetUrl(item.first)
                 binding.recyclerView.adapter?.notifyItemRemoved(position)
             }
diff --git a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/UserAssetUrlActivity.kt b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/UserAssetUrlActivity.kt
index 749c30cc..c032bef3 100644
--- a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/UserAssetUrlActivity.kt
+++ b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/UserAssetUrlActivity.kt
@@ -13,6 +13,7 @@ import com.v2ray.ang.dto.AssetUrlItem
 import com.v2ray.ang.extension.toast
 import com.v2ray.ang.util.MmkvManager
 import com.v2ray.ang.util.Utils
+import java.io.File
 
 class UserAssetUrlActivity : BaseActivity() {
     private lateinit var binding: ActivityUserAssetUrlBinding
@@ -20,6 +21,7 @@ class UserAssetUrlActivity : BaseActivity() {
     var del_config: MenuItem? = null
     var save_config: MenuItem? = null
 
+    val extDir by lazy { File(Utils.userAssetPath(this)) }
     private val assetStorage by lazy { MMKV.mmkvWithID(MmkvManager.ID_ASSET, MMKV.MULTI_PROCESS_MODE) }
     private val editAssetId by lazy { intent.getStringExtra("assetId").orEmpty() }
 
@@ -65,6 +67,12 @@ class UserAssetUrlActivity : BaseActivity() {
         var assetId = editAssetId
         if (!json.isNullOrBlank()) {
             assetItem = Gson().fromJson(json, AssetUrlItem::class.java)
+
+            // remove file associated with the asset
+            val file = extDir.resolve(assetItem.remarks)
+            if (file.exists()) {
+                file.delete()
+            }
         } else {
             assetId = Utils.getUuid()
             assetItem = AssetUrlItem()
@@ -73,6 +81,14 @@ class UserAssetUrlActivity : BaseActivity() {
         assetItem.remarks = binding.etRemarks.text.toString()
         assetItem.url = binding.etUrl.text.toString()
 
+        // check remarks unique
+        val assetList = MmkvManager.decodeAssetUrls()
+        if (assetList.any { it.second.remarks == assetItem.remarks && it.first != assetId }) {
+            toast(R.string.msg_remark_is_duplicate)
+            return false
+        }
+
+
         if (TextUtils.isEmpty(assetItem.remarks)) {
             toast(R.string.sub_setting_remarks)
             return false
diff --git a/V2rayNG/app/src/main/res/layout/item_recycler_user_asset.xml b/V2rayNG/app/src/main/res/layout/item_recycler_user_asset.xml
index 1f1e1533..7677d3ff 100644
--- a/V2rayNG/app/src/main/res/layout/item_recycler_user_asset.xml
+++ b/V2rayNG/app/src/main/res/layout/item_recycler_user_asset.xml
@@ -19,27 +19,45 @@
                 android:background="@color/colorPrimary"
                 android:foreground="?attr/selectableItemBackground"
                 android:padding="@dimen/nav_header_vertical_spacing">
-
             <LinearLayout
-                    android:layout_width="0dp"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_weight="1"
+                android:orientation="vertical"
+                android:paddingStart="9dp">
+
+                <LinearLayout
+                    android:layout_width="wrap_content"
                     android:layout_height="wrap_content"
-                    android:layout_weight="1"
                     android:orientation="vertical">
 
-                <TextView
+                    <TextView
                         android:id="@+id/asset_name"
-                        android:layout_width="match_parent"
+                        android:layout_width="wrap_content"
                         android:layout_height="wrap_content"
+                        android:maxLines="2"
+                        android:minLines="1"
                         android:textAppearance="@style/TextAppearance.AppCompat.Subhead"
                         tools:text="Placeholder.dat" />
 
-                <TextView
+
+                    <TextView
+                        android:layout_width="wrap_content"
+                        android:layout_height="0dp"
+                        android:layout_weight="1" />
+
+                    <TextView
                         android:id="@+id/asset_properties"
-                        android:layout_width="match_parent"
+                        android:layout_width="wrap_content"
                         android:layout_height="wrap_content"
-                        android:textAlignment="textEnd"
+                        android:lines="1"
                         android:textAppearance="@style/TextAppearance.AppCompat.Small"
+                        android:textSize="12sp"
                         tools:text="1MB . 2020.01.01" />
+
+
+                </LinearLayout>
+
             </LinearLayout>
 
             <LinearLayout
diff --git a/V2rayNG/app/src/main/res/values-ar/strings.xml b/V2rayNG/app/src/main/res/values-ar/strings.xml
index bd7250bd..1712effa 100644
--- a/V2rayNG/app/src/main/res/values-ar/strings.xml
+++ b/V2rayNG/app/src/main/res/values-ar/strings.xml
@@ -81,6 +81,7 @@
 	<!-- PerAppProxyActivity -->
 	<string name="title_user_asset_add_url">أضف عنوان URL للأصل</string>
 	<string name="msg_file_not_found">لم يتم العثور على الملف</string>
+	<string name="msg_remark_is_duplicate">الملاحظات موجودة بالفعل</string>
 	<string name="msg_dialog_progress">جار التحميل</string>
 	<string name="menu_item_search">بحث</string>
 	<string name="menu_item_select_all">تحديد الكل</string>
diff --git a/V2rayNG/app/src/main/res/values-fa/strings.xml b/V2rayNG/app/src/main/res/values-fa/strings.xml
index e0a9d4c0..6ba420f2 100644
--- a/V2rayNG/app/src/main/res/values-fa/strings.xml
+++ b/V2rayNG/app/src/main/res/values-fa/strings.xml
@@ -84,6 +84,7 @@
     <!-- PerAppProxyActivity -->
     <string name="title_user_asset_add_url">URL را اضافه کنید</string>
     <string name="msg_file_not_found">فایل پیدا نشد</string>
+    <string name="msg_remark_is_duplicate">نام قبلاً وجود دارد</string>
     <string name="msg_dialog_progress">بارگذاری</string>
     <string name="menu_item_search">جستجو</string>
     <string name="menu_item_select_all">انتخاب همه</string>
diff --git a/V2rayNG/app/src/main/res/values-ru/strings.xml b/V2rayNG/app/src/main/res/values-ru/strings.xml
index 93253708..354cac8f 100644
--- a/V2rayNG/app/src/main/res/values-ru/strings.xml
+++ b/V2rayNG/app/src/main/res/values-ru/strings.xml
@@ -84,6 +84,7 @@
     <!-- PerAppProxyActivity -->
     <string name="title_user_asset_add_url">Добавить URL ресурса</string>
     <string name="msg_file_not_found">Файл не найден</string>
+    <string name="msg_remark_is_duplicate">Замечания уже есть</string>
     <string name="msg_dialog_progress">Загрузка…</string>
     <string name="menu_item_search">Поиск</string>
     <string name="menu_item_select_all">Выбрать все</string>
diff --git a/V2rayNG/app/src/main/res/values-vi/strings.xml b/V2rayNG/app/src/main/res/values-vi/strings.xml
index bf2ad280..0b4d8bcd 100644
--- a/V2rayNG/app/src/main/res/values-vi/strings.xml
+++ b/V2rayNG/app/src/main/res/values-vi/strings.xml
@@ -84,6 +84,7 @@
     <!-- PerAppProxyActivity -->
     <string name="title_user_asset_add_url">Thêm URL nội dung</string>
     <string name="msg_file_not_found">Không tìm thấy tập tin</string>
+    <string name="msg_remark_is_duplicate">Nhận xét đã tồn tại</string>
     <string name="msg_dialog_progress">Đang tải...</string>
     <string name="menu_item_search">Tìm kiếm</string>
     <string name="menu_item_select_all">Chọn tất cả</string>
diff --git a/V2rayNG/app/src/main/res/values-zh-rCN/strings.xml b/V2rayNG/app/src/main/res/values-zh-rCN/strings.xml
index 887c25a8..00d0f539 100644
--- a/V2rayNG/app/src/main/res/values-zh-rCN/strings.xml
+++ b/V2rayNG/app/src/main/res/values-zh-rCN/strings.xml
@@ -85,6 +85,7 @@
     <!-- PerAppProxyActivity -->
     <string name="title_user_asset_add_url">添加资产网址</string>
     <string name="msg_file_not_found">文件未找到</string>
+    <string name="msg_remark_is_duplicate">备注已经存在</string>
     <string name="msg_dialog_progress">正在加载</string>
     <string name="menu_item_search">搜索</string>
     <string name="menu_item_select_all">全选</string>
diff --git a/V2rayNG/app/src/main/res/values-zh-rTW/strings.xml b/V2rayNG/app/src/main/res/values-zh-rTW/strings.xml
index 3bc7cdd6..c81b140e 100644
--- a/V2rayNG/app/src/main/res/values-zh-rTW/strings.xml
+++ b/V2rayNG/app/src/main/res/values-zh-rTW/strings.xml
@@ -84,6 +84,7 @@
     <!-- PerAppProxyActivity -->
     <string name="title_user_asset_add_url">新增資產網址</string>
     <string name="msg_file_not_found">文件未找到</string>
+    <string name="msg_remark_is_duplicate">備註已經存在</string>
     <string name="msg_dialog_progress">載入</string>
     <string name="menu_item_search">搜尋</string>
     <string name="menu_item_select_all">全選</string>
diff --git a/V2rayNG/app/src/main/res/values/strings.xml b/V2rayNG/app/src/main/res/values/strings.xml
index 91616d3d..a518741c 100644
--- a/V2rayNG/app/src/main/res/values/strings.xml
+++ b/V2rayNG/app/src/main/res/values/strings.xml
@@ -92,6 +92,7 @@
     <string name="menu_item_download_file">Download files</string>
     <string name="title_user_asset_add_url">Add asset URL</string>
     <string name="msg_file_not_found">File not found</string>
+    <string name="msg_remark_is_duplicate">The remarks already exists</string>
 
 
     <!-- PerAppProxyActivity -->