diff --git a/README.md b/README.md
index 116a4db..a6d62dc 100644
--- a/README.md
+++ b/README.md
@@ -20,6 +20,13 @@ flutter版新浪微博SDK
 
 * [simple_pub_server](https://github.com/v7lin/simple_pub_server)
 
+## docs
+
+* [Android 应用接入](https://open.weibo.com/wiki/Sdk/android)
+* [iOS 应用接入](https://open.weibo.com/wiki/Sdk/ios)
+* [Android Github](https://github.com/sinaweibosdk/weibo_android_sdk)
+* [iOS Github](https://github.com/sinaweibosdk/weibo_ios_sdk)
+
 ## android
 
 ````
diff --git a/android/src/main/java/io/github/v7lin/fakeweibo/FakeWeiboPlugin.java b/android/src/main/java/io/github/v7lin/fakeweibo/FakeWeiboPlugin.java
index 4e4a22d..e98ebc3 100644
--- a/android/src/main/java/io/github/v7lin/fakeweibo/FakeWeiboPlugin.java
+++ b/android/src/main/java/io/github/v7lin/fakeweibo/FakeWeiboPlugin.java
@@ -1,6 +1,7 @@
 package io.github.v7lin.fakeweibo;
 
 import android.content.Intent;
+import android.net.Uri;
 import android.text.TextUtils;
 
 import com.sina.weibo.sdk.WbSdk;
@@ -72,6 +73,7 @@ public class FakeWeiboPlugin implements MethodCallHandler, PluginRegistry.Activi
     private static final String ARGUMENT_KEY_DESCRIPTION = "description";
     private static final String ARGUMENT_KEY_THUMBDATA = "thumbData";
     private static final String ARGUMENT_KEY_IMAGEDATA = "imageData";
+    private static final String ARGUMENT_KEY_IMAGEURI = "imageUri";
     private static final String ARGUMENT_KEY_WEBPAGEURL = "webpageUrl";
 
     private static final String ARGUMENT_KEY_RESULT_ERRORCODE = "errorCode";
@@ -182,8 +184,20 @@ public class FakeWeiboPlugin implements MethodCallHandler, PluginRegistry.Activi
             WeiboMultiMessage message = new WeiboMultiMessage();
 
             if (METHOD_SHAREIMAGE.equals(call.method)) {
+                if (call.hasArgument(ARGUMENT_KEY_TEXT)) {
+                    TextObject object = new TextObject();
+                    object.text = call.argument(ARGUMENT_KEY_TEXT);// 1024
+
+                    message.textObject = object;
+                }
+
                 ImageObject object = new ImageObject();
-                object.imageData = call.argument(ARGUMENT_KEY_IMAGEDATA);// 2 * 1024 * 1024
+                if (call.hasArgument(ARGUMENT_KEY_IMAGEDATA)) {
+                    object.imageData = call.argument(ARGUMENT_KEY_IMAGEDATA);// 2 * 1024 * 1024
+                } else if (call.hasArgument(ARGUMENT_KEY_IMAGEURI)) {
+                    String imageUri = call.argument(ARGUMENT_KEY_IMAGEURI);
+                    object.imagePath = Uri.parse(imageUri).getPath();// 512 - 10 * 1024 * 1024
+                }
 
                 message.mediaObject = object;
             } else if (METHOD_SHAREWEBPAGE.equals(call.method)) {
diff --git a/example/lib/main.dart b/example/lib/main.dart
index 7e2bda7..357d622 100644
--- a/example/lib/main.dart
+++ b/example/lib/main.dart
@@ -143,6 +143,7 @@ class _HomeState extends State<Home> {
                   await image.obtainKey(createLocalImageConfiguration(context));
               ByteData imageData = await key.bundle.load(key.name);
               await _weibo.shareImage(
+                text: 'Share Text',
                 imageData: imageData.buffer.asUint8List(),
               );
             },
diff --git a/ios/Classes/FakeWeiboPlugin.m b/ios/Classes/FakeWeiboPlugin.m
index bb34b43..550e7e5 100644
--- a/ios/Classes/FakeWeiboPlugin.m
+++ b/ios/Classes/FakeWeiboPlugin.m
@@ -36,6 +36,7 @@ static NSString * const ARGUMENT_KEY_TITLE = @"title";
 static NSString * const ARGUMENT_KEY_DESCRIPTION = @"description";
 static NSString * const ARGUMENT_KEY_THUMBDATA = @"thumbData";
 static NSString * const ARGUMENT_KEY_IMAGEDATA = @"imageData";
+static NSString * const ARGUMENT_KEY_IMAGEURI = @"imageUri";
 static NSString * const ARGUMENT_KEY_WEBPAGEURL = @"webpageUrl";
 
 static NSString * const ARGUMENT_KEY_RESULT_ERRORCODE = @"errorCode";
@@ -95,9 +96,16 @@ static NSString * const ARGUMENT_KEY_RESULT_EXPIRESIN = @"expiresIn";
     WBSendMessageToWeiboRequest * request = [WBSendMessageToWeiboRequest request];
     WBMessageObject * message = [WBMessageObject message];
     if ([METHOD_SHAREIMAGE isEqualToString:call.method]) {
+        message.text = call.arguments[ARGUMENT_KEY_TEXT];
         WBImageObject * object = [WBImageObject object];
         FlutterStandardTypedData * imageData = call.arguments[ARGUMENT_KEY_IMAGEDATA];
-        object.imageData = imageData.data;
+        if (imageData != nil) {
+            object.imageData = imageData.data;
+        } else {
+            NSString * imageUri = call.arguments[ARGUMENT_KEY_IMAGEURI];
+            NSURL * imageUrl = [NSURL URLWithString:imageUri];
+            object.imageData = [NSData dataWithContentsOfFile:imageUrl.path];
+        }
         message.imageObject = object;
     } else if ([METHOD_SHAREWEBPAGE isEqualToString:call.method]) {
         WBWebpageObject * object = [WBWebpageObject object];
diff --git a/lib/src/weibo.dart b/lib/src/weibo.dart
index c33ae02..6315723 100644
--- a/lib/src/weibo.dart
+++ b/lib/src/weibo.dart
@@ -28,19 +28,22 @@ class Weibo {
   static const String _ARGUMENT_KEY_DESCRIPTION = 'description';
   static const String _ARGUMENT_KEY_THUMBDATA = 'thumbData';
   static const String _ARGUMENT_KEY_IMAGEDATA = 'imageData';
+  static const String _ARGUMENT_KEY_IMAGEURI = 'imageUri';
   static const String _ARGUMENT_KEY_WEBPAGEURL = 'webpageUrl';
 
+  static const String _SCHEME_FILE = 'file';
+
   static const String _DEFAULT_REDIRECTURL =
       'https://api.weibo.com/oauth2/default.html';
 
   final MethodChannel _channel =
-      const MethodChannel('v7lin.github.io/fake_weibo');
+  const MethodChannel('v7lin.github.io/fake_weibo');
 
   final StreamController<WeiboAuthResp> _authRespStreamController =
-      StreamController<WeiboAuthResp>.broadcast();
+  StreamController<WeiboAuthResp>.broadcast();
 
   final StreamController<WeiboSdkResp> _shareMsgRespStreamController =
-      StreamController<WeiboSdkResp>.broadcast();
+  StreamController<WeiboSdkResp>.broadcast();
 
   Future<void> registerApp({
     @required String appKey,
@@ -119,7 +122,7 @@ class Weibo {
     };
     return HttpClient()
         .getUrl(_encodeUrl('https://api.weibo.com/2/users/show.json', appkey,
-            accessToken, params))
+        accessToken, params))
         .then((HttpClientRequest request) {
       return request.close();
     }).then((HttpClientResponse response) async {
@@ -129,21 +132,20 @@ class Weibo {
             .fromMap(json.decode(content) as Map<dynamic, dynamic>);
       }
       throw HttpException(
-          'HttpResponse statusCode: ${response.statusCode}, reasonPhrase: ${response.reasonPhrase}.');
+          'HttpResponse statusCode: ${response
+              .statusCode}, reasonPhrase: ${response.reasonPhrase}.');
     });
   }
 
-  Uri _encodeUrl(
-    String baseUrl,
-    String appkey,
-    String accessToken,
-    Map<String, String> params,
-  ) {
+  Uri _encodeUrl(String baseUrl,
+      String appkey,
+      String accessToken,
+      Map<String, String> params,) {
     params.putIfAbsent('source', () => appkey);
     params.putIfAbsent('access_token', () => accessToken);
     Uri baseUri = Uri.parse(baseUrl);
     Map<String, List<String>> queryParametersAll =
-        Map<String, List<String>>.of(baseUri.queryParametersAll);
+    Map<String, List<String>>.of(baseUri.queryParametersAll);
     params.forEach((String key, String value) {
       queryParametersAll.remove(key);
       queryParametersAll.putIfAbsent(key, () => <String>[value]);
@@ -155,7 +157,7 @@ class Weibo {
   Future<void> shareText({
     @required String text,
   }) {
-    assert(text != null && text.isNotEmpty && text.length <= 1024);
+    assert(text != null && text.length <= 1024);
     return _channel.invokeMethod(
       _METHOD_SHARETEXT,
       <String, dynamic>{
@@ -166,15 +168,27 @@ class Weibo {
 
   /// 分享 - 图片
   Future<void> shareImage({
-    @required Uint8List imageData,
+    String text,
+    Uint8List imageData,
+    Uri imageUri,
   }) {
-    assert(imageData != null && imageData.lengthInBytes <= 2 * 1024 * 1024);
-    return _channel.invokeMethod(
-      _METHOD_SHAREIMAGE,
-      <String, dynamic>{
-        _ARGUMENT_KEY_IMAGEDATA: imageData,
-      },
-    );
+    assert(text == null || text.length <= 1024);
+    assert((imageData != null && imageData.lengthInBytes <= 2 * 1024 * 1024) ||
+        (imageUri != null &&
+            imageUri.isScheme(_SCHEME_FILE) &&
+            imageUri.toFilePath().length <= 512 &&
+            File.fromUri(imageUri).lengthSync() <= 10 * 1024 * 1024));
+    Map<String, dynamic> map = <String, dynamic>{};
+    if (text != null && text.isNotEmpty) {
+      map.putIfAbsent(_ARGUMENT_KEY_TEXT, () => text);
+    }
+    if (imageData != null) {
+      map.putIfAbsent(_ARGUMENT_KEY_IMAGEDATA, () => imageData);
+    }
+    if (imageUri != null) {
+      map.putIfAbsent(_ARGUMENT_KEY_IMAGEURI, () => imageUri.toString());
+    }
+    return _channel.invokeMethod(_METHOD_SHAREIMAGE, map);
   }
 
   /// 分享 - 网页