diff --git a/app/src/main/java/moe/tqlwsl/aicemu/MainActivity.kt b/app/src/main/java/moe/tqlwsl/aicemu/MainActivity.kt
index 4df8aa6..af00de8 100644
--- a/app/src/main/java/moe/tqlwsl/aicemu/MainActivity.kt
+++ b/app/src/main/java/moe/tqlwsl/aicemu/MainActivity.kt
@@ -69,13 +69,13 @@ class MainActivity : AppCompatActivity() {
         if (nfcAdapter == null) {
             Log.e(TAG, "NFC not supported")
             AlertDialog.Builder(this)
-                .setTitle("Error").setMessage("NFC not supported").setCancelable(false).show()
+                .setTitle(R.string.error).setMessage("NFC not supported").setCancelable(false).show()
             return
         }
         if (!nfcAdapter!!.isEnabled) {
             Log.e(TAG, "NFC is off")
             AlertDialog.Builder(this)
-                .setTitle("Error").setMessage("NFC is off").setCancelable(false).show()
+                .setTitle(R.string.error).setMessage("NFC is off").setCancelable(false).show()
             return
         }
 
@@ -165,7 +165,7 @@ class MainActivity : AppCompatActivity() {
 
     private fun showCardMenu(v: View, cardView: View) {
         val popupMenu = PopupMenu(this, v)
-        popupMenu.inflate(R.menu.card_menu) // 加载菜单资源文件
+        popupMenu.inflate(R.menu.card_menu)
         popupMenu.setOnMenuItemClickListener { item: MenuItem ->
             when (item.itemId) {
                 R.id.card_menu_rename -> {
@@ -175,7 +175,7 @@ class MainActivity : AppCompatActivity() {
                     editText.visibility = View.VISIBLE
                     editText.setText(textView.text)
                     editText.requestFocus()
-                    editText.setOnFocusChangeListener { v, hasFocus ->
+                    editText.setOnFocusChangeListener { _, hasFocus ->
                         if (!hasFocus) {
                             textView.text = editText.text
                             textView.visibility = View.VISIBLE
@@ -183,11 +183,6 @@ class MainActivity : AppCompatActivity() {
                             saveCards()
                         }
                     }
-//                    cardView.setOnTouchListener { v, _ ->
-//                        editText.clearFocus()
-//                        v.performClick()
-//                        true
-//                    }
                     true
                 }
                 R.id.card_menu_delete -> {
@@ -199,7 +194,7 @@ class MainActivity : AppCompatActivity() {
                 else -> false
             }
         }
-        popupMenu.show() // 显示PopupMenu
+        popupMenu.show()
     }
 
 
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index f7f5f8f..fff896a 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -39,7 +39,7 @@
         android:layout_gravity="bottom|end"
         android:layout_margin="16dp"
         android:clickable="true"
-        android:contentDescription="@string/add_card"
+        android:contentDescription="@string/desc_add_card"
         android:focusable="true"
         app:backgroundTint="@color/colorSecondary"
         app:maxImageSize="35dp"
diff --git a/app/src/main/res/layout/add_card.xml b/app/src/main/res/layout/add_card.xml
index d4beada..aac975e 100644
--- a/app/src/main/res/layout/add_card.xml
+++ b/app/src/main/res/layout/add_card.xml
@@ -30,7 +30,7 @@
             android:text="@string/read_card_tip"
             android:textColor="@color/design_default_color_on_primary"
             android:textSize="18sp"
-            android:contentDescription="@string/close_popup" />
+            android:contentDescription="@string/desc_close_popup" />
 
     </androidx.cardview.widget.CardView>
 
diff --git a/app/src/main/res/layout/card.xml b/app/src/main/res/layout/card.xml
index 4a6f1c7..cfc6216 100644
--- a/app/src/main/res/layout/card.xml
+++ b/app/src/main/res/layout/card.xml
@@ -19,7 +19,7 @@
         android:layout_height="wrap_content"
         android:layout_marginStart="20dp"
         android:layout_marginTop="20dp"
-        android:text="@string/card_name"
+        android:text="@string/dummy_card_name"
         android:textColor="?android:attr/textColorPrimary"
         android:textSize="40sp" />
 
@@ -29,7 +29,7 @@
         android:layout_height="wrap_content"
         android:layout_marginStart="20dp"
         android:layout_marginTop="20dp"
-        android:text="@string/card_name"
+        android:text="@string/dummy_card_name"
         android:textColor="?android:attr/textColorPrimary"
         android:textSize="40sp"
         android:visibility="gone" />
@@ -64,7 +64,7 @@
         android:layout_marginEnd="10dp"
         android:layout_gravity="end|top"
         android:background="@null"
-        android:contentDescription="@string/edit_card"
+        android:contentDescription="@string/desc_edit_card"
         android:src="@android:drawable/ic_menu_edit" />
 
 </androidx.cardview.widget.CardView>
\ No newline at end of file
diff --git a/app/src/main/res/values-zh/strings.xml b/app/src/main/res/values-zh/strings.xml
new file mode 100644
index 0000000..6aac06f
--- /dev/null
+++ b/app/src/main/res/values-zh/strings.xml
@@ -0,0 +1,10 @@
+<resources>
+    <string name="settings">设置</string>
+    <string name="dummy_card_name">AIC Card</string>
+    <string name="read_card_tip">请与AIC卡贴贴！</string>
+    <string name="rename">改名</string>
+    <string name="delete">删除</string>
+    <string name="show_idm">展示卡号</string>
+    <string name="hide_idm">隐藏卡号</string>
+    <string name="error">出错了！</string>
+</resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 084e94a..590591d 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -1,14 +1,16 @@
 <resources>
-    <string name="app_name">AICEmu</string>
+    <string name="app_name" translatable="false">AICEmu</string>
     <string name="rename">Rename</string>
     <string name="delete">Delete</string>
     <string name="show_idm">Show IDm</string>
+    <string name="hide_idm">Hide IDm</string>
     <string name="settings">Settings</string>
-    <string name="add_card">add card</string>
-    <string name="edit_card">edit card</string>
-    <string name="close_popup">close</string>
-    <string name="dummy_card_id">012EXXXXXXXXXXXX</string>
-    <string name="card_name">AIC Card</string>
-    <string name="read_card_tip">请与AIC卡贴贴！</string>
-    <string name="service_desc">EmuCard</string>
+    <string name="error">Error!</string>
+    <string name="dummy_card_name">AIC Card</string>
+    <string name="dummy_card_id" translatable="false">012EXXXXXXXXXXXX</string>
+    <string name="read_card_tip">Please touch your AIC Card!</string>
+    <string name="desc_add_card" translatable="false">add card</string>
+    <string name="desc_edit_card" translatable="false">edit card</string>
+    <string name="desc_close_popup" translatable="false">close</string>
+    <string name="desc_service" translatable="false">EmuCard</string>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/xml/host_nfcf_service.xml b/app/src/main/res/xml/host_nfcf_service.xml
index 733a031..480e320 100644
--- a/app/src/main/res/xml/host_nfcf_service.xml
+++ b/app/src/main/res/xml/host_nfcf_service.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <host-nfcf-service xmlns:android="http://schemas.android.com/apk/res/android"
-    android:description="@string/service_desc">
+    android:description="@string/desc_service">
     <nfcid2-filter android:name="02FE000000000000" />
     <system-code-filter android:name="4000" />
 </host-nfcf-service>
\ No newline at end of file