diff --git a/NMSLCore/src/main/kotlin/com/github/purofle/nmsl/config/Config.kt b/NMSLCore/src/main/kotlin/com/github/purofle/nmsl/config/Config.kt
index 2e31851..c436717 100644
--- a/NMSLCore/src/main/kotlin/com/github/purofle/nmsl/config/Config.kt
+++ b/NMSLCore/src/main/kotlin/com/github/purofle/nmsl/config/Config.kt
@@ -6,6 +6,7 @@ import com.github.purofle.nmsl.utils.os.OS
 import kotlin.io.path.createDirectories
 import kotlin.io.path.readText
 import kotlin.io.path.writeText
+import kotlin.reflect.KProperty
 
 object Config {
     private val configPath by lazy {
@@ -18,4 +19,12 @@ object Config {
     }
 
     fun readConfig(): NmslConfig = configPath.readText().toJsonObject()
+
+    operator fun getValue(nothing: Nothing?, property: KProperty<*>): NmslConfig {
+        return readConfig()
+    }
+
+    operator fun setValue(nothing: Nothing?, property: KProperty<*>, nmslConfig: NmslConfig) {
+        createConfig(nmslConfig)
+    }
 }
\ No newline at end of file
diff --git a/src/main/kotlin/com/github/purofle/nmsl/pages/SettingPage.kt b/src/main/kotlin/com/github/purofle/nmsl/pages/SettingPage.kt
index d92c469..57cd8f3 100644
--- a/src/main/kotlin/com/github/purofle/nmsl/pages/SettingPage.kt
+++ b/src/main/kotlin/com/github/purofle/nmsl/pages/SettingPage.kt
@@ -1,9 +1,93 @@
 package com.github.purofle.nmsl.pages
 
-import androidx.compose.runtime.Composable
+import androidx.compose.foundation.background
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.ArrowDropDown
+import androidx.compose.material3.*
+import androidx.compose.runtime.*
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.unit.DpOffset
+import androidx.compose.ui.unit.dp
+import com.github.purofle.nmsl.config.Config
+import com.github.purofle.nmsl.config.LauncherConfig
+import com.github.purofle.nmsl.download.DownloadProvider
 
 class SettingPage : Page {
     @Composable
     override fun render() {
+
+        var config by Config
+        var gameSource by remember { mutableStateOf("${config.launcherConfig.provider}源") }
+
+        Scaffold {
+            LazyColumn {
+                item {
+                    SettingSelectItem(
+                        title = "游戏资源下载源",
+                        items = DownloadProvider.providers.keys.map {
+                            SettingItem("${it}源") {
+                                gameSource = "${it}源"
+                                config = config.copy(launcherConfig = LauncherConfig(provider = it))
+                            }
+                        },
+                        defaultItem = gameSource
+                    )
+                }
+            }
+        }
+    }
+}
+
+data class SettingItem(
+    val title: String,
+    val onClick: () -> Unit
+)
+
+@Composable
+fun SettingSelectItem(
+    title: String,
+    items: List<SettingItem>,
+    defaultItem: String
+) {
+
+    var expanded by remember { mutableStateOf(false) }
+
+    Column(modifier = Modifier.padding(12.dp)) {
+        Text(title)
+        Spacer(modifier = Modifier.height(6.dp))
+        Row(
+            modifier = Modifier
+                .height(32.dp)
+                .background(MaterialTheme.colorScheme.secondaryContainer, RoundedCornerShape(2.dp))
+                .clickable { expanded = !expanded },
+            verticalAlignment = Alignment.CenterVertically
+        ) {
+            Text(defaultItem, modifier = Modifier.padding(start = 12.dp))
+            Icon(
+                imageVector = Icons.Default.ArrowDropDown,
+                contentDescription = null,
+                modifier = Modifier.padding(start = 48.dp, end = 12.dp)
+            )
+        }
+    }
+    DropdownMenu(
+        expanded = expanded,
+        onDismissRequest = { expanded = false },
+        offset = DpOffset(12.dp, 0.dp)
+    ) {
+        items.forEach {
+            DropdownMenuItem(
+                text = { Text(it.title) },
+                onClick = {
+                    expanded = false
+                    it.onClick()
+                }
+            )
+        }
     }
 }
\ No newline at end of file