diff --git a/android/app/proguard-rules.pro b/android/app/proguard-rules.pro
index a92fa17..6c0797b 100644
--- a/android/app/proguard-rules.pro
+++ b/android/app/proguard-rules.pro
@@ -15,3 +15,4 @@
 #-keepclassmembers class fqcn.of.javascript.interface.for.webview {
 #   public *;
 #}
+def enableProguardInReleaseBuilds = true
diff --git a/project/config.js b/project/config.js
index 3a06143..25e188b 100644
--- a/project/config.js
+++ b/project/config.js
@@ -48,6 +48,7 @@ requestCameraPermission();
 
 const Config = {
   "download_path":  RNFS.ExternalDirectoryPath,
+    "conf_file_path": `${RNFS.ExternalDirectoryPath}/.GetAnything.Conf`,
   "host": "http://23ss464660.iok.la",
     "default_host":"http://23ss464660.iok.la",
     "server_download_path": "/GetVideoUrl",
@@ -58,11 +59,12 @@ const Config = {
 };
 
 function reloadConf(){
-     RNFS.readFile(`${RNFS.ExternalDirectoryPath}/GetAnything.Conf`).then((data) =>{
+     RNFS.readFile(Config.conf_file_path).then((data) =>{
         Config.host = data
     }).catch((err) => {
         // 创建文件
-        RNFS.writeFile(`${RNFS.ExternalDirectoryPath}/GetAnything.Conf`, Config.host)
+         console.error(err);
+        RNFS.writeFile(Config.conf_file_path, Config.host)
     });
 }
 reloadConf();
diff --git a/project/pages/setting.js b/project/pages/setting.js
index 6b412cd..bcdea51 100644
--- a/project/pages/setting.js
+++ b/project/pages/setting.js
@@ -39,7 +39,7 @@ export default class SettingScreen extends React.Component {
     super(props);
     this.state = {
       Value:"",
-        reload:"",
+        reload: false,
     };
   }
 
@@ -56,7 +56,7 @@ export default class SettingScreen extends React.Component {
         }
         console.warn(this.state.Value);
         if (this.state.Value.match("http") == null || this.state.Value.substring(0, 4) != "http"){
-            Alert.alert("修改配置出错", "输入Host非法，应该以http或https开头，示例:http://23ss464660.iok.la")
+            Alert.alert("修改配置出错", "输入Host非法，应该以http或https开头，示例:http://23ss464660.iok.la");
             return
         }
         // 连接服务器测试是否可用
@@ -65,9 +65,13 @@ export default class SettingScreen extends React.Component {
         }).then(response => response.text()).then(data => {
             console.warn(data);
             if (data == "ok"){
-                RNFS.writeFile(`${RNFS.ExternalDirectoryPath}/GetAnything.Conf`, Config.host);
-                Config.host = this.state.Value;
-                this.refs.toast.show(`已修改服务器Host:${Config.host}`, 3000);
+                RNFS.writeFile(Config.conf_file_path, this.state.Value)
+                    .then(_ => {
+                        Alert.alert("修改配置成功", `已修改服务器HOST: ${Config.host}`);
+                        this.setState({reload: !this.state.reload});
+                        Config.host = this.state.Value;
+                    });
+
             }else{
                 Alert.alert("修改配置失败", `${this.state.Value}服务器未能响应，请检查服务是否启动。`)
             }