diff --git a/app/src/main/java/run/evan/gost/MainActivity.java b/app/src/main/java/run/evan/gost/MainActivity.java
index f7df22b..dfaf5c0 100644
--- a/app/src/main/java/run/evan/gost/MainActivity.java
+++ b/app/src/main/java/run/evan/gost/MainActivity.java
@@ -44,6 +44,8 @@ public class MainActivity extends AppCompatActivity {
 
     ArrayAdapter<String> starAdapter;
 
+    Spinner sp;
+
     MyHandler handler = new MyHandler(this);
 
     private static final String TAG = "run.evan.gost";
@@ -96,7 +98,7 @@ public class MainActivity extends AppCompatActivity {
         appPreferences = getSharedPreferences("app", MODE_PRIVATE);
 
 
-        Spinner sp = findViewById(R.id.spinner);
+        sp = findViewById(R.id.spinner);
         starAdapter = new ArrayAdapter<String>(this, R.layout.item_select);
         starAdapter.setDropDownViewResource(R.layout.item_dropdown);
         sp.setAdapter(starAdapter);
@@ -202,6 +204,12 @@ public class MainActivity extends AppCompatActivity {
                 String basedir = getApplication().getApplicationInfo().nativeLibraryDir;
                 String config = configEditText.getText().toString();
 
+                if (null != sp.getSelectedItem()) {
+                    String key = sp.getSelectedItem().toString();
+                    appPreferences.edit().putString("lastConfig", key).apply();
+                }
+
+
                 if (process == null) {
                     if ("".contains(config)) {
                         Toast.makeText(getApplicationContext(), R.string.toast_tip_config_empty, Toast.LENGTH_LONG).show();
@@ -285,8 +293,19 @@ public class MainActivity extends AppCompatActivity {
     private void reloadConfig() {
         starAdapter.clear();
         Map<String, ?> all = configPreferences.getAll();
+        String lastConfig = appPreferences.getString("lastConfig", "");
+        int count = 0;
+        boolean lastValid = false;
         for (String s : all.keySet()) {
             starAdapter.add(s);
+            if (s.equals(lastConfig)) {
+                sp.setSelection(count);
+                lastValid = true;
+            }
+            count++;
+        }
+        if (!lastValid) {
+            appPreferences.edit().putString("lastConfig", "").apply();
         }
     }
 
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index 35bf19f..986c0a3 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -20,6 +20,7 @@
             android:id="@+id/textTipConfig"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
+            android:textSize="18sp"
             android:text="@string/text_tip_config" />
 
         <Spinner
diff --git a/app/src/main/res/layout/item_dropdown.xml b/app/src/main/res/layout/item_dropdown.xml
index e9617a9..5e893a3 100644
--- a/app/src/main/res/layout/item_dropdown.xml
+++ b/app/src/main/res/layout/item_dropdown.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <TextView xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
-    android:layout_height="45dp"
+    android:layout_height="40dp"
     android:textColor="@android:color/black"
-    android:textSize="14sp"
+    android:textSize="18sp"
     android:gravity="center"/>
\ No newline at end of file
diff --git a/app/src/main/res/layout/item_select.xml b/app/src/main/res/layout/item_select.xml
index 9b1ba37..9254b4b 100644
--- a/app/src/main/res/layout/item_select.xml
+++ b/app/src/main/res/layout/item_select.xml
@@ -1,4 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <TextView xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
-    android:layout_height="match_parent" />
\ No newline at end of file
+    android:layout_height="match_parent"
+    android:textSize="18sp"
+    />
\ No newline at end of file