diff --git a/android/src/main/java/cn/reactnative/modules/update/DownloadTask.java b/android/src/main/java/cn/reactnative/modules/update/DownloadTask.java
index 713dde7..2bc8188 100644
--- a/android/src/main/java/cn/reactnative/modules/update/DownloadTask.java
+++ b/android/src/main/java/cn/reactnative/modules/update/DownloadTask.java
@@ -15,7 +15,6 @@ import org.json.JSONException;
 import org.json.JSONObject;
 import org.json.JSONTokener;
 
-import java.io.BufferedInputStream;
 import java.io.ByteArrayOutputStream;
 import java.io.File;
 import java.io.FileInputStream;
@@ -32,9 +31,8 @@ import okio.BufferedSink;
 import okio.BufferedSource;
 import okio.Okio;
 import static cn.reactnative.modules.update.UpdateModule.sendEvent;
-/**
- * Created by tdzl2003 on 3/31/16.
- */
+
+
 class DownloadTask extends AsyncTask<DownloadTaskParams, long[], Void> {
     final int DOWNLOAD_CHUNK_SIZE = 4096;
 
diff --git a/android/src/main/java/cn/reactnative/modules/update/UpdateContext.java b/android/src/main/java/cn/reactnative/modules/update/UpdateContext.java
index fcf8191..c536c7d 100644
--- a/android/src/main/java/cn/reactnative/modules/update/UpdateContext.java
+++ b/android/src/main/java/cn/reactnative/modules/update/UpdateContext.java
@@ -17,9 +17,6 @@ import java.util.concurrent.Executors;
 
 import java.io.File;
 
-/**
- * Created by tdzl2003 on 3/31/16.
- */
 public class UpdateContext {
     private Context context;
     private File rootDir;
@@ -72,10 +69,6 @@ public class UpdateContext {
         return context.getString(R.string.pushy_build_time);
     }
 
-    public String getUuid() {
-        return sp.getString("uuid", null);
-    }
-
     public Map getBlockUpdate() {
         return new HashMap<String, Object>() {{
             put("until", sp.getInt("blockUntil", 0));
@@ -163,12 +156,16 @@ public class UpdateContext {
         editor.apply();
     }
 
-    public void setUuid(String uuid) {
+    public void setKv(String key, String value) {
         SharedPreferences.Editor editor = sp.edit();
-        editor.putString("uuid", uuid);
+        editor.putString(key, value);
         editor.apply();
     }
 
+    public String getKv(String key) {
+        return sp.getString(key, null);
+    }
+
     public void setBlockUpdate(int until, String reason) {
         SharedPreferences.Editor editor = sp.edit();
         editor.putInt("blockUntil", until);
@@ -191,7 +188,11 @@ public class UpdateContext {
     public void markSuccess() {
         SharedPreferences.Editor editor = sp.edit();
         editor.putBoolean("firstTimeOk", true);
-        editor.remove("lastVersion");
+        String lastVersion = sp.getString("lastVersion", null);
+        if (lastVersion != null) {
+            editor.remove("lastVersion");
+            editor.remove("hash_" + lastVersion);
+        }
         editor.apply();
 
         this.cleanUp();
diff --git a/android/src/main/java/cn/reactnative/modules/update/UpdateModule.java b/android/src/main/java/cn/reactnative/modules/update/UpdateModule.java
index 0a82d5c..5fbbbca 100644
--- a/android/src/main/java/cn/reactnative/modules/update/UpdateModule.java
+++ b/android/src/main/java/cn/reactnative/modules/update/UpdateModule.java
@@ -22,15 +22,11 @@ import com.facebook.react.modules.core.DeviceEventManagerModule;
 
 import java.io.File;
 import java.lang.reflect.Field;
-import java.lang.reflect.Method;
 import java.util.HashMap;
 import java.util.Map;
 
 import static android.support.v4.content.FileProvider.getUriForFile;
 
-/**
- * Created by tdzl2003 on 3/31/16.
- */
 public class UpdateModule extends ReactContextBaseJavaModule {
     UpdateContext updateContext;
     public static ReactApplicationContext mContext;
@@ -64,7 +60,7 @@ public class UpdateModule extends ReactContextBaseJavaModule {
             updateContext.clearRollbackMark();
         }
         constants.put("blockUpdate", updateContext.getBlockUpdate());
-        constants.put("uuid", updateContext.getUuid());
+        constants.put("uuid", updateContext.getKv("uuid"));
         return constants;
     }
 
@@ -264,11 +260,27 @@ public class UpdateModule extends ReactContextBaseJavaModule {
         UiThreadUtil.runOnUiThread(new Runnable() {
             @Override
             public void run() {
-                updateContext.setUuid(uuid);
+                updateContext.setKv("uuid", uuid);
             }
         });
     }
 
+    @ReactMethod
+    public void setLocalHashInfo(final String hash, final String info) {
+        UiThreadUtil.runOnUiThread(new Runnable() {
+            @Override
+            public void run() {
+                updateContext.setKv("hash_" + hash, info);
+            }
+        });
+    }
+
+    @ReactMethod
+    public void getLocalHashInfo(final String hash, final Promise promise) {
+        promise.resolve(updateContext.getKv("hash_" + hash));
+    }
+    
+
     /* 发送事件*/
     public static void sendEvent(String eventName, WritableMap params) {
         ((ReactContext) mContext).getJSModule(DeviceEventManagerModule.RCTDeviceEventEmitter.class).emit(eventName,
diff --git a/lib/index.d.ts b/lib/index.d.ts
index 08f7e1b..8414e69 100644
--- a/lib/index.d.ts
+++ b/lib/index.d.ts
@@ -72,6 +72,12 @@ export function setCustomEndpoints({
   backupQueryUrl?: string;
 }): void;
 
+export function getCurrentVersionInfo(): Promise<{
+  name?: string;
+  description?: string;
+  metaInfo?: string;
+}>;
+
 interface ProgressData {
   hash: string;
   received: number;
diff --git a/lib/index.js b/lib/index.js
index e02692c..1a87c32 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -21,11 +21,6 @@ if (!Pushy) {
   throw new Error('react-native-update模块无法加载，请对照安装文档检查配置。');
 }
 
-// TODO: save and export current version info
-// name
-// description
-// metaInfo
-
 export const downloadRootDir = Pushy.downloadRootDir;
 export const packageVersion = Pushy.packageVersion;
 export const currentVersion = Pushy.currentVersion;
@@ -41,6 +36,18 @@ if (Platform.OS === 'android' && !Pushy.isUsingBundleUrl) {
   );
 }
 
+function setLocalHashInfo(hash, info) {
+  Pushy.setLocalHashInfo(hash, JSON.stringify(info));
+}
+
+async function getLocalHashInfo(hash) {
+  return JSON.parse(await Pushy.getLocalHashInfo(hash));
+}
+
+export async function getCurrentVersionInfo() {
+  return currentVersion ? getLocalHashInfo(currentVersion) : {};
+}
+
 const eventEmitter = new NativeEventEmitter(Pushy);
 
 if (!uuid) {
@@ -219,6 +226,11 @@ export async function downloadUpdate(options, eventListeners) {
       hash: options.hash,
     });
   }
+  setLocalHashInfo(options.hash, {
+    name: options.name,
+    description: options.description,
+    metaInfo: options.metaInfo,
+  });
   progressHandler && progressHandler.remove();
   downloadedHash = options.hash;
   return options.hash;